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

using model chemistry: CCSD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-510.883946
Energy at 298.15K-510.883837
HF Energy-510.335963
Nuclear repulsion energy79.451790
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/6-311+G(3df,2p)
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 2144 2022 913.06      
2 Σ 884 834 19.33      
3 Π 543 512 2.55      
3 Π 543 512 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 2056.4 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 1939.4 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/6-311+G(3df,2p)
B
0.20345

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.528
O2 0.000 0.000 -1.679
S3 0.000 0.000 1.038

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15061.5659
O21.15062.7165
S31.56592.7165

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