return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CS2 (Carbon disulfide)

using model chemistry: BLYP/6-311+G(3df,2p)

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 BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-834.537963
Energy at 298.15K-834.537531
HF Energy-834.537963
Nuclear repulsion energy108.061724
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/6-311+G(3df,2p)
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 650 646 0.00 30.20 0.16 0.27
2 Σu 1508 1500 529.46 0.00 0.00 0.00
3 Πu 390 387 4.16 0.00 0.00 0.00
3 Πu 390 387 4.16 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1468.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1460.3 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/6-311+G(3df,2p)
B
0.10736

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

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 1.567
S3 0.000 0.000 -1.567

Atom - Atom Distances (Å)
  C1 S2 S3
C11.56701.5670
S21.56703.1341
S31.56703.1341

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 BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.322      
2 S -0.161      
3 S -0.161      


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 -31.643 0.000 0.000
y 0.000 -31.643 0.000
z 0.000 0.000 -28.773
Traceless
 xyz
x -1.435 0.000 0.000
y 0.000 -1.435 0.000
z 0.000 0.000 2.870
Polar
3z2-r25.741
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 5.300 0.000 0.000
y 0.000 5.300 0.000
z 0.000 0.000 14.107


<r2> (average value of r2) Å2
<r2> 97.746
(<r2>)1/2 9.887