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

using model chemistry: QCISD/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 QCISD/cc-pV(T+d)Z
 hartrees
Energy at 0K-510.893260
Energy at 298.15K-510.893142
HF Energy-510.341649
Nuclear repulsion energy79.249216
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 QCISD/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 2116 2020 782.40      
2 Σ 874 834 16.08      
3 Π 536 512 4.11      
3 Π 536 512 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 2030.9 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 1938.9 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 QCISD/cc-pV(T+d)Z
B
0.20246

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/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 -1.684
S3 0.000 0.000 1.040

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15551.5681
O21.15552.7236
S31.56812.7236

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