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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: wB97X-D/aug-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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-1917.040042
Energy at 298.15K-1917.040155
HF Energy-1917.040042
Nuclear repulsion energy493.710592
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 wB97X-D/aug-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 1670 1598 0.00      
2 Ag 458 438 0.00      
3 Ag 243 232 0.00      
4 Au 103 99 0.00      
5 B1u 792 758 68.54      
6 B1u 318 305 0.06      
7 B2g 563 538 0.00      
8 B2u 919 879 177.61      
9 B2u 185 177 0.71      
10 B3g 999 956 0.00      
11 B3g 352 336 0.00      
12 B3u 304 291 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 3452.9 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 3303.0 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 wB97X-D/aug-cc-pVTZ
ABC
0.05749 0.04637 0.02567

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.699
C2 0.000 0.000 -0.699
Cl3 0.000 1.365 1.493
Cl4 0.000 -1.365 1.493
Cl5 0.000 -1.365 -1.493
Cl6 0.000 1.365 -1.493

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.39771.57941.57942.58242.5824
C21.39772.58242.58241.57941.5794
Cl31.57942.58242.72994.04642.9868
Cl41.57942.58242.72992.98684.0464
Cl52.58241.57944.04642.98682.7299
Cl62.58241.57942.98684.04642.7299

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.204 C1 C2 Cl6 120.204
C2 C1 Cl3 120.204 C2 C1 Cl4 120.204
Cl3 C1 Cl4 119.592 Cl5 C2 Cl6 119.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.321      
2 C 0.321      
3 Cl -0.160      
4 Cl -0.160      
5 Cl -0.160      
6 Cl -0.160      


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 -61.113 0.000 0.000
y 0.000 -58.387 0.000
z 0.000 0.000 -60.289
Traceless
 xyz
x -1.775 0.000 0.000
y 0.000 2.314 0.000
z 0.000 0.000 -0.539
Polar
3z2-r2-1.078
x2-y2-2.726
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.028 0.000 0.000
y 0.000 13.611 0.000
z 0.000 0.000 14.983


<r2> (average value of r2) Å2
<r2> 356.869
(<r2>)1/2 18.891