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

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-1197.570539
Energy at 298.15K-1197.573887
HF Energy-1197.570539
Nuclear repulsion energy374.639267
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 TPSSh/aug-cc-pVDZ
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 3131 3029 0.06      
2 A 1371 1327 3.79      
3 A 1262 1220 7.19      
4 A 1109 1073 87.41      
5 A 1038 1004 189.29      
6 A 806 780 102.99      
7 A 445 430 1.44      
8 A 297 287 1.01      
9 A 157 152 0.37      
10 A 73 71 0.64      
11 B 3142 3039 6.89      
12 B 1307 1264 5.13      
13 B 1206 1167 22.83      
14 B 1038 1004 32.56      
15 B 795 769 94.81      
16 B 421 407 10.33      
17 B 373 360 7.08      
18 B 320 309 11.08      

Unscaled Zero Point Vibrational Energy (zpe) 9144.3 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 8845.3 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 TPSSh/aug-cc-pVDZ
ABC
0.09648 0.05976 0.03842

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.731 0.400
C2 0.226 -0.731 0.400
H3 -1.315 0.833 0.350
H4 1.315 -0.833 0.350
F5 0.226 1.310 1.565
F6 -0.226 -1.310 1.565
Cl7 0.488 1.601 -0.990
Cl8 -0.488 -1.601 -0.990

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53111.09472.19641.37672.35051.78882.7283
C21.53112.19641.09472.35051.37672.72831.7888
H31.09472.19643.11292.01912.69352.37422.8993
H42.19641.09473.11292.69352.01912.89932.3742
F51.37672.35052.01912.69352.65912.58493.9389
F62.35051.37672.69352.01912.65913.93892.5849
Cl71.78882.72832.37422.89932.58493.93893.3480
Cl82.72831.78882.89932.37423.93892.58493.3480

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 112.474 C1 C2 F6 107.748
C1 C2 Cl8 110.292 C2 C1 H3 112.474
C2 C1 F5 107.748 C2 C1 Cl7 110.292
H3 C1 F5 109.034 H3 C1 Cl7 108.437
H4 C2 F6 109.034 H4 C2 Cl8 108.437
F5 C1 Cl7 108.790 F6 C2 Cl8 108.790
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.594      
2 C 0.594      
3 H -0.082      
4 H -0.082      
5 F -0.427      
6 F -0.427      
7 Cl -0.085      
8 Cl -0.085      


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 -0.416 0.416
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.122 0.737 0.000
y 0.737 8.940 0.000
z 0.000 0.000 9.019


<r2> (average value of r2) Å2
<r2> 248.780
(<r2>)1/2 15.773