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Table 1.

Spectroscopic parameters of the strongest PH3 transitions between 949 and 959 cm−1, extracted from the GEISA-2015 database.

Molecule. Wavenumber Band identification Line identification Intensity Energy Broad. coef.
cm−1 cm molec−1 cm−1 cm−1 atm−1
PH3 954.44508 0100 0000 3 0 0A+ 4 0 0A+ 1.343 × 10−20 88.9959 0.1014
PH3 954.64090 0100 0000 3 1 0E 4 1 0E 1.262 × 10−20 88.4658 0.1026
PH3 955.23186 0100 0000 3 2 0E 4 2 0E 1.02 × 10−20 86.8739 0.1076
PH3 956.2288 0100 0000 3 3 0A− 4 3 0A− 6.09 × 10−21 84.2149 0.1078
PH3 956.2288 0100 0000 3 3 0A− 4 3 0A+ 6.09 × 10−21 84.2149 0.1078
CO2 955.306951 000 11 100 01 P11E 6.663 × 10−27 1426.0242 0.1076

Notes. The CO2 transition used in the calculations is also added. The line intensities correspond to a temperature of 296 K. The broadening coefficients (HWHM) refer to the broadening by CO2.

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