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

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-1395.130481
Energy at 298.15K-1395.132306
HF Energy-1395.130481
Nuclear repulsion energy608.252752
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/6-31G(2df,p)
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 1240 1227 0.00      
2 Ag 985 975 0.00      
3 Ag 686 679 0.00      
4 Ag 414 409 0.00      
5 Ag 345 342 0.00      
6 Ag 238 235 0.00      
7 Au 1196 1183 320.91      
8 Au 355 351 0.66      
9 Au 202 200 1.29      
10 Au 54 54 0.00      
11 Bg 1173 1161 0.00      
12 Bg 521 515 0.00      
13 Bg 303 300 0.00      
14 Bu 1124 1113 300.42      
15 Bu 784 776 402.07      
16 Bu 591 585 10.23      
17 Bu 412 408 0.50      
18 Bu 155 154 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 5389.1 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 5333.6 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/6-31G(2df,p)
ABC
0.07287 0.03808 0.03421

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.746 0.000
C2 0.233 -0.746 0.000
Cl3 -2.027 0.811 0.000
Cl4 2.027 -0.811 0.000
F5 0.233 1.361 1.092
F6 0.233 1.361 -1.092
F7 -0.233 -1.361 1.092
F8 -0.233 -1.361 -1.092

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.56411.79452.74441.33701.33702.37352.3735
C21.56412.74441.79452.37352.37351.33701.3370
Cl31.79452.74444.36552.56932.56933.02093.0209
Cl42.74441.79454.36553.02093.02092.56932.5693
F51.33702.37352.56933.02092.18422.76143.5208
F61.33702.37352.56933.02092.18423.52082.7614
F72.37351.33703.02092.56932.76143.52082.1842
F82.37351.33703.02092.56933.52082.76142.1842

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 109.409 C1 C2 F7 109.548
C1 C2 F8 109.548 C2 C1 Cl3 109.409
C2 C1 F5 109.548 C2 C1 F6 109.548
Cl3 C1 F5 109.394 Cl3 C1 F6 109.394
Cl4 C2 F7 109.394 Cl4 C2 F8 109.394
F5 C1 F6 109.533 F7 C2 F8 109.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.161      
2 C 0.161      
3 Cl -0.123      
4 Cl -0.123      
5 F -0.019      
6 F -0.019      
7 F -0.019      
8 F -0.019      


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 -54.078 0.037 0.000
y 0.037 -55.336 0.000
z 0.000 0.000 -55.700
Traceless
 xyz
x 1.440 0.037 0.000
y 0.037 -0.446 0.000
z 0.000 0.000 -0.993
Polar
3z2-r2-1.986
x2-y21.257
xy0.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.325 -0.916 0.000
y -0.916 6.443 0.000
z 0.000 0.000 6.057


<r2> (average value of r2) Å2
<r2> 315.268
(<r2>)1/2 17.756