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

using model chemistry: PBEPBEultrafine/6-31G**

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/6-31G**
 hartrees
Energy at 0K-1196.786391
Energy at 298.15K-1196.789701
HF Energy-1196.786391
Nuclear repulsion energy373.615134
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/6-31G**
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 3040 2998 0.36      
2 A 1355 1336 9.83      
3 A 1256 1239 13.93      
4 A 1105 1090 211.54      
5 A 1046 1032 44.39      
6 A 794 783 97.95      
7 A 438 432 4.46      
8 A 302 298 1.08      
9 A 157 155 0.66      
10 A 76 75 0.54      
11 B 3052 3010 16.34      
12 B 1304 1286 5.60      
13 B 1193 1176 30.48      
14 B 1080 1065 23.75      
15 B 776 766 112.86      
16 B 421 415 10.07      
17 B 370 365 6.68      
18 B 317 313 11.02      

Unscaled Zero Point Vibrational Energy (zpe) 9040.3 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 8916.5 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/6-31G**
ABC
0.09603 0.05919 0.03811

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.222 0.736 0.401
C2 0.222 -0.736 0.401
H3 -1.319 0.826 0.334
H4 1.319 -0.826 0.334
F5 0.222 1.292 1.570
F6 -0.222 -1.292 1.570
Cl7 0.491 1.620 -0.992
Cl8 -0.491 -1.620 -0.992

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53771.10202.19511.36832.34051.79822.7504
C21.53772.19511.10202.34051.36832.75041.7982
H31.10202.19513.11172.02982.68592.38032.9023
H42.19511.10203.11172.68592.02982.90232.3803
F51.36832.34052.02982.68592.62242.59683.9438
F62.34051.36832.68592.02982.62243.94382.5968
Cl71.79822.75042.38032.90232.59683.94383.3854
Cl82.75041.79822.90232.38033.94382.59683.3854

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 111.453 C1 C2 F6 107.159
C1 C2 Cl8 110.832 C2 C1 H3 111.453
C2 C1 F5 107.159 C2 C1 Cl7 110.832
H3 C1 F5 110.047 H3 C1 Cl7 107.902
H4 C2 F6 110.047 H4 C2 Cl8 107.902
F5 C1 Cl7 109.443 F6 C2 Cl8 109.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.053      
2 C 0.053      
3 H 0.182      
4 H 0.182      
5 F -0.223      
6 F -0.223      
7 Cl -0.012      
8 Cl -0.012      


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 0.203 0.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.298 -2.272 0.000
y -2.272 -49.409 0.000
z 0.000 0.000 -48.835
Traceless
 xyz
x 4.824 -2.272 0.000
y -2.272 -2.843 0.000
z 0.000 0.000 -1.981
Polar
3z2-r2-3.962
x2-y25.111
xy-2.272
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.165 0.808 0.000
y 0.808 6.752 0.000
z 0.000 0.000 7.192


<r2> (average value of r2) Å2
<r2> 249.966
(<r2>)1/2 15.810