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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B3LYP/TZVP

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/TZVP
 hartrees
Energy at 0K-1917.074835
Energy at 298.15K-1917.074821
HF Energy-1917.074835
Nuclear repulsion energy488.819109
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/TZVP
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 1622 1566 0.00      
2 Ag 441 426 0.00      
3 Ag 239 230 0.00      
4 Au 97 93 0.00      
5 B1u 762 735 79.84      
6 B1u 313 302 0.13      
7 B2g 542 524 0.00      
8 B2u 866 836 218.41      
9 B2u 178 172 0.98      
10 B3g 957 924 0.00      
11 B3g 342 331 0.00      
12 B3u 291 281 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 3324.6 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 3209.6 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/TZVP
ABC
0.05629 0.04551 0.02517

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

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 1.463 1.603
Cl4 0.000 -1.463 1.603
Cl5 0.000 -1.463 -1.603
Cl6 0.000 1.463 -1.603

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33811.73611.73612.70292.7029
C21.33812.70292.70291.73611.7361
Cl31.73612.70292.92644.34153.2070
Cl41.73612.70292.92643.20704.3415
Cl52.70291.73614.34153.20702.9264
Cl62.70291.73613.20704.34152.9264

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.563 C1 C2 Cl6 122.563
C2 C1 Cl3 122.563 C2 C1 Cl4 122.563
Cl3 C1 Cl4 114.874 Cl5 C2 Cl6 114.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 C -0.035      
3 Cl 0.017      
4 Cl 0.017      
5 Cl 0.017      
6 Cl 0.017      


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 -61.677 0.000 0.000
y 0.000 -58.857 0.000
z 0.000 0.000 -60.936
Traceless
 xyz
x -1.780 0.000 0.000
y 0.000 2.449 0.000
z 0.000 0.000 -0.669
Polar
3z2-r2-1.338
x2-y2-2.820
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.303 0.000 0.000
y 0.000 12.144 0.000
z 0.000 0.000 12.433


<r2> (average value of r2) Å2
<r2> 363.581
(<r2>)1/2 19.068