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

using model chemistry: TPSSh/STO-3G

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 TPSSh/STO-3G
 hartrees
Energy at 0K-505.656333
Energy at 298.15K-505.655971
HF Energy-505.656333
Nuclear repulsion energy77.371210
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 TPSSh/STO-3G
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 2184 2184 161.43 1.85 0.15 0.27
2 Σ 916 916 1.89 10.03 0.27 0.43
3 Π 445 445 1.57 0.51 0.75 0.86
3 Π 445 445 1.57 0.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1994.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1994.5 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 TPSSh/STO-3G
B
0.19355

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.511
O2 0.000 0.000 -1.734
S3 0.000 0.000 1.059

Atom - Atom Distances (Å)
  C1 O2 S3
C11.22321.5701
O21.22322.7933
S31.57012.7933

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
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 O -0.122      
3 S 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.590 0.590
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.563 0.000 0.000
y 0.000 0.563 0.000
z 0.000 0.000 4.128


<r2> (average value of r2) Å2
<r2> 56.455
(<r2>)1/2 7.514