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

using model chemistry: MP3=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 MP3=FULL/6-31G
 hartrees
Energy at 0K-510.424571
Energy at 298.15K-510.424262
HF Energy-510.155334
Nuclear repulsion energy77.036712
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 MP3=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 2068 2068 880.13      
2 Σ 788 788 18.93      
3 Π 438 438 7.59      
3 Π 438 438 7.59      

Unscaled Zero Point Vibrational Energy (zpe) 1865.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1865.5 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 MP3=FULL/6-31G
B
0.19094

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.556
O2 0.000 0.000 -1.728
S3 0.000 0.000 1.073

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17231.6289
O21.17232.8011
S31.62892.8011

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