
.. _label_examples_hitran_spectra:

==============
HITRAN spectra
==============

The absorption coefficient of all HITRAN species (see :py:data:`~radis.db.MOLECULES_LIST_EQUILIBRIUM`)
is calculated in `plot_all_hitran_spectra.py <https://github.com/radis/radis-examples/blob/master/hitran_spectra/plot_all_hitran_spectra.py>`__
at 300 K, 1 atm for the first isotope:

- 1 	``'H2O'`` : 	Water 	(`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/0%20-%20H2O%20infrared%20spectrum.png>`__)
- 2 	``'CO2'`` : 	Carbon Dioxide    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/1%20-%20CO2%20infrared%20spectrum.png>`__)
- 3 	``'O3'`` : 	Ozone  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/2%20-%20O3%20infrared%20spectrum.png>`__)
- 4 	``'N2O'`` : 	Nitrogen oxide 	  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/3%20-%20N2O%20infrared%20spectrum.png>`__)
- 5 	``'CO'`` : 	Carbon Monoxide    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/4%20-%20CO%20infrared%20spectrum.png>`__)
- 6 	``'CH4'`` : 	Methane   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/5%20-%20CH4%20infrared%20spectrum.png>`__)
- 7 	``'O2'`` : 	Oxygen
- 8 	``'NO'`` : 	Nitric Oxide   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/7%20-%20NO%20infrared%20spectrum.png>`__)
- 9 	``'SO2'`` : 	Sulfur Dioxide    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/8%20-%20SO2%20infrared%20spectrum.png>`__)
- 10 	``'NO2'`` : 	Nitrogen Dioxide     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/9%20-%20NO2%20infrared%20spectrum.png>`__)
- 11 	``'NH3'`` : 	Ammonia  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/10%20-%20NH3%20infrared%20spectrum.png>`__)
- 12 	``'HNO3'`` : 	Nitric Acid     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/11%20-%20HNO3%20infrared%20spectrum.png>`__)
- 13 	``'OH'`` : 	Hydroxyl  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/12%20-%20OH%20infrared%20spectrum.png>`__)
- 14 	``'HF'`` : 	Hydrogen Fluoride     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/13%20-%20HF%20infrared%20spectrum.png>`__)
- 15 	``'HCl'`` : 	Hydrogen Chloride    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/14%20-%20HCl%20infrared%20spectrum.png>`__)
- 16 	``'HBr'`` : 	Hydrogen Bromide     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/15%20-%20HBr%20infrared%20spectrum.png>`__)
- 17 	``'HI'`` : 	Hydrogen Iodide   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/16%20-%20HI%20infrared%20spectrum.png>`__)
- 18 	``'ClO'`` : 	Chlorine Monoxide    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/17%20-%20ClO%20infrared%20spectrum.png>`__)
- 19 	``'OCS'`` : 	Carbonyl Sulfide     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/18%20-%20OCS%20infrared%20spectrum.png>`__)
- 20 	``'H2CO'`` : 	Formaldehyde    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/19%20-%20H2CO%20infrared%20spectrum.png>`__)
- 21 	``'HOCl'`` : 	Hypochlorous Acid   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/20%20-%20HOCl%20infrared%20spectrum.png>`__)
- 22 	``'N2'`` : 	Nitrogen
- 23 	``'HCN'`` : 	Hydrogen Cyanide
- 24 	``'CH3Cl'`` : 	Methyl Chloride    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/23%20-%20CH3Cl%20infrared%20spectrum.png>`__)
- 25 	``'H2O2'`` : 	Hydrogen Peroxide   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/24%20-%20H2O2%20infrared%20spectrum.png>`__)
- 26 	``'C2H2'`` : 	Acetylene   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/25%20-%20C2H2%20infrared%20spectrum.png>`__)
- 27 	``'C2H6'`` : 	Ethane  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/26%20-%20C2H6%20infrared%20spectrum.png>`__)
- 28 	``'PH3'`` : 	Phosphine    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/27%20-%20PH3%20infrared%20spectrum.png>`__)
- 29 	``'COF2'`` : 	Carbonyl Fluoride   (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/28%20-%20COF2%20infrared%20spectrum.png>`__)
- 30 	``'SF6'`` : 	Sulfur Hexafluoride
- 31 	``'H2S'`` : 	Hydrogen Sulfide     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/30%20-%20H2S%20infrared%20spectrum.png>`__)
- 32 	``'HCOOH'`` : 	Formic Acid    (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/31%20-%20HCOOH%20infrared%20spectrum.png>`__)
- 33 	``'HO2'`` : 	Hydroperoxyl     (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/32%20-%20HO2%20infrared%20spectrum.png>`__)
- 34 	``'O'`` : 	Oxygen Atom
- 35 	``'ClONO2'`` : 	Chlorine Nitrate
- 36 	``'NO+'`` : 	Nitric Oxide Cation  (`spectrum <https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/35%20-%20NO%2B%20infrared%20spectrum.png>`__)
- 37 	``'HOBr'`` : 	Hypobromous Acid
- 38 	``'C2H4'`` : 	Ethylene
- 39 	``'CH3OH'`` : 	Methanol
- 40 	``'CH3Br'`` : 	Methyl Bromide
- 41 	``'CH3CN'`` : 	Acetonitrile
- 42 	``'CF4'`` : 	CFC-14
- 43 	``'C4H2'`` : 	Diacetylene
- 44 	``'HC3N'`` : 	Cyanoacetylene
- 45 	``'H2'`` : 	Hydrogen
- 46 	``'CS'`` : 	Carbon Monosulfide
- 47 	``'SO3'`` : 	Sulfur trioxide
- 48 	``'C2N2'`` : 	Cyanogen
- 49 	``'COCl2'`` : 	Phosgene

The code to calculate each molecule is shown below:

1. H2O
======

- 1 	``'H2O'`` : 	Water absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='H2O',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')

.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/0%20-%20H2O%20infrared%20spectrum.png
   :width: 600
   :alt: Water H2O infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/0%20-%20H2O%20infrared%20spectrum.png

2. CO2
======

- 2 	``'CO2'`` : 	Carbon Dioxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='CO2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/1%20-%20CO2%20infrared%20spectrum.png
   :width: 600
   :alt: Carbon Dioxide CO2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/1%20-%20CO2%20infrared%20spectrum.png

3. O3
=====-

- 3 	``'O3'`` : 	Ozone absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='O3',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/2%20-%20O3%20infrared%20spectrum.png
   :width: 600
   :alt: Ozone O3 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/2%20-%20O3%20infrared%20spectrum.png


4. N2O
======

- 4 	``'N2O'`` : 	Nitrogen oxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='N2O',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/3%20-%20N2O%20infrared%20spectrum.png
   :width: 600
   :alt: Nitrogen oxide N2O infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/3%20-%20N2O%20infrared%20spectrum.png



5. CO
=====

- 5 	``'CO'`` : 	Carbon Monoxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='CO',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/4%20-%20CO%20infrared%20spectrum.png
   :width: 600
   :alt: Carbon Monoxide CO infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/4%20-%20CO%20infrared%20spectrum.png


6. CH4
======

- 6 	``'CH4'`` : 	Methane absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='CH4',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/5%20-%20CH4%20infrared%20spectrum.png
   :width: 600
   :alt: Methane CH4 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/5%20-%20CH4%20infrared%20spectrum.png


7. O2
=====-

- 7 	``'O2'`` : 	Oxygen absorption coefficient (opacity) at 300 K : no lines for ``isotope='1'`` (symmetric!)

8. NO
======


- 8 	``'NO'`` : 	Nitric Oxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='NO',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/7%20-%20NO%20infrared%20spectrum.png
   :width: 600
   :alt: Nitric Oxide NO infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/7%20-%20NO%20infrared%20spectrum.png

9. SO2
======


- 9 	``'SO2'`` : 	Sulfur Dioxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='SO2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/8%20-%20SO2%20infrared%20spectrum.png
   :width: 600
   :alt: Sulfur Dioxide SO2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/8%20-%20SO2%20infrared%20spectrum.png


10. NO2
=======


- 10 	``'NO2'`` : 	Nitrogen Dioxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='NO2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/9%20-%20NO2%20infrared%20spectrum.png
   :width: 600
   :alt: Nitrogen Dioxide NO2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/9%20-%20NO2%20infrared%20spectrum.png


