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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-1917.133880
Energy at 298.15K-1917.133874
HF Energy-1917.133880
Nuclear repulsion energy491.337499
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 B3LYPultrafine/aug-cc-pVTZ
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 1616 1564 0.00      
2 Ag 444 430 0.00      
3 Ag 236 229 0.00      
4 Au 97 94 0.00      
5 B1u 767 742 69.31      
6 B1u 312 301 0.07      
7 B2g 542 525 0.00      
8 B2u 876 848 187.31      
9 B2u 177 171 0.73      
10 B3g 957 926 0.00      
11 B3g 344 333 0.00      
12 B3u 290 281 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 3329.1 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 3220.9 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.05691 0.04595 0.02542

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

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 1.454 1.598
Cl4 0.000 -1.454 1.598
Cl5 0.000 -1.454 -1.598
Cl6 0.000 1.454 -1.598

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.33821.72531.72532.69312.6931
C21.33822.69312.69311.72531.7253
Cl31.72532.69312.90804.32073.1956
Cl41.72532.69312.90803.19564.3207
Cl52.69311.72534.32073.19562.9080
Cl62.69311.72533.19564.32072.9080

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.566 C1 C2 Cl6 122.566
C2 C1 Cl3 122.566 C2 C1 Cl4 122.566
Cl3 C1 Cl4 114.869 Cl5 C2 Cl6 114.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.282      
2 C 0.282      
3 Cl -0.141      
4 Cl -0.141      
5 Cl -0.141      
6 Cl -0.141      


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 -61.569 0.000 0.000
y 0.000 -59.008 0.000
z 0.000 0.000 -60.949
Traceless
 xyz
x -1.591 0.000 0.000
y 0.000 2.251 0.000
z 0.000 0.000 -0.660
Polar
3z2-r2-1.320
x2-y2-2.562
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.085 0.000 0.000
y 0.000 14.100 0.000
z 0.000 0.000 15.340


<r2> (average value of r2) Å2
<r2> 360.301
(<r2>)1/2 18.982