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. 2003 May 28;100(12):7069–7074. doi: 10.1073/pnas.1231856100

Table 2. Temperature dependence of the CO stretch band areas: 2D model fit parameters.

〈cos θ〉2T → 0 V0, kJ/mol ω, cm-1 l·1046, kg·m2
12C16O 0.935 1.83 20.3 2.1
13C16O 0.930 1.77 21.4 3.6
13C18O 0.915 1.90 28.0 2.7
Mean* 0.93 ± 0.01 1.80 ± 0.03 20.8 ± 0.6 2.8 ± 0.7
Global* 0.925 1.80 23.5 3.0
*

Weighted by isotopic fraction