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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B3LYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-1917.114529
Energy at 298.15K-1917.114571
Nuclear repulsion energy492.657165
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/6-311+G(3df,2p)
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 1612 1559 0.00      
2 Ag 449 434 0.00      
3 Ag 240 232 0.00      
4 Au 99 96 0.00      
5 B1u 775 749 68.68      
6 B1u 317 306 0.07      
7 B2g 564 545 0.00      
8 B2u 884 854 184.32      
9 B2u 179 173 0.73      
10 B3g 966 934 0.00      
11 B3g 347 336 0.00      
12 B3u 296 286 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 3363.6 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 3252.6 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/6-311+G(3df,2p)
ABC
0.05729 0.04613 0.02555

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.670
C2 0.000 0.000 -0.670
Cl3 0.000 1.450 1.592
Cl4 0.000 -1.450 1.592
Cl5 0.000 -1.450 -1.592
Cl6 0.000 1.450 -1.592

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33941.71901.71902.68712.6871
C21.33942.68712.68711.71901.7190
Cl31.71902.68712.90074.30783.1848
Cl41.71902.68712.90073.18484.3078
Cl52.68711.71904.30783.18482.9007
Cl62.68711.71903.18484.30782.9007

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.464 C1 C2 Cl6 122.464
C2 C1 Cl3 122.464 C2 C1 Cl4 122.464
Cl3 C1 Cl4 115.073 Cl5 C2 Cl6 115.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.335      
2 C 0.335      
3 Cl -0.167      
4 Cl -0.167      
5 Cl -0.167      
6 Cl -0.167      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.891 0.000 0.000
y 0.000 13.916 0.000
z 0.000 0.000 15.209


<r2> (average value of r2) Å2
<r2> 358.645
(<r2>)1/2 18.938