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

using model chemistry: PBE1PBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-511.297222
Energy at 298.15K-511.297090
HF Energy-511.297222
Nuclear repulsion energy79.000016
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/aug-cc-pVDZ
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 2144 2061 764.11 18.29 0.71 0.83
2 Σ 892 858 8.44 23.38 0.09 0.17
3 Π 522 502 2.28 0.40 0.75 0.86
3 Π 522 502 2.28 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2040.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 1962.1 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/aug-cc-pVDZ
B
0.20120

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.529
O2 0.000 0.000 -1.689
S3 0.000 0.000 1.043

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15961.5726
O21.15962.7322
S31.57262.7322

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/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 O -0.208      
3 S 0.289      


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 0.685 0.685
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.377 0.000 0.000
y 0.000 -23.377 0.000
z 0.000 0.000 -24.413
Traceless
 xyz
x 0.518 0.000 0.000
y 0.000 0.518 0.000
z 0.000 0.000 -1.036
Polar
3z2-r2-2.072
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 3.634 0.000 0.000
y 0.000 3.634 0.000
z 0.000 0.000 7.516


<r2> (average value of r2) Å2
<r2> 56.731
(<r2>)1/2 7.532