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

using model chemistry: MP2/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/Def2TZVPP
 hartrees
Energy at 0K-510.884301
Energy at 298.15K-510.884176
HF Energy-510.337991
Nuclear repulsion energy79.141737
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/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 2100 1998 606.67 27.15 0.42 0.59
2 Σ 896 852 6.57 29.58 0.21 0.35
3 Π 530 504 1.28 0.73 0.75 0.86
3 Π 530 504 1.28 0.73 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2027.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 1929.5 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 MP2/Def2TZVPP
B
0.20212

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.521
O2 0.000 0.000 -1.688
S3 0.000 0.000 1.040

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16741.5605
O21.16742.7279
S31.56052.7279

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