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

using model chemistry: MP2=FULL/6-31+G**

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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-510.713320
Energy at 298.15K-510.713140
HF Energy-510.258838
Nuclear repulsion energy78.707777
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 MP2=FULL/6-31+G**
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 2089 1962 650.36 27.29 0.55 0.71
2 Σ 902 848 6.00 38.41 0.19 0.32
3 Π 494 464 1.37 1.35 0.75 0.86
3 Π 494 464 1.37 1.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1989.0 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 1868.1 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 MP2=FULL/6-31+G**
B
0.20004

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.518
O2 0.000 0.000 -1.700
S3 0.000 0.000 1.044

Atom - Atom Distances (Å)
  C1 O2 S3
C11.18131.5623
O21.18132.7436
S31.56232.7436

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability