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

using model chemistry: HF/CEP-31G*

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 HF/CEP-31G*
 hartrees
Energy at 0K-31.135950
Energy at 298.15K-31.135860
HF Energy-31.135950
Nuclear repulsion energy26.064493
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 HF/CEP-31G*
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 2293 2059 1290.82 31.07 0.22 0.37
2 Σ 886 796 41.07 8.89 0.29 0.45
3 Π 564 507 17.45 3.22 0.75 0.86
3 Π 564 507 17.45 3.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2153.8 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 1934.1 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 HF/CEP-31G*
B
0.20061

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.542
O2 0.000 0.000 -1.686
S3 0.000 0.000 1.047

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14421.5887
O21.14422.7329
S31.58872.7329

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 O -0.040      
3 S -0.224      


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 0.246 0.246
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.858 0.000 0.000
y 0.000 -22.858 0.000
z 0.000 0.000 -24.474
Traceless
 xyz
x 0.808 0.000 0.000
y 0.000 0.808 0.000
z 0.000 0.000 -1.616
Polar
3z2-r2-3.231
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 1.811 0.000 0.000
y 0.000 1.811 0.000
z 0.000 0.000 6.823


<r2> (average value of r2) Å2
<r2> 39.423
(<r2>)1/2 6.279