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

using model chemistry: mPW1PW91/TZVP

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 mPW1PW91/TZVP
 hartrees
Energy at 0K-834.534732
Energy at 298.15K-834.534352
HF Energy-834.534732
Nuclear repulsion energy108.832064
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 mPW1PW91/TZVP
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 686 655 0.00 24.53 0.28 0.43
2 Σu 1585 1512 688.63 0.00 0.00 0.00
3 Πu 406 387 2.65 0.00 0.00 0.00
3 Πu 406 387 2.65 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1541.2 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 1470.3 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 mPW1PW91/TZVP
B
0.10889

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

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 1.556
S3 0.000 0.000 -1.556

Atom - Atom Distances (Å)
  C1 S2 S3
C11.55591.5559
S21.55593.1119
S31.55593.1119

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 mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.028      
2 S -0.014      
3 S -0.014      


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 -31.227 0.000 0.000
y 0.000 -31.227 0.000
z 0.000 0.000 -28.867
Traceless
 xyz
x -1.180 0.000 0.000
y 0.000 -1.180 0.000
z 0.000 0.000 2.360
Polar
3z2-r24.720
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 3.312 0.000 0.000
y 0.000 3.312 0.000
z 0.000 0.000 13.199


<r2> (average value of r2) Å2
<r2> 96.484
(<r2>)1/2 9.823