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

using model chemistry: B3PW91/6-311+G(3df,2p)

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 B3PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-511.515434
Energy at 298.15K-511.515319
HF Energy-511.515434
Nuclear repulsion energy79.567378
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 B3PW91/6-311+G(3df,2p)
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 2140 2049 754.82 19.01 0.70 0.82
2 Σ 894 855 9.22 21.98 0.09 0.17
3 Π 536 513 1.92 0.32 0.75 0.86
3 Π 536 513 1.92 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2052.6 cm-1
Scaled (by 0.9573) Zero Point Vibrational Energy (zpe) 1965.0 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 B3PW91/6-311+G(3df,2p)
B
0.20416

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311+G(3df,2p)

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 -1.678
S3 0.000 0.000 1.035

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15401.5589
O21.15402.7129
S31.55892.7129

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 B3PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.532      
2 O -0.511      
3 S -0.020      


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 0.785 0.785
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.204 0.000 0.000
y 0.000 -23.204 0.000
z 0.000 0.000 -24.283
Traceless
 xyz
x 0.539 0.000 0.000
y 0.000 0.539 0.000
z 0.000 0.000 -1.078
Polar
3z2-r2-2.156
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 3.605 0.000 0.000
y 0.000 3.605 0.000
z 0.000 0.000 7.442


<r2> (average value of r2) Å2
<r2> 56.026
(<r2>)1/2 7.485