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

using model chemistry: B3PW91/6-311G**

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 B3PW91/6-311G**
 hartrees
Energy at 0K-511.494963
Energy at 298.15K-511.494825
HF Energy-511.494963
Nuclear repulsion energy79.340965
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 B3PW91/6-311G**
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 2151 2071 738.32 11.27 0.31 0.48
2 Σ 890 857 9.13 15.87 0.25 0.41
3 Π 521 502 4.84 1.58 0.75 0.86
3 Π 521 502 4.84 1.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2041.0 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 1965.7 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 B3PW91/6-311G**
B
0.20296

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.527
O2 0.000 0.000 -1.682
S3 0.000 0.000 1.038

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15531.5652
O21.15532.7205
S31.56522.7205

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 B3PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 O -0.205      
3 S 0.055      


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 0.547 0.547
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.266 0.000 0.000
y 0.000 -23.266 0.000
z 0.000 0.000 -24.540
Traceless
 xyz
x 0.637 0.000 0.000
y 0.000 0.637 0.000
z 0.000 0.000 -1.274
Polar
3z2-r2-2.548
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.994 0.000 0.000
y 0.000 1.994 0.000
z 0.000 0.000 6.876


<r2> (average value of r2) Å2
<r2> 56.350
(<r2>)1/2 7.507