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

using model chemistry: CCSD(T)=FULL/cc-pVTZ

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(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-510.980933
Energy at 298.15K-510.980808
HF Energy-510.338905
Nuclear repulsion energy79.116139
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(T)=FULL/cc-pVTZ
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 2109 2020        
2 Σ 874 837        
3 Π 531 509        
3 Π 531 509        

Unscaled Zero Point Vibrational Energy (zpe) 2022.1 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 1937.2 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(T)=FULL/cc-pVTZ
B
0.20184

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

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 -1.687
S3 0.000 0.000 1.041

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15891.5692
O21.15892.7281
S31.56922.7281

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