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/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-511.317929
Energy at 298.15K-511.317767
HF Energy-511.317929
Nuclear repulsion energy78.905149
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/Def2TZVPP
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 2066 2066 581.87 14.12 0.46 0.63
2 Σ 869 869 4.60 18.18 0.19 0.31
3 Π 509 509 1.40 0.65 0.75 0.86
3 Π 509 509 1.40 0.65 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1976.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1976.7 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/Def2TZVPP
B
0.20087

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/Def2TZVPP

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 -1.693
S3 0.000 0.000 1.043

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16871.5672
O21.16872.7360
S31.56722.7360

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/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.218      
2 O -0.101      
3 S -0.117      


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 0.758 0.758
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.188 0.000 0.000
y 0.000 -23.188 0.000
z 0.000 0.000 -24.195
Traceless
 xyz
x 0.503 0.000 0.000
y 0.000 0.503 0.000
z 0.000 0.000 -1.006
Polar
3z2-r2-2.013
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 3.002 0.000 0.000
y 0.000 3.002 0.000
z 0.000 0.000 7.361


<r2> (average value of r2) Å2
<r2> 56.676
(<r2>)1/2 7.528