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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-1916.466234
Energy at 298.15K-1916.466326
HF Energy-1916.466234
Nuclear repulsion energy495.186010
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/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 1648 1584 0.00      
2 Ag 463 445 0.00      
3 Ag 239 230 0.00      
4 Au 102 98 0.00      
5 B1u 800 769 74.57      
6 B1u 317 305 0.03      
7 B2g 556 534 0.00      
8 B2u 929 893 197.93      
9 B2u 178 171 0.81      
10 B3g 1006 967 0.00      
11 B3g 354 340 0.00      
12 B3u 297 286 0.51      

Unscaled Zero Point Vibrational Energy (zpe) 3444.3 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 3310.4 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/cc-pVTZ
ABC
0.05772 0.04673 0.02582

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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 1.445 1.582
Cl4 0.000 -1.445 1.582
Cl5 0.000 -1.445 -1.582
Cl6 0.000 1.445 -1.582

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33821.70911.70912.67482.6748
C21.33822.67482.67481.70911.7091
Cl31.70912.67482.89004.28483.1635
Cl41.70912.67482.89003.16354.2848
Cl52.67481.70914.28483.16352.8900
Cl62.67481.70913.16354.28482.8900

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.277 C1 C2 Cl6 122.277
C2 C1 Cl3 122.277 C2 C1 Cl4 122.277
Cl3 C1 Cl4 115.447 Cl5 C2 Cl6 115.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 C 0.053      
3 Cl -0.027      
4 Cl -0.027      
5 Cl -0.027      
6 Cl -0.027      


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 -60.976 0.000 0.000
y 0.000 -58.201 0.000
z 0.000 0.000 -60.000
Traceless
 xyz
x -1.876 0.000 0.000
y 0.000 2.287 0.000
z 0.000 0.000 -0.411
Polar
3z2-r2-0.822
x2-y2-2.775
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.720 0.000 0.000
y 0.000 12.492 0.000
z 0.000 0.000 13.273


<r2> (average value of r2) Å2
<r2> 354.794
(<r2>)1/2 18.836