return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF2CCl2 (difluorodichloroethylene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-1193.699061
Energy at 298.15K-1193.699965
HF Energy-1193.699061
Nuclear repulsion energy357.124502
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1963 1779 284.41      
2 A1 1145 1038 230.02      
3 A1 691 626 4.81      
4 A1 473 429 0.51      
5 A1 278 252 0.08      
6 A2 175 158 0.00      
7 B1 729 661 11.49      
8 B1 366 332 0.07      
9 B2 1489 1349 160.52      
10 B2 1079 978 119.30      
11 B2 504 457 0.55      
12 B2 206 186 2.68      

Unscaled Zero Point Vibrational Energy (zpe) 4548.1 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 4122.4 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/Def2TZVPP
ABC
0.08752 0.07467 0.04029

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.083
C2 0.000 0.000 -0.223
F3 0.000 1.060 1.813
F4 0.000 -1.060 1.813
Cl5 0.000 1.463 -1.111
Cl6 0.000 -1.463 -1.111

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.30651.28681.28682.63772.6377
C21.30652.29562.29561.71181.7118
F31.28682.29562.11972.95203.8625
F41.28682.29562.11973.86252.9520
Cl52.63771.71182.95203.86252.9270
Cl62.63771.71183.86252.95202.9270

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 121.247 C1 C2 Cl6 121.247
C2 C1 F3 124.549 C2 C1 F4 124.549
F3 C1 F4 110.903 Cl5 C2 Cl6 117.505
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.515      
2 C -0.022      
3 F -0.209      
4 F -0.209      
5 Cl -0.037      
6 Cl -0.037      


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 0.182 0.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.273 0.000 0.000
y 0.000 -46.174 0.000
z 0.000 0.000 -46.530
Traceless
 xyz
x 1.079 0.000 0.000
y 0.000 -0.273 0.000
z 0.000 0.000 -0.806
Polar
3z2-r2-1.612
x2-y20.901
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.353 0.000 0.000
y 0.000 7.707 0.000
z 0.000 0.000 7.984


<r2> (average value of r2) Å2
<r2> 230.241
(<r2>)1/2 15.174