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

using model chemistry: CCSD(T)/6-31G(2df,p)

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 CCSD(T)/6-31G(2df,p)
 hartrees
Energy at 0K-510.833268
Energy at 298.15K-510.833141
HF Energy-510.279997
Nuclear repulsion energy78.944471
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 CCSD(T)/6-31G(2df,p)
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 2121 2121        
2 Σ 870 870        
3 Π 535 535        
3 Π 535 535        

Unscaled Zero Point Vibrational Energy (zpe) 2029.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2029.9 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 CCSD(T)/6-31G(2df,p)
B
0.20095

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.529
O2 0.000 0.000 -1.690
S3 0.000 0.000 1.044

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16091.5731
O21.16092.7340
S31.57312.7340

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