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 CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-1396.064112
Energy at 298.15K-1396.066253
HF Energy-1396.064112
Nuclear repulsion energy612.476035
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 wB97X-D/aug-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 Ag 1289 1233 0.00      
2 Ag 1059 1013 0.00      
3 Ag 714 683 0.00      
4 Ag 442 423 0.00      
5 Ag 362 346 0.00      
6 Ag 250 239 0.00      
7 Au 1222 1169 360.96      
8 Au 377 360 0.31      
9 Au 225 216 1.01      
10 Au 64 61 0.13      
11 Bg 1213 1160 0.00      
12 Bg 547 524 0.00      
13 Bg 323 309 0.00      
14 Bu 1161 1111 353.38      
15 Bu 843 807 387.78      
16 Bu 617 590 10.54      
17 Bu 438 419 0.33      
18 Bu 165 158 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 5654.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5409.3 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 wB97X-D/aug-cc-pVTZ
ABC
0.07408 0.03853 0.03457

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.235 0.746 0.000
C2 0.235 -0.746 0.000
Cl3 -2.002 0.832 0.000
Cl4 2.002 -0.832 0.000
F5 0.235 1.360 1.082
F6 0.235 1.360 -1.082
F7 -0.235 -1.360 1.082
F8 -0.235 -1.360 -1.082

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56501.76902.73751.32901.32902.36772.3677
C21.56502.73751.76902.36772.36771.32901.3290
Cl31.76902.73754.33552.53952.53953.01613.0161
Cl42.73751.76904.33553.01613.01612.53952.5395
F51.32902.36772.53953.01612.16302.75983.5064
F61.32902.36772.53953.01612.16303.50642.7598
F72.36771.32903.01612.53952.75983.50642.1630
F82.36771.32903.01612.53953.50642.75982.1630

picture of 1,2-Dichloro-1,1,2,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 110.235 C1 C2 F7 109.530
C1 C2 F8 109.530 C2 C1 Cl3 110.235
C2 C1 F5 109.530 C2 C1 F6 109.530
Cl3 C1 F5 109.293 Cl3 C1 F6 109.293
Cl4 C2 F7 109.293 Cl4 C2 F8 109.293
F5 C1 F6 108.939 F7 C2 F8 108.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.909      
2 C 0.909      
3 Cl -0.197      
4 Cl -0.197      
5 F -0.356      
6 F -0.356      
7 F -0.356      
8 F -0.356      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -53.429 -0.835 0.000
y -0.835 -56.988 0.000
z 0.000 0.000 -57.362
Traceless
 xyz
x 3.746 -0.835 0.000
y -0.835 -1.592 0.000
z 0.000 0.000 -2.153
Polar
3z2-r2-4.307
x2-y23.559
xy-0.835
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.672 -0.790 0.000
y -0.790 7.708 0.000
z 0.000 0.000 7.347


<r2> (average value of r2) Å2
<r2> 312.441
(<r2>)1/2 17.676