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All results from a given calculation for C2Cl4 (Tetrachloroethylene)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-1916.949870
Energy at 298.15K-1916.949654
Nuclear repulsion energy483.561066
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 BLYP/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 1549 1552 0.00      
2 Ag 422 423 0.00      
3 Ag 228 228 0.00      
4 Au 92 92 0.00      
5 B1u 725 727 82.06      
6 B1u 299 299 0.09      
7 B2g 478 479 0.00      
8 B2u 827 828 228.16      
9 B2u 169 169 0.89      
10 B3g 904 905 0.00      
11 B3g 327 328 0.00      
12 B3u 274 275 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 3146.5 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 3151.6 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 BLYP/cc-pVDZ
ABC
0.05506 0.04456 0.02463

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.681
C2 0.000 0.000 -0.681
Cl3 0.000 1.480 1.620
Cl4 0.000 -1.480 1.620
Cl5 0.000 -1.480 -1.620
Cl6 0.000 1.480 -1.620

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 Cl5 Cl6
C11.36241.75231.75232.73602.7360
C21.36242.73602.73601.75231.7523
Cl31.75232.73602.95904.38823.2405
Cl41.75232.73602.95903.24054.3882
Cl52.73601.75234.38823.24052.9590
Cl62.73601.75233.24054.38822.9590

picture of Tetrachloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 122.403 C1 C2 Cl6 122.403
C2 C1 Cl3 122.403 C2 C1 Cl4 122.403
Cl3 C1 Cl4 115.195 Cl5 C2 Cl6 115.195
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C -0.055      
3 Cl 0.028      
4 Cl 0.028      
5 Cl 0.028      
6 Cl 0.028      


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 -61.035 0.000 0.000
y 0.000 -57.754 0.000
z 0.000 0.000 -59.541
Traceless
 xyz
x -2.388 0.000 0.000
y 0.000 2.535 0.000
z 0.000 0.000 -0.147
Polar
3z2-r2-0.294
x2-y2-3.281
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.959 0.000 0.000
y 0.000 12.108 0.000
z 0.000 0.000 12.245


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