return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: PBEPBEultrafine/aug-cc-pV(T+d)Z

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 PBEPBEultrafine/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-511.319791
Energy at 298.15K-511.319721
HF Energy-511.319791
Nuclear repulsion energy78.874087
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 PBEPBEultrafine/aug-cc-pV(T+d)Z
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 2059 2059 611.38      
2 Σ 867 867 5.11      
3 Π 507 507 0.91      
3 Π 507 507 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 1970.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1970.2 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 PBEPBEultrafine/aug-cc-pV(T+d)Z
B
0.20072

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pV(T+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.524
O2 0.000 0.000 -1.694
S3 0.000 0.000 1.043

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16931.5677
O21.16932.7370
S31.56772.7370

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 PBEPBEultrafine/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.082      
2 O -0.131      
3 S 0.213      


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 0.795 0.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.343 0.000 0.000
y 0.000 -23.343 0.000
z 0.000 0.000 -24.289
Traceless
 xyz
x 0.473 0.000 0.000
y 0.000 0.473 0.000
z 0.000 0.000 -0.946
Polar
3z2-r2-1.892
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 3.889 0.000 0.000
y 0.000 3.889 0.000
z 0.000 0.000 7.741


<r2> (average value of r2) Å2
<r2> 56.793
(<r2>)1/2 7.536