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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-510.982335
Energy at 298.15K-510.982205
HF Energy-510.338737
Nuclear repulsion energy79.075872
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 QCISD(T)=FULL/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 2099 2009        
2 Σ 869 831        
3 Π 528 506        
3 Π 528 506        

Unscaled Zero Point Vibrational Energy (zpe) 2012.5 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 1925.7 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 QCISD(T)=FULL/cc-pVTZ
B
0.20159

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.528
O2 0.000 0.000 -1.688
S3 0.000 0.000 1.042

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16001.5698
O21.16002.7298
S31.56982.7298

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