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

using model chemistry: MP3/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-510.883410
Energy at 298.15K-510.883320
HF Energy-510.340950
Nuclear repulsion energy79.737587
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/Def2TZVPP
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 2202 2202 981.45      
2 Σ 905 905 18.37      
3 Π 554 554 3.50      
3 Π 554 554 3.50      

Unscaled Zero Point Vibrational Energy (zpe) 2107.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2107.3 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/Def2TZVPP
B
0.20490

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/Def2TZVPP

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 -1.673
S3 0.000 0.000 1.034

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14581.5609
O21.14582.7068
S31.56092.7068

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