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

using model chemistry: BLYP/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 BLYP/TZVP
 hartrees
Energy at 0K-511.580337
Energy at 298.15K-511.580147
HF Energy-511.580337
Nuclear repulsion energy78.381608
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 BLYP/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 2030 2025 594.85 13.46 0.37 0.54
2 Σ 840 838 4.88 17.50 0.24 0.38
3 Π 495 494 1.80 1.34 0.75 0.86
3 Π 495 494 1.80 1.34 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1929.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 1925.1 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 BLYP/TZVP
B
0.19812

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.531
O2 0.000 0.000 -1.703
S3 0.000 0.000 1.051

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17181.5821
O21.17182.7539
S31.58212.7539

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 BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.215      
2 O -0.181      
3 S -0.034      


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 0.765 0.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.381 0.000 0.000
y 0.000 -23.381 0.000
z 0.000 0.000 -25.001
Traceless
 xyz
x 0.810 0.000 0.000
y 0.000 0.810 0.000
z 0.000 0.000 -1.620
Polar
3z2-r2-3.240
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 2.435 0.000 0.000
y 0.000 2.435 0.000
z 0.000 0.000 7.470


<r2> (average value of r2) Å2
<r2> 57.507
(<r2>)1/2 7.583