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

using model chemistry: MP3=FULL/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 MP3=FULL/6-31G**
 hartrees
Energy at 0K-1195.655938
Energy at 298.15K-1195.659551
HF Energy-1194.720778
Nuclear repulsion energy378.053082
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 MP3=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3233 3233 0.78      
2 A 1468 1468 9.05      
3 A 1371 1371 29.57      
4 A 1193 1193 137.43      
5 A 1135 1135 97.44      
6 A 883 883 69.34      
7 A 476 476 0.50      
8 A 324 324 1.35      
9 A 170 170 0.68      
10 A 86 86 0.69      
11 B 3243 3243 14.89      
12 B 1406 1406 9.01      
13 B 1298 1298 31.94      
14 B 1159 1159 21.01      
15 B 877 877 104.79      
16 B 445 445 11.97      
17 B 402 402 9.12      
18 B 347 347 13.29      

Unscaled Zero Point Vibrational Energy (zpe) 9757.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9757.2 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 MP3=FULL/6-31G**
ABC
0.09886 0.06043 0.03894

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.725 0.389
C2 0.228 -0.725 0.389
H3 -1.311 0.793 0.359
H4 1.311 -0.793 0.359
F5 0.228 1.278 1.550
F6 -0.228 -1.278 1.550
Cl7 0.440 1.616 -0.979
Cl8 -0.440 -1.616 -0.979

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52101.08462.16191.36462.31551.76462.7206
C21.52102.16191.08462.31551.36462.72061.7646
H31.08462.16193.06322.00612.62272.35252.8896
H42.16191.08463.06322.62272.00612.88962.3525
F51.36462.31552.00612.62272.59672.56063.9017
F62.31551.36462.62272.00612.59673.90172.5606
Cl71.76462.72062.35252.88962.56063.90173.3507
Cl82.72061.76462.88962.35253.90172.56063.3507

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 111.025 C1 C2 F6 106.605
C1 C2 Cl8 111.580 C2 C1 H3 111.025
C2 C1 F5 106.605 C2 C1 Cl7 111.580
H3 C1 F5 109.453 H3 C1 Cl7 108.963
H4 C2 F6 109.453 H4 C2 Cl8 108.963
F5 C1 Cl7 109.164 F6 C2 Cl8 109.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability