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Jonathan Tennyson Molecular Line Lists for Exoplanets and Other ...

Jonathan Tennyson Molecular Line Lists for Exoplanets and Other ...

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Potential energy<br />

Ab initio: solve <strong>for</strong> motion of electrons<br />

9D surface<br />

130 000<br />

geometries<br />

MOLPRO<br />

CCSD(T)-f12/QZ<br />

Solve <strong>for</strong> the motion<br />

of the nuclei<br />

TROVE<br />

Yurchenko, Thiel, Jensen<br />

Sergei Yurchenko<br />

Ab initio<br />

10 electrons<br />

Ground<br />

electronic state<br />

Intensity (cm/molecule)<br />

1x10 -20<br />

1x10 -22<br />

1x10 -24<br />

1x10 -26<br />

1x10 -28<br />

1x10 -30<br />

1x10 -30<br />

1x10 -28<br />

1x10 -26<br />

1x10 -24<br />

1x10 -22<br />

1x10 -20<br />

HITRAN<br />

ExoMol<br />

Dipole moment<br />

Three 9D surfaces<br />

130 000<br />

geometries<br />

MOLPRO<br />

CCSD(T)-f12/QZ<br />

<strong>Line</strong> list:<br />

1 2 3 4 5 6 7 8 9 10<br />

wavelength, µm<br />

Billions of transitions<br />

CH 4

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