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: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-1195.682376
Energy at 298.15K-1195.682938
HF Energy-1195.399951
Nuclear repulsion energy352.052086
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 B2PLYP/6-31G*
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 1809 1717 153.32      
2 A1 1057 1004 168.10      
3 A1 629 597 3.45      
4 A1 437 415 0.50      
5 A1 264 250 0.07      
6 A2 156 148 0.00      
7 B1 586 556 9.55      
8 B1 327 310 0.00      
9 B2 1379 1309 129.48      
10 B2 997 946 132.48      
11 B2 462 438 0.87      
12 B2 189 179 2.52      

Unscaled Zero Point Vibrational Energy (zpe) 4145.2 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 3934.6 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 B2PLYP/6-31G*
ABC
0.08491 0.07301 0.03926

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.097
C2 0.000 0.000 -0.237
F3 0.000 1.094 1.833
F4 0.000 -1.094 1.833
Cl5 0.000 1.480 -1.122
Cl6 0.000 -1.480 -1.122

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33411.31851.31852.66712.6671
C21.33412.34172.34171.72401.7240
F31.31852.34172.18742.98063.9187
F41.31852.34172.18743.91872.9806
Cl52.66711.72402.98063.91872.9590
Cl62.66711.72403.91872.98062.9590

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 120.886 C1 C2 Cl6 120.886
C2 C1 F3 123.953 C2 C1 F4 123.953
F3 C1 F4 112.094 Cl5 C2 Cl6 118.228
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.654      
2 C -0.345      
3 F -0.226      
4 F -0.226      
5 Cl 0.072      
6 Cl 0.072      


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 0.324 0.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.126 0.000 0.000
y 0.000 -45.374 0.000
z 0.000 0.000 -45.712
Traceless
 xyz
x 0.417 0.000 0.000
y 0.000 0.045 0.000
z 0.000 0.000 -0.462
Polar
3z2-r2-0.924
x2-y20.248
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.002 0.000 0.000
y 0.000 7.297 0.000
z 0.000 0.000 7.408


<r2> (average value of r2) Å2
<r2> 235.186
(<r2>)1/2 15.336