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: TPSSh/aug-cc-pVTZ

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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-511.620950
Energy at 298.15K-511.620814
HF Energy-511.620950
Nuclear repulsion energy79.173073
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 TPSSh/aug-cc-pVTZ
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 2100 2027 697.47 20.52 0.73 0.85
2 Σ 877 846 7.70 23.99 0.08 0.15
3 Π 523 504 1.62 0.25 0.75 0.86
3 Π 523 504 1.62 0.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2010.9 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 1940.9 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 TPSSh/aug-cc-pVTZ
B
0.20214

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.526
O2 0.000 0.000 -1.686
S3 0.000 0.000 1.040

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16001.5664
O21.16002.7264
S31.56642.7264

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 TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.018      
2 O -0.134      
3 S 0.115      


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 0.693 0.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.787 0.000 0.000
y 0.000 3.787 0.000
z 0.000 0.000 7.527


<r2> (average value of r2) Å2
<r2> 56.448
(<r2>)1/2 7.513