11. NH3
=======

- 11 	``'NH3'`` : 	Ammonia absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='NH3',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/10%20-%20NH3%20infrared%20spectrum.png
   :width: 600
   :alt: Ammonia NH3 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/10%20-%20NH3%20infrared%20spectrum.png

12. HNO3
========

- 12 	``'HNO3'`` : 	Nitric Acid absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HNO3',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/11%20-%20HNO3%20infrared%20spectrum.png
   :width: 600
   :alt: Nitric Acid HNO3 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/11%20-%20HNO3%20infrared%20spectrum.png


13. OH
======

- 13 	``'OH'`` : 	Hydroxyl absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='OH',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/12%20-%20OH%20infrared%20spectrum.png
   :width: 600
   :alt: Hydroxyl OH infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/12%20-%20OH%20infrared%20spectrum.png


14. HF
======

- 14 	``'HF'`` : 	Hydrogen Fluoride absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HF',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/13%20-%20HF%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Fluoride HF infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/13%20-%20HF%20infrared%20spectrum.png


15. HCl
=======

- 15 	``'HCl'`` : 	Hydrogen Chloride absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HCl',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/14%20-%20HCl%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Chloride HCl infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/14%20-%20HCl%20infrared%20spectrum.png


16. HBr
=======

- 16 	``'HBr'`` : 	Hydrogen Bromide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HBr',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/15%20-%20HBr%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Bromide HBr infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/15%20-%20HBr%20infrared%20spectrum.png

17. HI
======

- 17 	``'HI'`` : 	Hydrogen Iodide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HI',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/16%20-%20HI%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Iodide HI infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/16%20-%20HI%20infrared%20spectrum.png


18. ClO
=======

- 18 	``'ClO'`` : 	Chlorine Monoxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='ClO',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/17%20-%20ClO%20infrared%20spectrum.png
   :width: 600
   :alt: Chlorine Monoxide ClO infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/17%20-%20ClO%20infrared%20spectrum.png


19. OCS
=======

- 19 	``'OCS'`` : 	Carbonyl Sulfide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='OCS',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/18%20-%20OCS%20infrared%20spectrum.png
   :width: 600
   :alt: Carbonyl Sulfide OCS infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/18%20-%20OCS%20infrared%20spectrum.png

20. H2CO
========

- 20 	``'H2CO'`` : 	Formaldehyde absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='H2CO',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/19%20-%20H2CO%20infrared%20spectrum.png
   :width: 600
   :alt: Formaldehyde H2CO infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/19%20-%20H2CO%20infrared%20spectrum.png


21. HOCl
========

- 21 	``'HOCl'`` : 	Hypochlorous Acid absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HOCl',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/20%20-%20HOCl%20infrared%20spectrum.png
   :width: 600
   :alt: Hypochlorous Acid HOCl infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/20%20-%20HOCl%20infrared%20spectrum.png


22. N2
======

- 22 	``'N2'`` : 	Nitrogen absorption coefficient (opacity) at 300 K : no lines for ``isotope='1'`` (symmetric!)


23. HCN
=======

- 23 	``'HCN'`` : 	Hydrogen Cyanide absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.

24. CH4Cl
=========

- 24 	``'CH3Cl'`` : 	Methyl Chloride absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='CH3Cl',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/23%20-%20CH3Cl%20infrared%20spectrum.png
   :width: 600
   :alt: Methyl Chloride CH3Cl infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/23%20-%20CH3Cl%20infrared%20spectrum.png

25. H2O2
========

- 25 	``'H2O2'`` : 	Hydrogen Peroxide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='H2O2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/24%20-%20H2O2%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Peroxide H2O2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/24%20-%20H2O2%20infrared%20spectrum.png

26. C2H2
========

- 26 	``'C2H2'`` : 	Acetylene absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='C2H2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/25%20-%20C2H2%20infrared%20spectrum.png
   :width: 600
   :alt: Acetylene C2H2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/25%20-%20C2H2%20infrared%20spectrum.png


