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

using model chemistry: mPW1PW91/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 mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-511.546705
Energy at 298.15K-511.546576
HF Energy-511.546705
Nuclear repulsion energy79.034441
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/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 2142 2142 767.55 20.72 0.75 0.86
2 Σ 891 891 8.54 24.82 0.07 0.14
3 Π 523 523 2.10 0.27 0.75 0.86
3 Π 523 523 2.10 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2039.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2039.9 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 mPW1PW91/daug-cc-pVDZ
B
0.20137

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.529
O2 0.000 0.000 -1.688
S3 0.000 0.000 1.043

Atom - Atom Distances (Å)
  C1 O2 S3
C11.15881.5721
O21.15882.7310
S31.57212.7310

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 mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.605      
2 O -0.184      
3 S -0.421      


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 0.684 0.684
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.347 0.000 0.000
y 0.000 -23.347 0.000
z 0.000 0.000 -24.326
Traceless
 xyz
x 0.490 0.000 0.000
y 0.000 0.490 0.000
z 0.000 0.000 -0.979
Polar
3z2-r2-1.958
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 3.828 0.000 0.000
y 0.000 3.828 0.000
z 0.000 0.000 7.542


<r2> (average value of r2) Å2
<r2> 56.666
(<r2>)1/2 7.528