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

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-1196.287331
Energy at 298.15K-1196.290903
HF Energy-1194.909140
Nuclear repulsion energy380.649441
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 MP2=FULL/aug-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 3161 3008 0.05      
2 A 1419 1350 5.46      
3 A 1305 1241 10.17      
4 A 1163 1107 74.98      
5 A 1091 1038 187.52      
6 A 865 823 77.13      
7 A 475 452 0.27      
8 A 317 301 1.17      
9 A 170 162 0.37      
10 A 81 77 0.55      
11 B 3173 3019 6.80      
12 B 1356 1290 5.28      
13 B 1254 1193 19.36      
14 B 1095 1042 25.18      
15 B 862 820 83.78      
16 B 442 420 9.89      
17 B 399 379 7.06      
18 B 339 322 10.16      

Unscaled Zero Point Vibrational Energy (zpe) 9482.3 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 9021.4 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 MP2=FULL/aug-cc-pVTZ
ABC
0.09894 0.06219 0.03971

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.225 0.722 0.397
C2 0.225 -0.722 0.397
H3 -1.306 0.793 0.361
H4 1.306 -0.793 0.361
F5 0.225 1.296 1.546
F6 -0.225 -1.296 1.546
Cl7 0.453 1.571 -0.980
Cl8 -0.453 -1.571 -0.980

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51171.08422.15381.36062.32151.75382.6836
C21.51172.15381.08422.32151.36062.68361.7538
H31.08422.15383.05582.00022.63342.34482.8479
H42.15381.08423.05582.63342.00022.84792.3448
F51.36062.32152.00022.63342.63052.55023.8799
F62.32151.36062.63342.00022.63053.87992.5502
Cl71.75382.68362.34482.84792.55023.87993.2698
Cl82.68361.75382.84792.34483.87992.55023.2698

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 111.059 C1 C2 F6 107.734
C1 C2 Cl8 110.317 C2 C1 H3 111.059
C2 C1 F5 107.734 C2 C1 Cl7 110.317
H3 C1 F5 109.272 H3 C1 Cl7 109.137
H4 C2 F6 109.272 H4 C2 Cl8 109.137
F5 C1 Cl7 109.290 F6 C2 Cl8 109.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability