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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-1197.468769
Energy at 298.15K-1197.472177
HF Energy-1197.468769
Nuclear repulsion energy374.586060
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*
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 3140 3015 0.67      
2 A 1419 1362 10.00      
3 A 1318 1265 20.91      
4 A 1138 1093 202.58      
5 A 1078 1035 57.19      
6 A 820 787 98.51      
7 A 448 430 3.70      
8 A 311 299 1.31      
9 A 162 156 0.71      
10 A 77 74 0.63      
11 B 3151 3026 15.95      
12 B 1365 1311 7.10      
13 B 1251 1202 36.52      
14 B 1110 1066 23.88      
15 B 803 771 118.93      
16 B 432 415 12.10      
17 B 382 366 7.68      
18 B 330 317 11.01      

Unscaled Zero Point Vibrational Energy (zpe) 9366.8 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 8994.9 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*
ABC
0.09703 0.05917 0.03821

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.733 0.400
C2 0.224 -0.733 0.400
H3 -1.310 0.820 0.345
H4 1.310 -0.820 0.345
F5 0.224 1.287 1.561
F6 -0.224 -1.287 1.561
Cl7 0.478 1.627 -0.988
Cl8 -0.478 -1.627 -0.988

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53231.09162.18331.36212.32991.79472.7500
C21.53232.18331.09162.32991.36212.75001.7947
H31.09162.18333.09142.01262.66442.37272.9084
H42.18331.09163.09142.66442.01262.90842.3727
F51.36212.32992.01262.66442.61312.58483.9353
F62.32991.36212.66442.01262.61313.93532.5848
Cl71.79472.75002.37272.90842.58483.93533.3918
Cl82.75001.79472.90842.37273.93532.58483.3918

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 111.518 C1 C2 F6 107.066
C1 C2 Cl8 111.250 C2 C1 H3 111.518
C2 C1 F5 107.066 C2 C1 Cl7 111.250
H3 C1 F5 109.718 H3 C1 Cl7 108.102
H4 C2 F6 109.718 H4 C2 Cl8 108.102
F5 C1 Cl7 109.163 F6 C2 Cl8 109.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.074      
2 C 0.074      
3 H 0.209      
4 H 0.209      
5 F -0.257      
6 F -0.257      
7 Cl -0.026      
8 Cl -0.026      


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 0.022 0.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.229 -2.386 0.000
y -2.386 -49.665 0.000
z 0.000 0.000 -49.321
Traceless
 xyz
x 5.264 -2.386 0.000
y -2.386 -2.890 0.000
z 0.000 0.000 -2.374
Polar
3z2-r2-4.747
x2-y25.436
xy-2.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.991 0.790 0.000
y 0.790 6.468 0.000
z 0.000 0.000 6.913


<r2> (average value of r2) Å2
<r2> 249.407
(<r2>)1/2 15.793