| Constants | Sd | R | |
| Te | 26516.20134 | 7.860E-02 | 3.374E+05 |
| Y10 | 233.729831 | 0.157 | 1.490E+03 |
| Y20 | 30.058843 | 0.130 | 232. |
| Y30 | -4.9507034 | 5.794E-02 | -85.4 |
| Y40 | 0.7811279 | 1.534E-02 | 50.9 |
| Y50 | -9.351255E-02 | 2.469E-03 | -37.9 |
| Y60 | 7.242689E-03 | 2.367E-04 | 30.6 |
| Y70 | -3.202396E-04 | 1.241E-05 | -25.8 |
| Y80 | 6.113479E-06 | 2.737E-07 | 22.3 |
| Y01 | 2.80105948 | 1.533E-03 | 1.827E+03 |
| Y11 | 0.120380 | 2.403E-03 | 50.1 |
| Y21 | -6.641632E-02 | 1.661E-03 | -40.0 |
| Y31 | 2.2951896E-02 | 6.667E-04 | 34.4 |
| Y41 | -5.051864E-03 | 1.657E-04 | -30.5 |
| Y51 | 6.860389E-04 | 2.544E-05 | 27.0 |
| Y61 | -5.608104E-05 | 2.331E-06 | -24.1 |
| Y71 | 2.532087E-06 | 1.167E-07 | 21.7 |
| Y81 | -4.853228E-08 | 2.464E-09 | -19.7 |
| Y02 | -1.3154943E-03 | 1.498E-05 | -87.8 |
| Y12 | 5.691534E-04 | 1.759E-05 | 32.4 |
| Y22 | -1.7490204E-04 | 8.597E-06 | -20.3 |
| Y32 | 3.053481E-05 | 2.139E-06 | 14.3 |
| Y42 | -3.0429935E-06 | 2.853E-07 | -10.7 |
| Y52 | 1.611465E-07 | 1.941E-08 | 8.30 |
| Y62 | -3.51020E-09 | 5.277E-10 | -6.65 |
| Y03 | 5.802684E-07 | 5.850E-08 | 9.92 |
| Y13 | -5.947009E-07 | 5.318E-08 | -11.2 |
| Y23 | 2.294924E-07 | 2.278E-08 | 10.1 |
| Y33 | -4.338219E-08 | 5.113E-09 | -8.48 |
| Y43 | 4.424877E-09 | 6.199E-10 | 7.14 |
| Y53 | -2.351553E-10 | 3.872E-11 | -6.07 |
| Y63 | 5.080346E-12 | 9.802E-13 | 5.18 |
| Y04 | 7.991012E-10 | 7.407E-11 | 10.8 |
| Y14 | -2.298233E-10 | 1.948E-11 | -11.8 |
| Y24 | 1.584424E-11 | 1.332E-12 | 11.9 |
| Y05 | -8.0302704E-13 | 6.548E-14 | -12.3 |
| Y15 | 2.322702E-13 | 1.577E-14 | 14.7 |
| Y25 | -1.6115146E-14 | 9.994E-16 | -16.1 |
| d00 | -0.71773226 | 9.414E-03 | -76.2 |
| d10 | 3.9841422E-02 | 1.605E-03 | 24.8 |
| d01 | 7.3209573E-04 | 2.541E-05 | 28.8 |
Sd is the standard deviation. R is the ratio between the coefficient and its standard deviation. These value are given in cm -1 . For each constant, three digits are given in addition to the significant ones. They are necessary to reproduce the wavenumbers to experimental accuracy.