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

using model chemistry: HF/3-21G

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 HF/3-21G
 hartrees
Energy at 0K-507.667167
Energy at 298.15K-507.667057
HF Energy-507.667167
Nuclear repulsion energy78.009589
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 HF/3-21G
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 2241 2030 788.59 34.45 0.28 0.44
2 Σ 769 696 28.14 4.22 0.33 0.50
3 Π 570 516 21.50 1.81 0.75 0.86
3 Π 570 516 21.50 1.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2075.1 cm-1
Scaled (by 0.9056) Zero Point Vibrational Energy (zpe) 1879.2 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 HF/3-21G
B
0.19527

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.563
O2 0.000 0.000 -1.703
S3 0.000 0.000 1.063

Atom - Atom Distances (Å)
  C1 O2 S3
C11.13981.6263
O21.13982.7661
S31.62632.7661

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 HF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.256      
2 O -0.475      
3 S 0.219      


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 -0.488 0.488
CHELPG 0.000 0.000 -0.725 0.725
AIM        
ESP 0.000 0.000 -0.662 0.662


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.003 0.000 0.000
y 0.000 -24.003 0.000
z 0.000 0.000 -27.229
Traceless
 xyz
x 1.613 0.000 0.000
y 0.000 1.613 0.000
z 0.000 0.000 -3.226
Polar
3z2-r2-6.452
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 1.495 0.000 0.000
y 0.000 1.495 0.000
z 0.000 0.000 6.188


<r2> (average value of r2) Å2
<r2> 58.851
(<r2>)1/2 7.671