C2H4OS Methane - carbonyl sulfide

Quantum State Molecular Constants Reference Method 

The upper-state distortion constants were constrained to those of the ground state. Reference 

Reduced Axis Method analysis, combined fit of the = 0 1 2 torsional states. 

All parameters in cm except p which is dimensionless. AJi = AB+BA. The product of the parameter and operator from a given row yields the term actually used in the Hamiltonian, except for F, p, and, which occnr in the form F (Py - p Paf + A P  

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