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: TPSSh/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/cc-pVTZ
 hartrees
Energy at 0K-1196.421023
Energy at 298.15K-1196.421561
HF Energy-1196.421023
Nuclear repulsion energy352.815278
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 TPSSh/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 A1 1773 1716 167.04      
2 A1 1035 1002 183.87      
3 A1 625 605 3.54      
4 A1 432 418 0.47      
5 A1 252 244 0.08      
6 A2 153 148 0.00      
7 B1 583 565 4.77      
8 B1 324 314 0.02      
9 B2 1317 1276 146.30      
10 B2 960 930 141.26      
11 B2 454 440 0.81      
12 B2 180 175 2.18      

Unscaled Zero Point Vibrational Energy (zpe) 4044.1 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 3915.9 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 TPSSh/cc-pVTZ
ABC
0.08547 0.07313 0.03941

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.093
C2 0.000 0.000 -0.238
F3 0.000 1.089 1.832
F4 0.000 -1.089 1.832
Cl5 0.000 1.475 -1.121
Cl6 0.000 -1.475 -1.121

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33111.31591.31592.66092.6609
C21.33112.33902.33901.71941.7194
F31.31592.33902.17752.97883.9112
F41.31592.33902.17753.91122.9788
Cl52.66091.71942.97883.91122.9503
Cl62.66091.71943.91122.97882.9503

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.917 C1 C2 Cl6 120.917
C2 C1 F3 124.170 C2 C1 F4 124.170
F3 C1 F4 111.661 Cl5 C2 Cl6 118.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.397      
2 C -0.095      
3 F -0.105      
4 F -0.105      
5 Cl -0.046      
6 Cl -0.046      


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 0.124 0.124
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.113 0.000 0.000
y 0.000 8.491 0.000
z 0.000 0.000 8.429


<r2> (average value of r2) Å2
<r2> 234.317
(<r2>)1/2 15.307