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

using model chemistry: B3LYP/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 B3LYP/CEP-121G*
 hartrees
Energy at 0K-137.911881
Energy at 298.15K-137.913806
HF Energy-137.911881
Nuclear repulsion energy238.019321
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/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 1259 1221 0.00      
2 Ag 1037 1006 0.00      
3 Ag 687 666 0.00      
4 Ag 426 413 0.00      
5 Ag 347 337 0.00      
6 Ag 241 234 0.00      
7 Au 1185 1148 404.03      
8 Au 363 352 0.46      
9 Au 217 211 1.70      
10 Au 58 57 0.23      
11 Bg 1177 1141 0.00      
12 Bg 527 511 0.00      
13 Bg 311 302 0.00      
14 Bu 1124 1089 382.02      
15 Bu 822 797 406.51      
16 Bu 591 573 12.09      
17 Bu 421 408 0.48      
18 Bu 160 155 1.08      

Unscaled Zero Point Vibrational Energy (zpe) 5477.3 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 5309.7 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/CEP-121G*
ABC
0.07212 0.03735 0.03356

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.243 0.750 0.000
C2 0.243 -0.750 0.000
Cl3 -2.034 0.847 0.000
Cl4 2.034 -0.847 0.000
F5 0.243 1.374 1.097
F6 0.243 1.374 -1.097
F7 -0.243 -1.374 1.097
F8 -0.243 -1.374 -1.097

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.57741.79372.78101.35161.35162.39102.3910
C21.57742.78101.79372.39102.39101.35161.3516
Cl31.79372.78104.40622.58102.58103.05693.0569
Cl42.78101.79374.40623.05693.05692.58102.5810
F51.35162.39102.58103.05692.19312.79093.5495
F61.35162.39102.58103.05692.19313.54952.7909
F72.39101.35163.05692.58102.79093.54952.1931
F82.39101.35163.05692.58103.54952.79092.1931

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 111.000 C1 C2 F7 109.190
C1 C2 F8 109.190 C2 C1 Cl3 111.000
C2 C1 F5 109.190 C2 C1 F6 109.190
Cl3 C1 F5 109.485 Cl3 C1 F6 109.485
Cl4 C2 F7 109.485 Cl4 C2 F8 109.485
F5 C1 F6 108.447 F7 C2 F8 108.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.399      
2 C 0.399      
3 Cl -0.046      
4 Cl -0.046      
5 F -0.177      
6 F -0.177      
7 F -0.177      
8 F -0.177      


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 -51.845 -1.036 0.000
y -1.036 -56.277 0.000
z 0.000 0.000 -56.388
Traceless
 xyz
x 4.487 -1.036 0.000
y -1.036 -2.160 0.000
z 0.000 0.000 -2.327
Polar
3z2-r2-4.653
x2-y24.432
xy-1.036
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.916 -0.786 0.000
y -0.786 6.004 0.000
z 0.000 0.000 5.496


<r2> (average value of r2) Å2
<r2> 195.369
(<r2>)1/2 13.977