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

using model chemistry: HSEh1PBE/6-31G

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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-834.094745
Energy at 298.15K-834.094263
HF Energy-834.094745
Nuclear repulsion energy106.250763
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 HSEh1PBE/6-31G
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 633 606 0.00 23.70 0.30 0.46
2 Σu 1526 1460 519.49 0.00 0.00 0.00
3 Πu 372 356 1.45 0.00 0.00 0.00
3 Πu 372 356 1.45 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1451.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 1388.8 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 HSEh1PBE/6-31G
B
0.10379

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

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 1.594
S3 0.000 0.000 -1.594

Atom - Atom Distances (Å)
  C1 S2 S3
C11.59371.5937
S21.59373.1875
S31.59373.1875

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 HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.426      
2 S 0.213      
3 S 0.213      


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 -31.442 0.000 0.000
y 0.000 -31.442 0.000
z 0.000 0.000 -31.198
Traceless
 xyz
x -0.122 0.000 0.000
y 0.000 -0.122 0.000
z 0.000 0.000 0.243
Polar
3z2-r20.487
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 2.558 0.000 0.000
y 0.000 2.558 0.000
z 0.000 0.000 12.842


<r2> (average value of r2) Å2
<r2> 100.868
(<r2>)1/2 10.043