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

using model chemistry: CISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-510.821252
Energy at 298.15K-510.821179
HF Energy-510.336967
Nuclear repulsion energy79.936992
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/6-311+G(3df,2p)
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 2034 1020.01      
2 Σ 907 836 24.47      
3 Π 564 520 3.75      
3 Π 564 520 3.75      

Unscaled Zero Point Vibrational Energy (zpe) 2120.8 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 1955.0 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/6-311+G(3df,2p)
B
0.20589

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311+G(3df,2p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.527
O2 0.000 0.000 -1.668
S3 0.000 0.000 1.032

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14111.5588
O21.14112.6999
S31.55882.6999

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