Table 1. Temperature dependence of the CO stretch band positions: 2D model fit parameters.

	δν(0)·104	ν0, cm-1	V0, kJ/mol	ω, cm-1	I·1046, kg·m2
12C16O	30.64	2,130.9	2.07	24.7	3.2
13C16O	30.81	2,084.0	1.89	25.0	2.9
13C18O	30.84	2,031.9	1.85	28.7	2.1
Mean*	30.72±0.10		1.98±0.09	24.9±0.4	3.0±0.1
Global*	30.72		1.99	24.6	3.0

^*Weighted by isotopic fraction