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

using model chemistry: B1B95/3-21G

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 B1B95/3-21G
 hartrees
Energy at 0K-830.625605
Energy at 298.15K-830.625251
HF Energy-830.625605
Nuclear repulsion energy109.243322
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 B1B95/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 695 665 0.00 20.10 0.31 0.47
2 Σu 1624 1554 665.92 0.00 0.00 0.00
3 Πu 419 400 2.08 0.00 0.00 0.00
3 Πu 419 400 2.08 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1578.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 1509.9 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 B1B95/3-21G
B
0.10972

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

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 1.550
S3 0.000 0.000 -1.550

Atom - Atom Distances (Å)
  C1 S2 S3
C11.55011.5501
S21.55013.1002
S31.55013.1002

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 B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 S 0.139      
3 S 0.139      


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 -31.312 0.000 0.000
y 0.000 -31.312 0.000
z 0.000 0.000 -28.812
Traceless
 xyz
x -1.250 0.000 0.000
y 0.000 -1.250 0.000
z 0.000 0.000 2.501
Polar
3z2-r25.001
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 2.715 0.000 0.000
y 0.000 2.715 0.000
z 0.000 0.000 12.296


<r2> (average value of r2) Å2
<r2> 95.925
(<r2>)1/2 9.794