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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-1196.956452
Energy at 298.15K-1196.959761
HF Energy-1196.956452
Nuclear repulsion energy373.376215
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 PBEPBEultrafine/TZVP
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 3039 3005 0.08      
2 A 1342 1327 5.51      
3 A 1244 1229 6.83      
4 A 1070 1058 140.28      
5 A 1017 1006 143.35      
6 A 788 779 110.09      
7 A 439 434 2.82      
8 A 302 299 1.17      
9 A 160 159 0.64      
10 A 71 70 0.55      
11 B 3052 3017 9.79      
12 B 1296 1281 4.21      
13 B 1185 1172 25.75      
14 B 1022 1010 33.29      
15 B 777 768 95.96      
16 B 420 415 12.01      
17 B 372 368 7.56      
18 B 314 311 10.24      

Unscaled Zero Point Vibrational Energy (zpe) 8955.6 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8853.5 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 PBEPBEultrafine/TZVP
ABC
0.09559 0.05934 0.03812

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.220 0.736 0.405
C2 0.220 -0.736 0.405
H3 -1.312 0.835 0.341
H4 1.312 -0.835 0.341
F5 0.220 1.312 1.571
F6 -0.220 -1.312 1.571
Cl7 0.500 1.605 -0.995
Cl8 -0.500 -1.605 -0.995

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53611.09812.19471.37362.35731.79822.7422
C21.53612.19471.09812.35731.37362.74221.7982
H31.09812.19473.10952.02162.70482.37942.8982
H42.19471.09813.10952.70482.02162.89822.3794
F51.37362.35732.02162.70482.66152.59823.9521
F62.35731.37362.70482.02162.66153.95212.5982
Cl71.79822.74222.37942.89822.59823.95213.3630
Cl82.74221.79822.89822.37943.95212.59823.3630

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 111.772 C1 C2 F6 108.092
C1 C2 Cl8 110.411 C2 C1 H3 111.772
C2 C1 F5 108.092 C2 C1 Cl7 110.411
H3 C1 F5 109.240 H3 C1 Cl7 108.026
H4 C2 F6 109.240 H4 C2 Cl8 108.026
F5 C1 Cl7 109.271 F6 C2 Cl8 109.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 C -0.005      
3 H 0.183      
4 H 0.183      
5 F -0.134      
6 F -0.134      
7 Cl -0.045      
8 Cl -0.045      


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 -0.456 0.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.872 -2.351 0.000
y -2.351 -50.215 0.000
z 0.000 0.000 -50.511
Traceless
 xyz
x 5.491 -2.351 0.000
y -2.351 -2.524 0.000
z 0.000 0.000 -2.968
Polar
3z2-r2-5.935
x2-y25.343
xy-2.351
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.848 0.783 0.000
y 0.783 7.389 0.000
z 0.000 0.000 8.007


<r2> (average value of r2) Å2
<r2> 250.545
(<r2>)1/2 15.829