Dipole moment function of carbonyl sulphide

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Abstract
Measurements are reported for the infra-red absorption intensity of some overtone and combination bands in carbonyl sulphide. These are interpreted with the aid of an anharmonic force field and some microwave Stark effect measurements on excited vibrational states to give the values for the dipole in the equilibrium configuration, p e, and the linear and quadratic derivatives for the axial dipole component shown in table 4. These signs are absolute, being tied to the microwave Zeeman effect on isotopically substituted molecules [4].