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

using model chemistry: PBE1PBE/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 PBE1PBE/STO-3G
 hartrees
Energy at 0K-505.367100
Energy at 298.15K-505.366770
HF Energy-505.367100
Nuclear repulsion energy77.900487
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 PBE1PBE/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 2247 1982 193.93 2.10 0.16 0.27
2 Σ 942 831 2.59 10.03 0.27 0.43
3 Π 459 405 2.65 0.53 0.75 0.86
3 Π 459 405 2.65 0.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2053.2 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 1811.2 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 PBE1PBE/STO-3G
B
0.19619

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.509
O2 0.000 0.000 -1.722
S3 0.000 0.000 1.052

Atom - Atom Distances (Å)
  C1 O2 S3
C11.21331.5608
O21.21332.7741
S31.56082.7741

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 PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.009      
2 O -0.131      
3 S 0.139      


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 0.571 0.571
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.784 0.000 0.000
y 0.000 -19.784 0.000
z 0.000 0.000 -22.531
Traceless
 xyz
x 1.373 0.000 0.000
y 0.000 1.373 0.000
z 0.000 0.000 -2.747
Polar
3z2-r2-5.494
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 0.552 0.000 0.000
y 0.000 0.552 0.000
z 0.000 0.000 4.108


<r2> (average value of r2) Å2
<r2> 55.914
(<r2>)1/2 7.478