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

using model chemistry: B3LYP/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 B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-1395.980594
Energy at 298.15K-1395.982605
HF Energy-1395.980594
Nuclear repulsion energy610.858901
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/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 1289 1244 0.00      
2 Ag 1030 994 0.00      
3 Ag 707 683 0.00      
4 Ag 427 412 0.00      
5 Ag 358 346 0.00      
6 Ag 247 238 0.00      
7 Au 1238 1195 329.74      
8 Au 367 354 0.78      
9 Au 214 207 1.49      
10 Au 59 57 0.02      
11 Bg 1221 1178 0.00      
12 Bg 540 521 0.00      
13 Bg 316 305 0.00      
14 Bu 1164 1123 315.68      
15 Bu 813 784 408.79      
16 Bu 610 589 11.43      
17 Bu 426 411 0.20      
18 Bu 162 156 1.13      

Unscaled Zero Point Vibrational Energy (zpe) 5592.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 5397.0 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/6-31G(2df,p)
ABC
0.07390 0.03826 0.03439

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.233 0.743 0.000
C2 0.233 -0.743 0.000
Cl3 -2.021 0.818 0.000
Cl4 2.021 -0.818 0.000
F5 0.233 1.353 1.084
F6 0.233 1.353 -1.084
F7 -0.233 -1.353 1.084
F8 -0.233 -1.353 -1.084

Atom - Atom Distances (Å)
  C1 C2 Cl3 Cl4 F5 F6 F7 F8
C11.55721.78962.74161.32811.32812.35962.3596
C21.55722.74161.78962.35962.35961.32811.3281
Cl31.78962.74164.36042.55762.55763.01403.0140
Cl42.74161.78964.36043.01403.01402.55762.5576
F51.32812.35962.55763.01402.16772.74583.4983
F61.32812.35962.55763.01402.16773.49832.7458
F72.35961.32813.01402.55762.74583.49832.1677
F82.35961.32813.01402.55763.49832.74582.1677

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 109.809 C1 C2 F7 109.470
C1 C2 F8 109.470 C2 C1 Cl3 109.809
C2 C1 F5 109.470 C2 C1 F6 109.470
Cl3 C1 F5 109.346 Cl3 C1 F6 109.346
Cl4 C2 F7 109.346 Cl4 C2 F8 109.346
F5 C1 F6 109.386 F7 C2 F8 109.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.233      
2 C 0.233      
3 Cl -0.132      
4 Cl -0.132      
5 F -0.050      
6 F -0.050      
7 F -0.050      
8 F -0.050      


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 -53.888 -0.211 0.000
y -0.211 -55.709 0.000
z 0.000 0.000 -56.127
Traceless
 xyz
x 2.030 -0.211 0.000
y -0.211 -0.701 0.000
z 0.000 0.000 -1.329
Polar
3z2-r2-2.658
x2-y21.821
xy-0.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.923 -0.869 0.000
y -0.869 6.204 0.000
z 0.000 0.000 5.852


<r2> (average value of r2) Å2
<r2> 313.531
(<r2>)1/2 17.707