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

using model chemistry: PBE1PBE/6-31G*

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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-511.257063
Energy at 298.15K-511.256910
HF Energy-511.257063
Nuclear repulsion energy79.112458
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 PBE1PBE/6-31G*
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 2174 2066 690.46 12.50 0.42 0.59
2 Σ 895 851 10.61 14.48 0.23 0.37
3 Π 516 491 6.95 1.03 0.75 0.86
3 Π 516 491 6.95 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2051.0 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 1949.1 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 PBE1PBE/6-31G*
B
0.20184

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.526
O2 0.000 0.000 -1.687
S3 0.000 0.000 1.041

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16111.5674
O21.16112.7285
S31.56742.7285

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 PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.312      
2 O -0.302      
3 S -0.009      


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 0.417 0.417
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.035 0.000 0.000
y 0.000 -23.035 0.000
z 0.000 0.000 -24.446
Traceless
 xyz
x 0.705 0.000 0.000
y 0.000 0.705 0.000
z 0.000 0.000 -1.411
Polar
3z2-r2-2.822
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 2.146 0.000 0.000
y 0.000 2.146 0.000
z 0.000 0.000 6.694


<r2> (average value of r2) Å2
<r2> 56.464
(<r2>)1/2 7.514