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/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-1196.420815
Energy at 298.15K-1196.421389
HF Energy-1196.420815
Nuclear repulsion energy352.532322
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/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 1780 1721 172.39      
2 A1 1039 1004 184.61      
3 A1 628 607 3.48      
4 A1 432 418 0.37      
5 A1 257 248 0.12      
6 A2 154 149 0.00      
7 B1 604 584 5.53      
8 B1 327 316 0.00      
9 B2 1321 1277 141.91      
10 B2 952 920 134.83      
11 B2 456 441 1.04      
12 B2 187 181 2.29      

Unscaled Zero Point Vibrational Energy (zpe) 4068.6 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 3932.7 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/cc-pVTZ
ABC
0.08529 0.07301 0.03934

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.094
C2 0.000 0.000 -0.233
F3 0.000 1.087 1.834
F4 0.000 -1.087 1.834
Cl5 0.000 1.478 -1.123
Cl6 0.000 -1.478 -1.123

Atom - Atom Distances (Å)
  C1 C2 F3 F4 Cl5 Cl6
C11.32761.31451.31452.66452.6645
C21.32762.33522.33521.72491.7249
F31.31452.33522.17402.98203.9138
F41.31452.33522.17403.91382.9820
Cl52.66451.72492.98203.91382.9558
Cl62.66451.72493.91382.98202.9558

picture of difluorodichloroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl5 121.041 C1 C2 Cl6 121.041
C2 C1 F3 124.216 C2 C1 F4 124.216
F3 C1 F4 111.568 Cl5 C2 Cl6 117.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.408      
2 C -0.102      
3 F -0.116      
4 F -0.116      
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 0.052 0.052
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.305 0.000 0.000
y 0.000 -45.546 0.000
z 0.000 0.000 -46.193
Traceless
 xyz
x 0.565 0.000 0.000
y 0.000 0.203 0.000
z 0.000 0.000 -0.768
Polar
3z2-r2-1.535
x2-y20.241
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.107 0.000 0.000
y 0.000 8.427 0.000
z 0.000 0.000 8.389


<r2> (average value of r2) Å2
<r2> 234.942
(<r2>)1/2 15.328