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

using model chemistry: CISD/6-311G*

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 CISD/6-311G*
 hartrees
Energy at 0K-510.720496
Energy at 298.15K-510.720389
HF Energy-510.311578
Nuclear repulsion energy79.622614
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 CISD/6-311G*
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 2207 2042 965.46      
2 Σ 902 834 23.59      
3 Π 543 503 7.42      
3 Π 543 503 7.42      

Unscaled Zero Point Vibrational Energy (zpe) 2097.4 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 1940.7 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 CISD/6-311G*
B
0.20426

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.529
O2 0.000 0.000 -1.675
S3 0.000 0.000 1.036

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14531.5653
O21.14532.7106
S31.56532.7106

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