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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-1916.986783
Energy at 298.15K-1916.986781
Nuclear repulsion energy481.280720
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 B1B95/6-31G
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 1712 1632 0.00      
2 Ag 429 409 0.00      
3 Ag 240 229 0.00      
4 Au 99 94 0.00      
5 B1u 753 718 68.16      
6 B1u 306 291 0.00      
7 B2g 581 554 0.00      
8 B2u 872 831 200.38      
9 B2u 189 180 1.64      
10 B3g 950 906 0.00      
11 B3g 344 328 0.00      
12 B3u 297 283 0.50      

Unscaled Zero Point Vibrational Energy (zpe) 3384.7 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 3228.0 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 B1B95/6-31G
ABC
0.05424 0.04441 0.02442

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.667
C2 0.000 0.000 -0.667
Cl3 0.000 1.491 1.624
Cl4 0.000 -1.491 1.624
Cl5 0.000 -1.491 -1.624
Cl6 0.000 1.491 -1.624

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33321.77171.77172.73302.7330
C21.33322.73302.73301.77171.7717
Cl31.77172.73302.98144.40903.2482
Cl41.77172.73302.98143.24824.4090
Cl52.73301.77174.40903.24822.9814
Cl62.73301.77173.24824.40902.9814

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.714 C1 C2 Cl6 122.714
C2 C1 Cl3 122.714 C2 C1 Cl4 122.714
Cl3 C1 Cl4 114.573 Cl5 C2 Cl6 114.573
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.421      
2 C -0.421      
3 Cl 0.210      
4 Cl 0.210      
5 Cl 0.210      
6 Cl 0.210      


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 -61.592 0.000 0.000
y 0.000 -60.176 0.000
z 0.000 0.000 -61.102
Traceless
 xyz
x -0.953 0.000 0.000
y 0.000 1.171 0.000
z 0.000 0.000 -0.218
Polar
3z2-r2-0.436
x2-y2-1.416
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.957 0.000 0.000
y 0.000 11.347 0.000
z 0.000 0.000 11.158


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