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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-511.452483
Energy at 298.15K-511.452326
HF Energy-511.452483
Nuclear repulsion energy79.165139
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 M06-2X/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 2186 2070 808.44 17.69 0.41 0.58
2 Σ 886 839 17.44 12.89 0.22 0.36
3 Π 516 488 8.24 1.03 0.75 0.86
3 Π 516 488 8.24 1.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2051.7 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 1942.9 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 M06-2X/6-31G*
B
0.20202

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

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 -1.685
S3 0.000 0.000 1.041

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15601.5704
O21.15602.7264
S31.57042.7264

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 M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.340      
2 O -0.312      
3 S -0.028      


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 0.389 0.389
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.145 0.000 0.000
y 0.000 -23.145 0.000
z 0.000 0.000 -24.569
Traceless
 xyz
x 0.712 0.000 0.000
y 0.000 0.712 0.000
z 0.000 0.000 -1.424
Polar
3z2-r2-2.848
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 2.147 0.000 0.000
y 0.000 2.147 0.000
z 0.000 0.000 6.724


<r2> (average value of r2) Å2
<r2> 56.498
(<r2>)1/2 7.517