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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-505.543158
Energy at 298.15K-505.542745
HF Energy-505.543158
Nuclear repulsion energy76.553775
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 BLYP/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 2090 1934 122.63 1.59 0.15 0.26
2 Σ 876 810 1.07 10.20 0.27 0.43
3 Π 423 392 0.77 0.49 0.75 0.86
3 Π 423 392 0.77 0.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1906.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 1763.4 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 BLYP/STO-3G
B
0.18950

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.515
O2 0.000 0.000 -1.753
S3 0.000 0.000 1.070

Atom - Atom Distances (Å)
  C1 O2 S3
C11.23811.5852
O21.23812.8233
S31.58522.8233

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 BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.043      
2 O -0.115      
3 S 0.158      


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 0.698 0.698
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.806 0.000 0.000
y 0.000 -19.806 0.000
z 0.000 0.000 -22.020
Traceless
 xyz
x 1.107 0.000 0.000
y 0.000 1.107 0.000
z 0.000 0.000 -2.214
Polar
3z2-r2-4.428
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 0.584 0.000 0.000
y 0.000 0.584 0.000
z 0.000 0.000 4.204


<r2> (average value of r2) Å2
<r2> 57.335
(<r2>)1/2 7.572