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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-1913.754218
Energy at 298.15K-1913.754551
HF Energy-1913.754218
Nuclear repulsion energy495.670992
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 1802 1634 0.00      
2 Ag 482 437 0.00      
3 Ag 258 234 0.00      
4 Au 110 100 0.00      
5 B1u 839 761 81.83      
6 B1u 338 307 0.03      
7 B2g 636 577 0.00      
8 B2u 985 893 168.62      
9 B2u 195 176 0.89      
10 B3g 1094 992 0.00      
11 B3g 377 342 0.00      
12 B3u 328 297 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 3722.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 3373.9 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 HF/Def2TZVPP
ABC
0.05818 0.04656 0.02586

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.693
C2 0.000 0.000 -0.693
Cl3 0.000 1.362 1.493
Cl4 0.000 -1.362 1.493
Cl5 0.000 -1.362 -1.493
Cl6 0.000 1.362 -1.493

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.38671.57891.57892.57552.5755
C21.38672.57552.57551.57891.5789
Cl31.57892.57552.72314.04102.9858
Cl41.57892.57552.72312.98584.0410
Cl52.57551.57894.04102.98582.7231
Cl62.57551.57892.98584.04102.7231

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.423 C1 C2 Cl6 120.423
C2 C1 Cl3 120.423 C2 C1 Cl4 120.423
Cl3 C1 Cl4 119.154 Cl5 C2 Cl6 119.154
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 C 0.051      
3 Cl -0.026      
4 Cl -0.026      
5 Cl -0.026      
6 Cl -0.026      


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 -61.566 0.000 0.000
y 0.000 -59.353 0.000
z 0.000 0.000 -61.146
Traceless
 xyz
x -1.317 0.000 0.000
y 0.000 2.003 0.000
z 0.000 0.000 -0.686
Polar
3z2-r2-1.373
x2-y2-2.213
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.161 0.000 0.000
y 0.000 11.673 0.000
z 0.000 0.000 12.880


<r2> (average value of r2) Å2
<r2> 354.948
(<r2>)1/2 18.840