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

using model chemistry: MP3/6-31G*

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 MP3/6-31G*
 hartrees
Energy at 0K-510.681182
Energy at 298.15K-510.681029
HF Energy-510.258961
Nuclear repulsion energy79.201897
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 MP3/6-31G*
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 2204 2069 929.37      
2 Σ 908 852 18.93      
3 Π 514 483 8.08      
3 Π 514 483 8.08      

Unscaled Zero Point Vibrational Energy (zpe) 2070.2 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 1943.1 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 MP3/6-31G*
B
0.20227

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.527
O2 0.000 0.000 -1.685
S3 0.000 0.000 1.040

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15871.5666
O21.15872.7253
S31.56662.7253

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