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

using model chemistry: MP4=FULL/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 MP4=FULL/6-31G*
 hartrees
Energy at 0K-510.738558
Energy at 298.15K-510.738342
HF Energy-510.253812
Nuclear repulsion energy78.086133
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 MP4=FULL/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 2005 1928        
2 Σ 856 823        
3 Π 483 465        
3 Π 483 465        

Unscaled Zero Point Vibrational Energy (zpe) 1913.4 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 1839.9 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 MP4=FULL/6-31G*
B
0.19686

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.525
O2 0.000 0.000 -1.712
S3 0.000 0.000 1.053

Atom - Atom Distances (Å)
  C1 O2 S3
C11.18761.5774
O21.18762.7650
S31.57742.7650

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