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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-1917.130862
Energy at 298.15K-1917.130867
Nuclear repulsion energy491.226398
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 B3LYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1616 1562 0.00      
2 Ag 444 430 0.00      
3 Ag 237 229 0.00      
4 Au 99 95 0.00      
5 B1u 768 743 75.66      
6 B1u 312 301 0.05      
7 B2g 547 528 0.00      
8 B2u 876 847 197.09      
9 B2u 177 171 0.83      
10 B3g 960 928 0.00      
11 B3g 345 333 0.00      
12 B3u 293 283 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 3336.3 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 3224.8 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 B3LYP/cc-pVTZ
ABC
0.05691 0.04591 0.02541

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.669
C2 0.000 0.000 -0.669
Cl3 0.000 1.455 1.596
Cl4 0.000 -1.455 1.596
Cl5 0.000 -1.455 -1.596
Cl6 0.000 1.455 -1.596

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33901.72541.72542.69292.6929
C21.33902.69292.69291.72541.7254
Cl31.72542.69292.91054.32033.1928
Cl41.72542.69292.91053.19284.3203
Cl52.69291.72544.32033.19282.9105
Cl62.69291.72543.19284.32032.9105

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.495 C1 C2 Cl6 122.495
C2 C1 Cl3 122.495 C2 C1 Cl4 122.495
Cl3 C1 Cl4 115.010 Cl5 C2 Cl6 115.010
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.054     0.014
2 C 0.054     0.014
3 Cl -0.027     -0.007
4 Cl -0.027     -0.007
5 Cl -0.027     -0.007
6 Cl -0.027     -0.007


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 0.000 0.000 0.000 0.000


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.248 0.000 0.000
y 0.000 -58.698 0.000
z 0.000 0.000 -60.442
Traceless
 xyz
x -1.678 0.000 0.000
y 0.000 2.146 0.000
z 0.000 0.000 -0.469
Polar
3z2-r2-0.937
x2-y2-2.549
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.727 0.000 0.000
y 0.000 12.719 0.000
z 0.000 0.000 13.426


<r2> (average value of r2) Å2
<r2> 360.232
(<r2>)1/2 18.980