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

using model chemistry: B2PLYP=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-1197.240468
Energy at 298.15K-1197.243958
HF Energy-1196.812921
Nuclear repulsion energy377.536035
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=FULL/cc-pVTZ
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 3144 3005 0.21      
2 A 1409 1347 6.35      
3 A 1302 1245 8.44      
4 A 1137 1087 134.88      
5 A 1075 1027 133.07      
6 A 833 796 92.36      
7 A 458 438 1.40      
8 A 313 299 1.27      
9 A 166 159 0.49      
10 A 78 75 0.57      
11 B 3157 3018 9.55      
12 B 1354 1294 5.48      
13 B 1243 1188 26.41      
14 B 1087 1039 26.76      
15 B 824 787 96.85      
16 B 436 416 11.15      
17 B 389 371 7.08      
18 B 332 317 10.22      

Unscaled Zero Point Vibrational Energy (zpe) 9367.6 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 8953.6 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=FULL/cc-pVTZ
ABC
0.09797 0.06061 0.03894

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.728 0.401
C2 0.223 -0.728 0.401
H3 -1.303 0.812 0.352
H4 1.303 -0.812 0.352
F5 0.223 1.298 1.553
F6 -0.223 -1.298 1.553
Cl7 0.471 1.596 -0.984
Cl8 -0.471 -1.596 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52221.08422.16841.36042.33041.77562.7161
C21.52222.16841.08422.33041.36042.71611.7756
H31.08422.16843.07062.00112.65732.35502.8766
H42.16841.08423.07062.65732.00112.87662.3550
F51.36042.33042.00112.65732.63412.56613.9102
F62.33041.36042.65732.00112.63413.91022.5661
Cl71.77562.71612.35502.87662.56613.91023.3275
Cl82.71611.77562.87662.35503.91022.56613.3275

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 111.494 C1 C2 F6 107.751
C1 C2 Cl8 110.658 C2 C1 H3 111.494
C2 C1 F5 107.751 C2 C1 Cl7 110.658
H3 C1 F5 109.363 H3 C1 Cl7 108.438
H4 C2 F6 109.363 H4 C2 Cl8 108.438
F5 C1 Cl7 109.104 F6 C2 Cl8 109.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability