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: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-305.708523
Energy at 298.15K-305.708841
HF Energy-305.708523
Nuclear repulsion energy186.937892
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 B3LYP/LANL2DZ
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 1776 1707 93.91      
2 A1 966 929 160.45      
3 A1 567 545 5.48      
4 A1 394 379 0.83      
5 A1 245 236 0.08      
6 A2 144 138 0.00      
7 B1 557 535 12.26      
8 B1 314 302 0.04      
9 B2 1220 1173 123.77      
10 B2 903 868 126.78      
11 B2 432 415 1.58      
12 B2 174 167 4.08      

Unscaled Zero Point Vibrational Energy (zpe) 3845.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 3696.4 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 B3LYP/LANL2DZ
ABC
0.08007 0.06917 0.03711

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.112
C2 0.000 0.000 -0.226
F3 0.000 1.127 1.885
F4 0.000 -1.127 1.885
Cl5 0.000 1.523 -1.154
Cl6 0.000 -1.523 -1.154

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.33851.36671.36672.73082.7308
C21.33852.39372.39371.78371.7837
F31.36672.39372.25353.06574.0329
F41.36672.39372.25354.03293.0657
Cl52.73081.78373.06574.03293.0466
Cl62.73081.78374.03293.06573.0466

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 121.348 C1 C2 Cl6 121.348
C2 C1 F3 124.469 C2 C1 F4 124.469
F3 C1 F4 111.062 Cl5 C2 Cl6 117.304
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.567      
2 C -0.327      
3 F -0.173      
4 F -0.173      
5 Cl 0.053      
6 Cl 0.053      


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 -0.580 0.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.169 0.000 0.000
y 0.000 -45.897 0.000
z 0.000 0.000 -47.425
Traceless
 xyz
x 2.492 0.000 0.000
y 0.000 -0.100 0.000
z 0.000 0.000 -2.392
Polar
3z2-r2-4.783
x2-y21.728
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.923 0.000 0.000
y 0.000 7.308 0.000
z 0.000 0.000 6.860


<r2> (average value of r2) Å2
<r2> 174.338
(<r2>)1/2 13.204