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

using model chemistry: MP3=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-508.128479
Energy at 298.15K-508.128346
HF Energy-507.777497
Nuclear repulsion energy78.854367
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=FULL/3-21G*
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 2146 2146 755.82      
2 Σ 887 887 16.25      
3 Π 529 529 9.33      
3 Π 529 529 9.33      

Unscaled Zero Point Vibrational Energy (zpe) 2045.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2045.7 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=FULL/3-21G*
B
0.20061

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.525
O2 0.000 0.000 -1.694
S3 0.000 0.000 1.044

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16901.5687
O21.16902.7377
S31.56872.7377

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