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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-1916.967606
Energy at 298.15K-1916.967404
Nuclear repulsion energy483.702201
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/aug-cc-pVDZ
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 1550 1547 0.00      
2 Ag 423 422 0.00      
3 Ag 227 226 0.00      
4 Au 91 90 0.00      
5 B1u 727 725 73.62      
6 B1u 298 298 0.06      
7 B2g 496 495 0.00      
8 B2u 822 820 209.87      
9 B2u 167 167 0.78      
10 B3g 888 886 0.00      
11 B3g 326 325 0.00      
12 B3u 276 276 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 3144.7 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 3138.7 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/aug-cc-pVDZ
ABC
0.05524 0.04446 0.02463

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.680
C2 0.000 0.000 -0.680
Cl3 0.000 1.477 1.622
Cl4 0.000 -1.477 1.622
Cl5 0.000 -1.477 -1.622
Cl6 0.000 1.477 -1.622

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.36041.75191.75192.73542.7354
C21.36042.73542.73541.75191.7519
Cl31.75192.73542.95424.38773.2442
Cl41.75192.73542.95423.24424.3877
Cl52.73541.75194.38773.24422.9542
Cl62.73541.75193.24424.38772.9542

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.524 C1 C2 Cl6 122.524
C2 C1 Cl3 122.524 C2 C1 Cl4 122.524
Cl3 C1 Cl4 114.951 Cl5 C2 Cl6 114.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.122      
2 C 0.122      
3 Cl -0.061      
4 Cl -0.061      
5 Cl -0.061      
6 Cl -0.061      


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 -62.219 0.000 0.000
y 0.000 -59.206 0.000
z 0.000 0.000 -61.191
Traceless
 xyz
x -2.021 0.000 0.000
y 0.000 2.500 0.000
z 0.000 0.000 -0.479
Polar
3z2-r2-0.958
x2-y2-3.014
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.072 0.000 0.000
y 0.000 14.748 0.000
z 0.000 0.000 15.787


<r2> (average value of r2) Å2
<r2> 370.856
(<r2>)1/2 19.258