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

using model chemistry: QCISD(TQ)/6-31G*

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(TQ)/6-31G*
 hartrees
Energy at 0K-510.708838
Energy at 298.15K-510.708645
HF Energy-510.257244
Nuclear repulsion energy78.629563
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(TQ)/6-31G*
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 2126 2126        
2 Σ 877 877        
3 Π 494 494        
3 Π 494 494        

Unscaled Zero Point Vibrational Energy (zpe) 1994.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1994.8 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(TQ)/6-31G*
B
0.19940

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/6-31G*

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 -1.698
S3 0.000 0.000 1.047

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17031.5752
O21.17032.7455
S31.57522.7455

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