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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: HF/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 HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-1913.757011
Energy at 298.15K-1913.757375
Nuclear repulsion energy496.094056
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/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 1801 1636 0.00      
2 Ag 485 440 0.00      
3 Ag 261 237 0.00      
4 Au 110 100 0.00      
5 B1u 843 766 76.06      
6 B1u 342 311 0.04      
7 B2g 647 588 0.00      
8 B2u 990 900 159.22      
9 B2u 196 178 0.84      
10 B3g 1096 996 0.00      
11 B3g 378 343 0.00      
12 B3u 330 300 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 3739.7 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 3397.9 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/6-311+G(3df,2p)
ABC
0.05834 0.04658 0.02590

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.659
C2 0.000 0.000 -0.659
Cl3 0.000 1.437 1.585
Cl4 0.000 -1.437 1.585
Cl5 0.000 -1.437 -1.585
Cl6 0.000 1.437 -1.585

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.31741.71001.71002.66472.6647
C21.31742.66472.66471.71001.7100
Cl31.71002.66472.87454.27953.1704
Cl41.71002.66472.87453.17044.2795
Cl52.66471.71004.27953.17042.8745
Cl62.66471.71003.17044.27952.8745

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.806 C1 C2 Cl6 122.806
C2 C1 Cl3 122.806 C2 C1 Cl4 122.806
Cl3 C1 Cl4 114.387 Cl5 C2 Cl6 114.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.408      
2 C 0.408      
3 Cl -0.204      
4 Cl -0.204      
5 Cl -0.204      
6 Cl -0.204      


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 -62.113 0.000 0.000
y 0.000 -59.485 0.000
z 0.000 0.000 -61.313
Traceless
 xyz
x -1.714 0.000 0.000
y 0.000 2.228 0.000
z 0.000 0.000 -0.513
Polar
3z2-r2-1.027
x2-y2-2.628
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.505 0.000 0.000
y 0.000 12.596 0.000
z 0.000 0.000 14.247


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000