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

using model chemistry: CCSD/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-510.890411
Energy at 298.15K-510.890301
HF Energy-510.342016
Nuclear repulsion energy79.372583
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/cc-pV(T+d)Z
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 2143 2143 847.28      
2 Σ 881 881 18.23      
3 Π 541 541 4.18      
3 Π 541 541 4.18      

Unscaled Zero Point Vibrational Energy (zpe) 2052.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2052.6 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/cc-pV(T+d)Z
B
0.20307

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pV(T+d)Z

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 -1.681
S3 0.000 0.000 1.038

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15281.5664
O21.15282.7193
S31.56642.7193

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