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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-1182.940189
Energy at 298.15K-1182.942951
HF Energy-1182.940189
Nuclear repulsion energy359.893390
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/STO-3G
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 3192 2917 0.44      
2 A 1393 1273 19.69      
3 A 1263 1154 15.38      
4 A 1217 1112 115.54      
5 A 975 891 1.22      
6 A 788 720 51.64      
7 A 433 395 8.20      
8 A 256 234 0.13      
9 A 132 121 0.54      
10 A 47 43 1.27      
11 B 3200 2923 3.38      
12 B 1359 1242 12.12      
13 B 1216 1111 4.02      
14 B 1195 1092 27.83      
15 B 779 712 74.76      
16 B 427 391 10.39      
17 B 360 329 3.70      
18 B 278 254 10.54      

Unscaled Zero Point Vibrational Energy (zpe) 9256.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 8456.7 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 PBEPBE/STO-3G
ABC
0.08773 0.05474 0.03577

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.184 0.789 0.425
C2 0.184 -0.789 0.425
H3 -1.277 0.943 0.193
H4 1.277 -0.943 0.193
F5 0.184 1.367 1.625
F6 -0.184 -1.367 1.625
Cl7 0.748 1.585 -1.022
Cl8 -0.748 -1.585 -1.022

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.62041.12802.27741.38192.46801.89572.8367
C21.62042.27741.12802.46801.38192.83671.8957
H31.12802.27743.17452.08872.92982.44702.8539
H42.27741.12803.17452.92982.08872.85392.4470
F51.38192.46802.08872.92982.75912.71494.0728
F62.46801.38192.92982.08872.75914.07282.7149
Cl71.89572.83672.44702.85392.71494.07283.5053
Cl82.83671.89572.85392.44704.07282.71493.5053

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 110.641 C1 C2 F6 110.323
C1 C2 Cl8 107.302 C2 C1 H3 110.641
C2 C1 F5 110.323 C2 C1 Cl7 107.302
H3 C1 F5 112.263 H3 C1 Cl7 105.211
H4 C2 F6 112.263 H4 C2 Cl8 105.211
F5 C1 Cl7 110.882 F6 C2 Cl8 110.882
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.061      
2 C 0.061      
3 H 0.122      
4 H 0.122      
5 F -0.015      
6 F -0.015      
7 Cl -0.169      
8 Cl -0.169      


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 2.743 2.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.027 -3.556 0.000
y -3.556 -46.448 0.000
z 0.000 0.000 -44.585
Traceless
 xyz
x 3.489 -3.556 0.000
y -3.556 -3.142 0.000
z 0.000 0.000 -0.348
Polar
3z2-r2-0.695
x2-y24.421
xy-3.556
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.540 0.918 0.000
y 0.918 3.222 0.000
z 0.000 0.000 4.667


<r2> (average value of r2) Å2
<r2> 264.570
(<r2>)1/2 16.266