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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-1191.452013
Energy at 298.15K-1191.455289
HF Energy-1191.452013
Nuclear repulsion energy369.067551
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 wB97X-D/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 A 3204 3204 0.97      
2 A 1432 1432 3.80      
3 A 1306 1306 14.58      
4 A 1158 1158 161.11      
5 A 1066 1066 48.93      
6 A 776 776 79.98      
7 A 416 416 5.90      
8 A 285 285 0.80      
9 A 158 158 1.80      
10 A 76 76 1.00      
11 B 3218 3218 1.83      
12 B 1364 1364 1.89      
13 B 1252 1252 27.04      
14 B 1121 1121 8.85      
15 B 756 756 113.88      
16 B 404 404 17.57      
17 B 357 357 14.20      
18 B 322 322 12.18      

Unscaled Zero Point Vibrational Energy (zpe) 9335.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9335.4 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 wB97X-D/3-21G
ABC
0.09093 0.05945 0.03749

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.230 0.724 0.444
C2 0.230 -0.724 0.444
H3 -1.308 0.818 0.345
H4 1.308 -0.818 0.345
F5 0.230 1.327 1.601
F6 -0.230 -1.327 1.601
Cl7 0.529 1.589 -1.025
Cl8 -0.529 -1.589 -1.025

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51851.08652.17951.38292.35381.86602.7556
C21.51852.17951.08652.35381.38292.75561.8660
H31.08652.17953.08472.04982.70862.41722.8760
H42.17951.08653.08472.70862.04982.87602.4172
F51.38292.35382.04982.70862.69282.65523.9958
F62.35381.38292.70862.04982.69283.99582.6552
Cl71.86602.75562.41722.87602.65523.99583.3487
Cl82.75561.86602.87602.41723.99582.65523.3487

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 112.521 C1 C2 F6 108.346
C1 C2 Cl8 108.576 C2 C1 H3 112.521
C2 C1 F5 108.346 C2 C1 Cl7 108.576
H3 C1 F5 111.656 H3 C1 Cl7 106.926
H4 C2 F6 111.656 H4 C2 Cl8 106.926
F5 C1 Cl7 108.710 F6 C2 Cl8 108.710
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.086      
2 C -0.086      
3 H 0.311      
4 H 0.311      
5 F -0.256      
6 F -0.256      
7 Cl 0.031      
8 Cl 0.031      


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 0.532 0.532
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.657 -3.476 0.000
y -3.476 -51.973 0.000
z 0.000 0.000 -51.405
Traceless
 xyz
x 7.032 -3.476 0.000
y -3.476 -3.942 0.000
z 0.000 0.000 -3.091
Polar
3z2-r2-6.181
x2-y27.316
xy-3.476
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.105 1.015 0.000
y 1.015 5.293 0.000
z 0.000 0.000 6.680


<r2> (average value of r2) Å2
<r2> 254.861
(<r2>)1/2 15.964