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All results from a given calculation for OCS (Carbonyl sulfide)

using model chemistry: CCSD(T)/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at CCSD(T)/daug-cc-pVTZ
 hartrees
Energy at 0K-510.931662
Energy at 298.15K-510.931510
HF Energy-510.340310
Nuclear repulsion energy78.857978
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD(T)/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2081 2081        
2 Σ 865 865        
3 Π 518 518        
3 Π 518 518        

Unscaled Zero Point Vibrational Energy (zpe) 1991.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1991.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/daug-cc-pVTZ
B
0.20051

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/daug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.530
O2 0.000 0.000 -1.692
S3 0.000 0.000 1.045

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16221.5748
O21.16222.7370
S31.57482.7370

picture of Carbonyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 C1 S3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability