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: B3LYPultrafine/daug-cc-pVDZ

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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-511.577084
Energy at 298.15K-511.576930
HF Energy-511.577084
Nuclear repulsion energy78.708192
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 B3LYPultrafine/daug-cc-pVDZ
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 2097 2097 743.53 21.33 0.75 0.86
2 Σ 869 869 8.25 25.30 0.08 0.14
3 Π 510 510 1.93 0.29 0.75 0.86
3 Π 510 510 1.93 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1993.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1993.3 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 B3LYPultrafine/daug-cc-pVDZ
B
0.19970

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.532
O2 0.000 0.000 -1.695
S3 0.000 0.000 1.047

Atom - Atom Distances (Å)
  C1 O2 S3
C11.16331.5790
O21.16332.7423
S31.57902.7423

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 B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.433      
2 O -0.176      
3 S -0.257      


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 0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.499 0.000 0.000
y 0.000 -23.499 0.000
z 0.000 0.000 -24.641
Traceless
 xyz
x 0.571 0.000 0.000
y 0.000 0.571 0.000
z 0.000 0.000 -1.142
Polar
3z2-r2-2.284
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 3.885 0.000 0.000
y 0.000 3.885 0.000
z 0.000 0.000 7.671


<r2> (average value of r2) Å2
<r2> 57.144
(<r2>)1/2 7.559