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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-1196.907439
Energy at 298.15K-1196.910921
HF Energy-1196.624439
Nuclear repulsion energy376.125365
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 B2PLYP/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 3177 3015 0.79      
2 A 1435 1362 7.94      
3 A 1340 1272 25.18      
4 A 1152 1093 147.21      
5 A 1099 1044 101.79      
6 A 846 803 93.16      
7 A 459 436 2.27      
8 A 316 300 1.29      
9 A 165 156 0.72      
10 A 81 77 0.64      
11 B 3188 3026 14.49      
12 B 1379 1309 8.23      
13 B 1272 1207 33.62      
14 B 1116 1059 22.06      
15 B 830 788 116.09      
16 B 437 415 12.06      
17 B 389 369 8.21      
18 B 338 320 11.88      

Unscaled Zero Point Vibrational Energy (zpe) 9508.5 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 9025.5 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 B2PLYP/6-31G*
ABC
0.09773 0.05982 0.03855

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.227 0.729 0.395
C2 0.227 -0.729 0.395
H3 -1.313 0.807 0.353
H4 1.313 -0.807 0.353
F5 0.227 1.282 1.558
F6 -0.227 -1.282 1.558
Cl7 0.459 1.622 -0.985
Cl8 -0.459 -1.622 -0.985

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52641.08952.17511.36542.32281.78062.7351
C21.52642.17511.08952.32281.36542.73511.7806
H31.08952.17513.08212.01172.64502.36442.9011
H42.17511.08953.08212.64502.01172.90112.3644
F51.36542.32282.01172.64502.60362.57543.9198
F62.32281.36542.64502.01172.60363.91982.5754
Cl71.78062.73512.36442.90112.57543.91983.3708
Cl82.73511.78062.90112.36443.91982.57543.3708

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 111.407 C1 C2 F6 106.750
C1 C2 Cl8 111.370 C2 C1 H3 111.407
C2 C1 F5 106.750 C2 C1 Cl7 111.370
H3 C1 F5 109.554 H3 C1 Cl7 108.530
H4 C2 F6 109.554 H4 C2 Cl8 108.530
F5 C1 Cl7 109.192 F6 C2 Cl8 109.192
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.078      
2 C 0.078      
3 H 0.216      
4 H 0.216      
5 F -0.275      
6 F -0.275      
7 Cl -0.019      
8 Cl -0.019      


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 -0.152 0.152
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.374 -2.341 0.000
y -2.341 -49.880 0.000
z 0.000 0.000 -49.657
Traceless
 xyz
x 5.395 -2.341 0.000
y -2.341 -2.865 0.000
z 0.000 0.000 -2.530
Polar
3z2-r2-5.061
x2-y25.507
xy-2.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.916 0.760 0.000
y 0.760 6.318 0.000
z 0.000 0.000 6.811


<r2> (average value of r2) Å2
<r2> 247.541
(<r2>)1/2 15.733