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All results from a given calculation for CS2 (Carbon disulfide)

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-825.196331
Energy at 298.15K-825.195813
HF Energy-825.196331
Nuclear repulsion energy108.244571
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 B3LYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 710 633 0.00 14.34 0.29 0.45
2 Σu 1794 1601 273.94 0.00 0.00 0.00
3 Πu 389 347 0.06 0.00 0.00 0.00
3 Πu 389 347 0.06 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1641.1 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 1464.5 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 B3LYP/STO-3G
B
0.10772

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
S2 0.000 0.000 1.564
S3 0.000 0.000 -1.564

Atom - Atom Distances (Å)
  C1 S2 S3
C11.56441.5644
S21.56443.1288
S31.56443.1288

picture of Carbon disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 S3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.305      
2 S 0.153      
3 S 0.153      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.198 0.000 0.000
y 0.000 -26.198 0.000
z 0.000 0.000 -26.857
Traceless
 xyz
x 0.330 0.000 0.000
y 0.000 0.330 0.000
z 0.000 0.000 -0.660
Polar
3z2-r2-1.319
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 0.760 0.000 0.000
y 0.000 0.760 0.000
z 0.000 0.000 6.926


<r2> (average value of r2) Å2
<r2> 94.814
(<r2>)1/2 9.737