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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B1B95/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-1917.189871
Energy at 298.15K-1917.189951
Nuclear repulsion energy492.696571
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/cc-pVDZ
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 1663 1598 0.00      
2 Ag 461 443 0.00      
3 Ag 246 236 0.00      
4 Au 100 96 0.00      
5 B1u 793 763 81.51      
6 B1u 318 305 0.09      
7 B2g 529 509 0.00      
8 B2u 931 895 217.04      
9 B2u 190 182 0.79      
10 B3g 1005 966 0.00      
11 B3g 350 337 0.00      
12 B3u 295 283 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 3440.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 3306.6 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 B1B95/cc-pVDZ
ABC
0.05709 0.04631 0.02557

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.673
C2 0.000 0.000 -0.673
Cl3 0.000 1.453 1.589
Cl4 0.000 -1.453 1.589
Cl5 0.000 -1.453 -1.589
Cl6 0.000 1.453 -1.589

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.34591.71761.71762.68842.6884
C21.34592.68842.68841.71761.7176
Cl31.71762.68842.90594.30623.1780
Cl41.71762.68842.90593.17804.3062
Cl52.68841.71764.30623.17802.9059
Cl62.68841.71763.17804.30622.9059

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.229 C1 C2 Cl6 122.229
C2 C1 Cl3 122.229 C2 C1 Cl4 122.229
Cl3 C1 Cl4 115.541 Cl5 C2 Cl6 115.541
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.079      
2 C -0.079      
3 Cl 0.039      
4 Cl 0.039      
5 Cl 0.039      
6 Cl 0.039      


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 -60.855 0.000 0.000
y 0.000 -57.512 0.000
z 0.000 0.000 -59.349
Traceless
 xyz
x -2.425 0.000 0.000
y 0.000 2.590 0.000
z 0.000 0.000 -0.165
Polar
3z2-r2-0.330
x2-y2-3.343
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.942 0.000 0.000
y 0.000 11.385 0.000
z 0.000 0.000 11.713


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