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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-511.178978
Energy at 298.15K-511.178729
HF Energy-511.178978
Nuclear repulsion energy77.507495
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 2063 1972 573.11 10.11 0.39 0.56
2 Σ 820 783 5.76 14.76 0.25 0.40
3 Π 466 446 5.89 1.36 0.75 0.86
3 Π 466 446 5.89 1.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1907.5 cm-1
Scaled (by 0.9559) Zero Point Vibrational Energy (zpe) 1823.3 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
0.19357

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 -0.543
O2 0.000 0.000 -1.721
S3 0.000 0.000 1.064

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17731.6073
O21.17732.7846
S31.60732.7846

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 0.110      
2 O -0.295      
3 S 0.185      


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 0.348 0.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.319 0.000 0.000
y 0.000 -23.319 0.000
z 0.000 0.000 -26.257
Traceless
 xyz
x 1.469 0.000 0.000
y 0.000 1.469 0.000
z 0.000 0.000 -2.938
Polar
3z2-r2-5.875
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 1.807 0.000 0.000
y 0.000 1.807 0.000
z 0.000 0.000 6.983


<r2> (average value of r2) Å2
<r2> 58.743
(<r2>)1/2 7.664