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

using model chemistry: PBEPBE/STO-3G

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 PBEPBE/STO-3G
 hartrees
Energy at 0K-505.317789
Energy at 298.15K-505.317402
HF Energy-505.317789
Nuclear repulsion energy76.924101
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 PBEPBE/STO-3G
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 2145 1959 122.56 1.52 0.16 0.27
2 Σ 899 822 1.15 10.14 0.27 0.43
3 Π 433 396 0.86 0.48 0.75 0.86
3 Π 433 396 0.86 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1955.1 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 1786.2 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 PBEPBE/STO-3G
B
0.19134

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.512
O2 0.000 0.000 -1.745
S3 0.000 0.000 1.065

Atom - Atom Distances (Å)
  C1 O2 S3
C11.23311.5768
O21.23312.8098
S31.57682.8098

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 PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.044      
2 O -0.108      
3 S 0.151      


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 0.640 0.640
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.802 0.000 0.000
y 0.000 -19.802 0.000
z 0.000 0.000 -21.999
Traceless
 xyz
x 1.098 0.000 0.000
y 0.000 1.098 0.000
z 0.000 0.000 -2.197
Polar
3z2-r2-4.393
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 0.576 0.000 0.000
y 0.000 0.576 0.000
z 0.000 0.000 4.161


<r2> (average value of r2) Å2
<r2> 56.900
(<r2>)1/2 7.543