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Table 13

Equilibrium constants for 12CH.

Constant X2Π a4Σ A2Δ B C

De(cm-1) 29 374.0 23 349.6 16210.26 4731.57 7549.36
27 959.64
re(Å) 1.11981 1.0892 1.10366 1.16370 1.12777

T e 0.0 6024.40a 23 148.7375 24 642.425 31 809.6428
ω e 2860.9238 3090.9a 2923.3763 2255.07 2853.1724
ω e x e 64.58180 102.17a 90.2 223.2c 120.8564
ω e y e 0.407275 –0.1917
ω e z e –0.01980 –0.3892

B e 14.45924 15.364b 14.88536 13.3818 14.56066
α e 0.53502 0.553b –0.591798 1.4828 0.56653
γ e 0.001993 –0.047110 –0.08659
ϵ e 0.000214 0.00782

Notes.

(a)

Constants taken from Kalemos et al. (1999).

(b)

Constants taken from Lie et al. (1973).

(c)

Value fixed according to Lie et al. (1973).

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