return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: BLYP/cc-pV(T+d)Z

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/cc-pV(T+d)Z
 hartrees
Energy at 0K-511.595731
Energy at 298.15K-511.595558
HF Energy-511.595731
Nuclear repulsion energy78.662429
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/cc-pV(T+d)Z
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 2031 2022 578.00      
2 Σ 847 844 5.20      
3 Π 503 501 1.94      
3 Π 503 501 1.94      

Unscaled Zero Point Vibrational Energy (zpe) 1941.9 cm-1
Scaled (by 0.9958) Zero Point Vibrational Energy (zpe) 1933.8 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/cc-pV(T+d)Z
B
0.19961

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pV(T+d)Z

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.527
O2 0.000 0.000 -1.698
S3 0.000 0.000 1.046

Atom - Atom Distances (Å)
  C1 O2 S3
C11.17101.5733
O21.17102.7443
S31.57332.7443

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/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.111      
2 O -0.093      
3 S -0.018      


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 0.724 0.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.299 0.000 0.000
y 0.000 -23.299 0.000
z 0.000 0.000 -24.320
Traceless
 xyz
x 0.510 0.000 0.000
y 0.000 0.510 0.000
z 0.000 0.000 -1.020
Polar
3z2-r2-2.041
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 2.789 0.000 0.000
y 0.000 2.789 0.000
z 0.000 0.000 7.260


<r2> (average value of r2) Å2
<r2> 57.013
(<r2>)1/2 7.551