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

using model chemistry: mPW1PW91/6-311G*

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 mPW1PW91/6-311G*
 hartrees
Energy at 0K-511.561854
Energy at 298.15K-511.561722
HF Energy-511.561854
Nuclear repulsion energy79.486942
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 mPW1PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 2170 2071 769.28 11.81 0.31 0.48
2 Σ 897 856 10.23 15.56 0.25 0.40
3 Π 526 502 5.36 1.59 0.75 0.86
3 Π 526 502 5.36 1.59 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2059.6 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 1965.7 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 mPW1PW91/6-311G*
B
0.20368

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

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 -1.679
S3 0.000 0.000 1.037

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15231.5632
O21.15232.7154
S31.56322.7154

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.158      
2 O -0.209      
3 S 0.051      


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 0.517 0.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.274 0.000 0.000
y 0.000 -23.274 0.000
z 0.000 0.000 -24.561
Traceless
 xyz
x 0.644 0.000 0.000
y 0.000 0.644 0.000
z 0.000 0.000 -1.287
Polar
3z2-r2-2.575
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 1.987 0.000 0.000
y 0.000 1.987 0.000
z 0.000 0.000 6.833


<r2> (average value of r2) Å2
<r2> 56.208
(<r2>)1/2 7.497