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All results from a given calculation for CF2ClCF2Cl (1,2-Dichloro-1,1,2,2-tetrafluoroethane)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-135.809478
Energy at 298.15K-135.811971
HF Energy-135.809478
Nuclear repulsion energy242.448720
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 HF/CEP-121G*
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 1451 1311 0.00      
2 Ag 1204 1088 0.00      
3 Ag 766 692 0.00      
4 Ag 484 437 0.00      
5 Ag 387 350 0.00      
6 Ag 271 245 0.00      
7 Au 1364 1232 465.34      
8 Au 405 366 1.06      
9 Au 242 219 2.35      
10 Au 73 66 0.30      
11 Bg 1362 1230 0.00      
12 Bg 588 531 0.00      
13 Bg 351 317 0.00      
14 Bu 1276 1153 473.36      
15 Bu 935 845 424.45      
16 Bu 658 595 18.65      
17 Bu 473 428 4.42      
18 Bu 179 162 1.42      

Unscaled Zero Point Vibrational Energy (zpe) 6234.0 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 5631.8 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 HF/CEP-121G*
ABC
0.07513 0.03855 0.03463

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.238 0.743 0.000
C2 0.238 -0.743 0.000
Cl3 -1.999 0.845 0.000
Cl4 1.999 -0.845 0.000
F5 0.238 1.350 1.073
F6 0.238 1.350 -1.073
F7 -0.238 -1.350 1.073
F8 -0.238 -1.350 -1.073

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55971.76332.74331.32181.32182.35132.3513
C21.55972.74331.76332.35132.35131.32181.3218
Cl31.76332.74334.34022.53182.53183.01143.0114
Cl42.74331.76334.34023.01143.01142.53182.5318
F51.32182.35132.53183.01142.14562.74143.4813
F61.32182.35132.53183.01142.14563.48132.7414
F72.35131.32183.01142.53182.74143.48132.1456
F82.35131.32183.01142.53183.48132.74142.1456

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 111.145 C1 C2 F7 109.098
C1 C2 F8 109.098 C2 C1 Cl3 111.145
C2 C1 F5 109.098 C2 C1 F6 109.098
Cl3 C1 F5 109.470 Cl3 C1 F6 109.470
Cl4 C2 F7 109.470 Cl4 C2 F8 109.470
F5 C1 F6 108.513 F7 C2 F8 108.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.606      
2 C 0.606      
3 Cl -0.099      
4 Cl -0.099      
5 F -0.253      
6 F -0.253      
7 F -0.253      
8 F -0.253      


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 -52.382 -1.081 0.000
y -1.081 -56.674 0.000
z 0.000 0.000 -57.019
Traceless
 xyz
x 4.464 -1.081 0.000
y -1.081 -1.973 0.000
z 0.000 0.000 -2.491
Polar
3z2-r2-4.982
x2-y24.292
xy-1.081
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.778 -0.668 0.000
y -0.668 5.404 0.000
z 0.000 0.000 4.972


<r2> (average value of r2) Å2
<r2> 190.206
(<r2>)1/2 13.792