27. C2H6
========

- 27 	``'C2H6'`` : 	Ethane absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='C2H6',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/26%20-%20C2H6%20infrared%20spectrum.png
   :width: 600
   :alt: Ethane C2H6 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/26%20-%20C2H6%20infrared%20spectrum.png


28. PH3
=======

- 28 	``'PH3'`` : 	Phosphine absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='PH3',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/27%20-%20PH3%20infrared%20spectrum.png
   :width: 600
   :alt: Phosphine PH3 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/27%20-%20PH3%20infrared%20spectrum.png

29. COF2
========

- 29 	``'COF2'`` : 	Carbonyl Fluoride absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='COF2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/28%20-%20COF2%20infrared%20spectrum.png
   :width: 600
   :alt: Carbonyl Fluoride COF2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/28%20-%20COF2%20infrared%20spectrum.png


30. SF6
=======

- 30 	``'SF6'`` : 	Sulfur Hexafluoride absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.

31. H2S
=======

- 31 	``'H2S'`` : 	Hydrogen Sulfide absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='H2S',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/30%20-%20H2S%20infrared%20spectrum.png
   :width: 600
   :alt: Hydrogen Sulfide H2S infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/30%20-%20H2S%20infrared%20spectrum.png

32. HCOOH
=========

- 32 	``'HCOOH'`` : 	Formic Acid absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HCOOH',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/31%20-%20HCOOH%20infrared%20spectrum.png
   :width: 600
   :alt: Formic Acid HCOOH infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/31%20-%20HCOOH%20infrared%20spectrum.png


33. HO2
=======

- 33 	``'HO2'`` : 	Hydroperoxyl absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='HO2',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/32%20-%20HO2%20infrared%20spectrum.png
   :width: 600
   :alt: Hydroperoxyl HO2 infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/32%20-%20HO2%20infrared%20spectrum.png


34. O
=====-

- 34 	``'O'`` : 	Oxygen Atom absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.

35. ClONO2
===========

- 35 	``'ClONO2'`` : 	Chlorine Nitrate absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
36. NO+
=======

- 36 	``'NO+'`` : 	Nitric Oxide Cation absorption coefficient (opacity) at 300 K ::

    s = calc_spectrum(wavelength_min=1000,
                      wavelength_max=20000,
                      Tgas=300,
                      pressure=1,
                      molecule='NO+',
                      optimization=None,
                      cutoff=1e-23,
                      isotope='1')
    s.plot('abscoeff', wunit='nm')


.. image:: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/35%20-%20NO%2B%20infrared%20spectrum.png
   :width: 600
   :alt: Nitric Oxide Cation NO+ infrared absorption coefficient
   :target: https://raw.githubusercontent.com/radis/radis-examples/master/hitran_spectra/out/35%20-%20NO%2B%20infrared%20spectrum.png


37. HOBr
========

- 37 	``'HOBr'`` : 	Hypobromous Acid absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
38. C2H4
========

- 38 	``'C2H4'`` : 	Ethylene absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
39. CH3OH
=========

- 39 	``'CH3OH'`` : 	Methanol absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
40. CH3Br
=========

- 40 	``'CH3Br'`` : 	Methyl Bromide absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
41. CH3CN
=========

- 41 	``'CH3CN'`` : 	Acetonitrile absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
42. CF4
=======

- 42 	``'CF4'`` : 	CFC-14 absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
43. C4H2
========

- 43 	``'C4H2'`` : 	Diacetylene absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
44. HC3N
========

- 44 	``'HC3N'`` : 	Cyanoacetylene absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
45. H2
======

- 45 	``'H2'`` : 	Hydrogen absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
46. CS
======

- 46 	``'CS'`` : 	Carbon Monosulfide absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
47. SO3
=======

- 47 	``'SO3'`` : 	Sulfur trioxide absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
48. C2N2
========

- 48 	``'C2N2'`` : 	Cyanogen absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
49. COCl2
=========

- 49 	``'COCl2'`` : 	Phosgene absorption coefficient (opacity) at 300 K : not calculated.
    `💪 Contribute on GitHub <https://github.com/radis/radis/tree/develop/docs/examples>`__.
