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

using model chemistry: MP4/TZVP

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 MP4/TZVP
 hartrees
Energy at 0K-510.813159
Energy at 298.15K-510.812960
HF Energy-510.314031
Nuclear repulsion energy78.268110
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 MP4/TZVP
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 1987 1913        
2 Σ 842 811        
3 Π 489 471        
3 Π 489 471        

Unscaled Zero Point Vibrational Energy (zpe) 1903.5 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 1832.9 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 MP4/TZVP
B
0.19768

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

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 -1.707
S3 0.000 0.000 1.051

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17891.5792
O21.17892.7581
S31.57922.7581

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