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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-1195.812078
Energy at 298.15K-1195.815694
HF Energy-1194.843098
Nuclear repulsion energy378.387662
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 MP2/6-311G**
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 3179 3021 0.56      
2 A 1441 1369 10.98      
3 A 1352 1284 17.82      
4 A 1164 1106 117.52      
5 A 1102 1048 145.62      
6 A 875 832 85.51      
7 A 477 453 0.57      
8 A 322 306 1.39      
9 A 174 165 0.76      
10 A 86 82 0.56      
11 B 3190 3031 14.97      
12 B 1391 1322 11.51      
13 B 1276 1212 35.29      
14 B 1114 1059 23.43      
15 B 867 824 105.52      
16 B 445 422 11.97      
17 B 404 384 8.31      
18 B 343 326 11.24      

Unscaled Zero Point Vibrational Energy (zpe) 9600.5 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 9122.4 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 MP2/6-311G**
ABC
0.09842 0.06094 0.03912

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.224 0.729 0.395
C2 0.224 -0.729 0.395
H3 -1.310 0.801 0.357
H4 1.310 -0.801 0.357
F5 0.224 1.294 1.551
F6 -0.224 -1.294 1.551
Cl7 0.456 1.595 -0.982
Cl8 -0.456 -1.595 -0.982

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52471.08942.16691.36252.32971.76252.7107
C21.52472.16691.08942.32971.36252.71071.7625
H31.08942.16693.07152.00552.64512.35332.8745
H42.16691.08943.07152.64512.00552.87452.3533
F51.36252.32972.00552.64512.62592.56113.9013
F62.32971.36252.64512.00552.62593.90132.5611
Cl71.76252.71072.35332.87452.56113.90133.3175
Cl82.71071.76252.87452.35333.90132.56113.3175

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 110.878 C1 C2 F6 107.457
C1 C2 Cl8 110.893 C2 C1 H3 110.878
C2 C1 F5 107.457 C2 C1 Cl7 110.893
H3 C1 F5 109.252 H3 C1 Cl7 108.918
H4 C2 F6 109.252 H4 C2 Cl8 108.918
F5 C1 Cl7 109.412 F6 C2 Cl8 109.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability