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

using model chemistry: B2PLYP/3-21G*

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 B2PLYP/3-21G*
 hartrees
Energy at 0K-508.779951
Energy at 298.15K-508.779809
HF Energy-508.655415
Nuclear repulsion energy78.331018
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 B2PLYP/3-21G*
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 2029 2029 419.80 9.41 0.34 0.51
2 Σ 862 862 5.93 16.93 0.29 0.45
3 Π 528 528 4.78 0.86 0.75 0.86
3 Π 528 528 4.78 0.86 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1973.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1973.5 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 B2PLYP/3-21G*
B
0.19812

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.521
O2 0.000 0.000 -1.708
S3 0.000 0.000 1.049

Atom - Atom Distances (Å)
  C1 O2 S3
C11.18661.5701
O21.18662.7567
S31.57012.7567

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 B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.287      
2 O -0.369      
3 S 0.082      


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 0.308 0.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.297 0.000 0.000
y 0.000 -23.297 0.000
z 0.000 0.000 -25.090
Traceless
 xyz
x 0.897 0.000 0.000
y 0.000 0.897 0.000
z 0.000 0.000 -1.793
Polar
3z2-r2-3.586
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 1.809 0.000 0.000
y 0.000 1.809 0.000
z 0.000 0.000 6.566


<r2> (average value of r2) Å2
<r2> 57.494
(<r2>)1/2 7.582