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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-31.716372
Energy at 298.15K-31.716097
HF Energy-31.716372
Nuclear repulsion energy25.100556
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 B3LYP/CEP-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 1964 1902 554.94 15.43 0.13 0.23
2 Σ 791 766 3.19 16.50 0.33 0.50
3 Π 458 444 4.69 3.47 0.75 0.86
3 Π 458 444 4.69 3.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1835.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 1777.4 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 B3LYP/CEP-31G
B
0.18718

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.552
O2 0.000 0.000 -1.750
S3 0.000 0.000 1.082

Atom - Atom Distances (Å)
  C1 O2 S3
C11.19821.6337
O21.19822.8319
S31.63372.8319

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.076      
2 O 0.054      
3 S 0.022      


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 0.644 0.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.805 0.000 0.000
y 0.000 -22.805 0.000
z 0.000 0.000 -25.792
Traceless
 xyz
x 1.493 0.000 0.000
y 0.000 1.493 0.000
z 0.000 0.000 -2.987
Polar
3z2-r2-5.974
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 1.420 0.000 0.000
y 0.000 1.420 0.000
z 0.000 0.000 7.417


<r2> (average value of r2) Å2
<r2> 41.481
(<r2>)1/2 6.441