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

using model chemistry: MP2=FULL/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 MP2=FULL/Def2TZVPP
 hartrees
Energy at 0K-511.081798
Energy at 298.15K-511.081678
HF Energy-510.338412
Nuclear repulsion energy79.289243
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/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 2107 2107 608.75 26.86 0.42 0.60
2 Σ 899 899 6.33 29.41 0.21 0.35
3 Π 534 534 1.28 0.73 0.75 0.86
3 Π 534 534 1.28 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2036.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2036.9 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 MP2=FULL/Def2TZVPP
B
0.20287

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.520
O2 0.000 0.000 -1.685
S3 0.000 0.000 1.038

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16511.5577
O21.16512.7229
S31.55772.7229

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