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

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-830.304548
Energy at 298.15K-830.304041
HF Energy-830.304548
Nuclear repulsion energy105.244217
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 592 589 0.00 21.93 0.35 0.52
2 Σu 1451 1443 378.41 0.00 0.00 0.00
3 Πu 371 369 3.21 0.00 0.00 0.00
3 Πu 371 369 3.21 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1392.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 1384.8 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/3-21G
B
0.10183

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/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 1.609
S3 0.000 0.000 -1.609

Atom - Atom Distances (Å)
  C1 S2 S3
C11.60901.6090
S21.60903.2180
S31.60903.2180

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.688      
2 S 0.344      
3 S 0.344      


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 -31.636 0.000 0.000
y 0.000 -31.636 0.000
z 0.000 0.000 -30.381
Traceless
 xyz
x -0.628 0.000 0.000
y 0.000 -0.628 0.000
z 0.000 0.000 1.256
Polar
3z2-r22.512
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 2.333 0.000 0.000
y 0.000 2.333 0.000
z 0.000 0.000 12.383


<r2> (average value of r2) Å2
<r2> 102.341
(<r2>)1/2 10.116