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

using model chemistry: MP3/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-510.883449
Energy at 298.15K-510.883351
HF Energy-510.340447
Nuclear repulsion energy79.555811
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/cc-pVTZ
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 2204 2082 956.86      
2 Σ 898 848 18.22      
3 Π 546 516 4.35      
3 Π 546 516 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 2097.1 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 1981.1 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/cc-pVTZ
B
0.20392

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.530
O2 0.000 0.000 -1.676
S3 0.000 0.000 1.037

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14641.5664
O21.14642.7128
S31.56642.7128

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