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 CS2 (Carbon disulfide)

using model chemistry: B3LYP/cc-pCVTZ

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/cc-pCVTZ
 hartrees
Energy at 0K-834.583757
Energy at 298.15K-834.583381
Nuclear repulsion energy108.950235
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/cc-pCVTZ
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 676 676 0.00      
2 Σu 1556 1556 658.79      
3 Πu 408 408 2.52      
3 Πu 408 408 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 1523.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1523.5 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/cc-pCVTZ
B
0.10913

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pCVTZ

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 1.554
S3 0.000 0.000 -1.554

Atom - Atom Distances (Å)
  C1 S2 S3
C11.55431.5543
S21.55433.1085
S31.55433.1085

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/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.017      
2 S 0.008      
3 S 0.008      


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 -31.314 0.000 0.000
y 0.000 -31.314 0.000
z 0.000 0.000 -28.501
Traceless
 xyz
x -1.406 0.000 0.000
y 0.000 -1.406 0.000
z 0.000 0.000 2.813
Polar
3z2-r25.626
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 3.978 0.000 0.000
y 0.000 3.978 0.000
z 0.000 0.000 13.201


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000