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

using model chemistry: M06-2X/TZVP

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 M06-2X/TZVP
 hartrees
Energy at 0K-511.521185
Energy at 298.15K-511.521057
HF Energy-511.521185
Nuclear repulsion energy79.472793
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 M06-2X/TZVP
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 2173 2057 920.13 21.05 0.40 0.57
2 Σ 884 837 17.34 15.08 0.22 0.37
3 Π 528 500 4.68 1.52 0.75 0.86
3 Π 528 500 4.68 1.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2056.9 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1946.2 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 M06-2X/TZVP
B
0.20351

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.530
O2 0.000 0.000 -1.678
S3 0.000 0.000 1.038

Atom - Atom Distances (Å)
  C1 O2 S3
C11.14811.5676
O21.14812.7157
S31.56762.7157

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 M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.313      
2 O -0.240      
3 S -0.073      


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 0.634 0.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.342 0.000 0.000
y 0.000 -23.342 0.000
z 0.000 0.000 -25.033
Traceless
 xyz
x 0.845 0.000 0.000
y 0.000 0.845 0.000
z 0.000 0.000 -1.691
Polar
3z2-r2-3.381
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 2.359 0.000 0.000
y 0.000 2.359 0.000
z 0.000 0.000 7.294


<r2> (average value of r2) Å2
<r2> 56.370
(<r2>)1/2 7.508