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

using model chemistry: QCISD(T)/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 QCISD(T)/6-311G*
 hartrees
Energy at 0K-510.793091
Energy at 298.15K-510.792921
HF Energy-510.308813
Nuclear repulsion energy78.764780
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(T)/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 2089 2011        
2 Σ 869 837        
3 Π 506 487        
3 Π 506 487        

Unscaled Zero Point Vibrational Energy (zpe) 1984.8 cm-1
Scaled (by 0.9628) Zero Point Vibrational Energy (zpe) 1910.9 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(T)/6-311G*
B
0.20006

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.530
O2 0.000 0.000 -1.694
S3 0.000 0.000 1.046

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16471.5756
O21.16472.7403
S31.57562.7403

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