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

using model chemistry: PBEPBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/3-21G*
 hartrees
Energy at 0K-1388.321203
Energy at 298.15K-1388.322795
HF Energy-1388.321203
Nuclear repulsion energy601.623676
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 PBEPBE/3-21G*
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 1189 1134 0.00      
2 Ag 949 905 0.00      
3 Ag 647 617 0.00      
4 Ag 387 369 0.00      
5 Ag 331 315 0.00      
6 Ag 247 235 0.00      
7 Au 1216 1159 251.58      
8 Au 333 318 2.11      
9 Au 194 185 2.68      
10 Au 45 43 0.01      
11 Bg 1164 1110 0.00      
12 Bg 491 468 0.00      
13 Bg 286 272 0.00      
14 Bu 1106 1054 268.69      
15 Bu 755 720 420.74      
16 Bu 549 524 15.72      
17 Bu 385 367 0.45      
18 Bu 158 151 3.46      

Unscaled Zero Point Vibrational Energy (zpe) 5215.4 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 4972.9 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 PBEPBE/3-21G*
ABC
0.07005 0.03771 0.03408

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.238 0.738 0.000
C2 0.238 -0.738 0.000
Cl3 -2.041 0.777 0.000
Cl4 2.041 -0.777 0.000
F5 0.238 1.368 1.127
F6 0.238 1.368 -1.127
F7 -0.238 -1.368 1.127
F8 -0.238 -1.368 -1.127

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55071.80332.73711.37641.37642.38872.3887
C21.55072.73711.80332.38872.38871.37641.3764
Cl31.80332.73714.36832.61062.61063.02073.0207
Cl42.73711.80334.36833.02073.02072.61062.6106
F51.37642.38872.61063.02072.25362.77813.5772
F61.37642.38872.61063.02072.25363.57722.7781
F72.38871.37643.02072.61062.77813.57722.2536
F82.38871.37643.02072.61063.57722.77812.2536

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 109.157 C1 C2 F7 109.244
C1 C2 F8 109.244 C2 C1 Cl3 109.157
C2 C1 F5 109.244 C2 C1 F6 109.244
Cl3 C1 F5 109.641 Cl3 C1 F6 109.641
Cl4 C2 F7 109.641 Cl4 C2 F8 109.641
F5 C1 F6 109.898 F7 C2 F8 109.898
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.343      
2 C 0.343      
3 Cl 0.063      
4 Cl 0.063      
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 -54.405 -0.102 0.000
y -0.102 -56.802 0.000
z 0.000 0.000 -56.961
Traceless
 xyz
x 2.476 -0.102 0.000
y -0.102 -1.119 0.000
z 0.000 0.000 -1.358
Polar
3z2-r2-2.715
x2-y22.397
xy-0.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.218 -0.684 0.000
y -0.684 4.514 0.000
z 0.000 0.000 4.573


<r2> (average value of r2) Å2
<r2> 319.596
(<r2>)1/2 17.877