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

using model chemistry: CID/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 CID/6-31G*
 hartrees
Energy at 0K-1195.456470
Energy at 298.15K-1195.460162
HF Energy-1194.718069
Nuclear repulsion energy379.345782
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 CID/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 3287 3036 1.17      
2 A 1509 1394 9.61      
3 A 1408 1300 31.09      
4 A 1225 1132 163.02      
5 A 1166 1077 100.87      
6 A 908 838 80.38      
7 A 490 452 0.67      
8 A 333 308 1.49      
9 A 174 161 0.75      
10 A 88 81 0.79      
11 B 3297 3046 12.80      
12 B 1444 1333 10.09      
13 B 1333 1231 32.38      
14 B 1191 1100 24.21      
15 B 900 831 121.61      
16 B 458 423 13.47      
17 B 414 382 9.67      
18 B 358 331 14.40      

Unscaled Zero Point Vibrational Energy (zpe) 9991.0 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 9228.7 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 CID/6-31G*
ABC
0.09997 0.06058 0.03916

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.228 0.724 0.387
C2 0.228 -0.724 0.387
H3 -1.308 0.794 0.360
H4 1.308 -0.794 0.360
F5 0.228 1.272 1.541
F6 -0.228 -1.272 1.541
Cl7 0.438 1.617 -0.974
Cl8 -0.438 -1.617 -0.974

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51781.08282.15961.35632.30541.75882.7159
C21.51782.15961.08282.30541.35632.71591.7588
H31.08282.15963.06051.99552.61352.34632.8896
H42.15961.08283.06052.61351.99552.88962.3463
F51.35632.30541.99552.61352.58462.54713.8878
F62.30541.35632.61351.99552.58463.88782.5471
Cl71.75882.71592.34632.88962.54713.88783.3505
Cl82.71591.75882.88962.34633.88782.54713.3505

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 111.187 C1 C2 F6 106.535
C1 C2 Cl8 111.757 C2 C1 H3 111.187
C2 C1 F5 106.535 C2 C1 Cl7 111.757
H3 C1 F5 109.287 H3 C1 Cl7 108.988
H4 C2 F6 109.287 H4 C2 Cl8 108.988
F5 C1 Cl7 109.019 F6 C2 Cl8 109.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability