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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-135.582780
Energy at 298.15K-135.585015
HF Energy-135.582780
Nuclear repulsion energy236.742780
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 1368 1249 0.00      
2 Ag 1141 1042 0.00      
3 Ag 699 638 0.00      
4 Ag 451 412 0.00      
5 Ag 365 333 0.00      
6 Ag 262 239 0.00      
7 Au 1255 1146 385.48      
8 Au 376 343 2.42      
9 Au 233 212 4.59      
10 Au 69 63 0.87      
11 Bg 1253 1143 0.00      
12 Bg 558 509 0.00      
13 Bg 327 299 0.00      
14 Bu 1180 1077 383.17      
15 Bu 888 810 318.49      
16 Bu 591 539 27.46      
17 Bu 440 402 14.70      
18 Bu 171 156 2.16      

Unscaled Zero Point Vibrational Energy (zpe) 5813.5 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 5304.8 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
0.07162 0.03684 0.03326

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 -0.250 0.736 0.000
C2 0.250 -0.736 0.000
Cl3 -2.049 0.855 0.000
Cl4 2.049 -0.855 0.000
F5 0.250 1.371 1.106
F6 0.250 1.371 -1.106
F7 -0.250 -1.371 1.106
F8 -0.250 -1.371 -1.106

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55451.80292.79601.37021.37022.37982.3798
C21.55452.79601.80292.37982.37981.37021.3702
Cl31.80292.79604.44062.60312.60313.06863.0686
Cl42.79601.80294.44063.06863.06862.60312.6031
F51.37022.37982.60313.06862.21262.78743.5588
F61.37022.37982.60313.06862.21263.55882.7874
F72.37981.37023.06862.60312.78743.55882.2126
F82.37981.37023.06862.60313.55882.78742.2126

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 112.560 C1 C2 F7 108.750
C1 C2 F8 108.750 C2 C1 Cl3 112.560
C2 C1 F5 108.750 C2 C1 F6 108.750
Cl3 C1 F5 109.487 Cl3 C1 F6 109.487
Cl4 C2 F7 109.487 Cl4 C2 F8 109.487
F5 C1 F6 107.683 F7 C2 F8 107.683
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 0.227      
2 C 0.227      
3 Cl 0.179      
4 Cl 0.179      
5 F -0.203      
6 F -0.203      
7 F -0.203      
8 F -0.203      


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 -53.573 -2.099 0.000
y -2.099 -59.690 0.000
z 0.000 0.000 -60.294
Traceless
 xyz
x 6.419 -2.099 0.000
y -2.099 -2.757 0.000
z 0.000 0.000 -3.663
Polar
3z2-r2-7.325
x2-y26.117
xy-2.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.009 -0.587 0.000
y -0.587 4.409 0.000
z 0.000 0.000 4.315


<r2> (average value of r2) Å2
<r2> 198.638
(<r2>)1/2 14.094