On the Pressure and Temperature Dependence of the Absorption Coefficient of NH₃

Table 4

Values of the normalized absorption coefficients 𝐴₀ and 𝐵₀ for NH₃ broadened by N₂ at 𝑇=296 K.

Transition	𝜎 (cm^−1)	NH3–NH3		NH3–N2
		𝐴0 (cm^−1 atm^−2) (𝜎left)	𝐴0 (cm^−1 atm^−2) (𝜎right)	𝐵0 (cm^−1 atm^−2) (𝜎left)	𝐵0 (cm^−1 atm^−2) (𝜎right)
^𝑃𝑃(2,1)𝑎	1591.1050	1.467 (0.098)	1.493 (0.063)	2.731 (0.437)	2.448 (0.245)
^𝑃𝑃(2,2)𝑎	1595.0801	6.759 (0.348)	1.045 (0.069)	3.228 (0.233)	2.799 (0.303)
^𝑃𝑃(3,1)𝑎	1572.4882	3.282 (0.139)	3.435(0.065)	2.807 (0.100)	2.956 (0.542)
^𝑃𝑃(3,3)𝑎	1579.6363	16.39 (0.431)	2.216 (0.047)	3.859 (0.274)	4.176 (0.183)
^𝑃𝑃(4,1)𝑎	1554.7340	2.065 (0.047)	2.009 (0.050)	3.490 (0.329)	3.006 (0.207)
^𝑃𝑃(4,2)𝑎	1558.2494	1.344 (0.046)	1.370 (0.011)	2.815 (0.269)	2.923 (0.218)
^𝑃𝑃(4,3)𝑎	1561.3835	4.217 (0.086)	4.1741 (0.150)	9.782 (0.707)	9.632 (0.462)
^𝑃𝑃(4,4)𝑎	1564.0825	10.40 (0.186)	0.566 (0.042)	2.338 (0.203)	5.111 (0.511)
^𝑃𝑃(5,1)𝑎	1538.0102	0.860 (0.083)	0.838 (0.058)	3.693 (0.372)	3.343 (0.171)
^𝑃𝑃(5,2)𝑎	1541.0041	2.520 (0.075)	2.272 (0.021)	2.883 (0.540)	2.893 (0.534)
^𝑃𝑃(5,3)𝑎	1543.8550	2.468 (0.07)	2.990 (0.029)	5.638 (0.248)	5.391 (0.583)
^𝑃𝑃(5,4)𝑎	1546.3315	5.805 (0.194)	4.610 (0.270)	4.829 (0.028)	4.013 (0.539)
^𝑃𝑃(5,5)𝑎	1548.4290	13.527 (0.381)	2.471 (0.142)	2.920 (0.220)	3.510 (0.208)
^𝑃𝑃(6,1)𝑎	1522.3847	1.370 (0.033)	1.518 (0.024)	2.020 (0.384)	1.021 (0.134)
^𝑃𝑃(6,2)𝑎	1522.7763	—	—	2.006 (0.399)	1.894 (0.064)
^𝑃𝑃(6,3)𝑎	1527.0615	2.822 (0.093)	2.583 (0.053)	4.232 (0.364)	4.313 (0.372)
^𝑃𝑃(6,4)𝑎	1529.2897	1.524 (0.015)	1.553 (0.058)	2.424 (0.146)	2.172 (0.221)
^𝑃𝑃(6,5)𝑎	1531.1590	1.571 (0.07)	1.4164 (0.056)	3.784 (0.522)	3.003 (0.625)
^𝑃𝑃(6,6)𝑎	1532.6831	20.697 (0.570)	2.250 (0.118)	4.430 (0.076)	9.116 (0.919)
^𝑃𝑃(7,2)𝑎	1509.4479	1.818 (0.053)	1.863 (0.108)	1.415 (0.044)	1.445 (0.055)
^𝑃𝑃(7,3)𝑎	1511.3125	1.169 (0.064)	1.510 (0.047)	1.183 (0.195)	1.312 (0.247)
^𝑃𝑃(7,4)𝑎	1513.0439	1.823 (0.094)	1.888 (0.074)	1.657 (0.131)	1.431 (0.442)
^𝑃𝑃(7,5)𝑎	1514.6055	2.319 (0.176)	2.145 (0.141)	1.810 (0.157)	1.500 (0.104)
^𝑃𝑃(7,6)𝑎	1515.8819	3.013 (0.035)	3.074 (0.162)	2.200 (0.179)	1.946 (0.226)
^𝑃𝑃(7,7)𝑎	1516.8521	8.994 (0.217)	1.248 (0.070)	2.080 (0.120)	2.632 (0.091)
^𝑃𝑃(8,1)𝑎	1494.2421	0.375 (0.038)	0.334 (0.009)	1.116 (0.113)	1.180 (0.101)
^𝑃𝑃(8,2)𝑎	1493.5269	—	—	1.145 (0.142)	1.328 (0.215)
^𝑃𝑃(8,3)𝑎	1496.1740	0.546 (0.105)	0.597 (0.072)	2.357 (0.153)	2.785 (0.261)
^𝑃𝑃(8,4)𝑎	1497.6750	1.982 (0.104)	2.123 (0.071)	4.054 (0.261)	4.521 (0.276)
^𝑃𝑃(8,6)𝑎	1499.8028	2.199 (0.022)	2.877 (0.264)	2.710 (0.236)	2.499 (0.917)
^𝑃𝑃(8,7)𝑎	1500.5103	11.869 (1.307)	10.742 (1.414)	—	—
^𝑃𝑃(8,8)𝑎	1500.9439	7.227 (0.231)	2.221 (0.335)	1.423 (0.349)	1.799 (0.368)