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

using model chemistry: MP2=FULL/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=FULL/6-311G**
 hartrees
Energy at 0K-1195.985918
Energy at 298.15K-1195.989542
HF Energy-1194.843178
Nuclear repulsion energy378.749464
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/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 3184 3021 0.55      
2 A 1441 1367 11.21      
3 A 1353 1283 17.51      
4 A 1167 1107 115.51      
5 A 1105 1048 148.01      
6 A 877 832 83.91      
7 A 478 453 0.51      
8 A 323 307 1.39      
9 A 175 166 0.76      
10 A 86 82 0.55      
11 B 3195 3031 14.85      
12 B 1392 1320 11.60      
13 B 1276 1210 34.71      
14 B 1117 1060 23.26      
15 B 870 826 104.51      
16 B 445 422 11.72      
17 B 405 385 8.31      
18 B 343 326 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 9616.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 9122.2 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 MP2=FULL/6-311G**
ABC
0.09855 0.06109 0.03920

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.223 0.728 0.395
C2 0.223 -0.728 0.395
H3 -1.309 0.800 0.356
H4 1.309 -0.800 0.356
F5 0.223 1.293 1.550
F6 -0.223 -1.293 1.550
Cl7 0.455 1.593 -0.981
Cl8 -0.455 -1.593 -0.981

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52261.08902.16421.36152.32761.76102.7074
C21.52262.16421.08902.32761.36152.70741.7610
H31.08902.16423.06852.00452.64262.35172.8705
H42.16421.08903.06852.64262.00452.87052.3517
F51.36152.32762.00452.64262.62412.55923.8977
F62.32761.36152.64262.00452.62413.89772.5592
Cl71.76102.70742.35172.87052.55923.89773.3127
Cl82.70741.76102.87052.35173.89772.55923.3127

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 110.841 C1 C2 F6 107.486
C1 C2 Cl8 110.875 C2 C1 H3 110.841
C2 C1 F5 107.486 C2 C1 Cl7 110.875
H3 C1 F5 109.264 H3 C1 Cl7 108.920
H4 C2 F6 109.264 H4 C2 Cl8 108.920
F5 C1 Cl7 109.423 F6 C2 Cl8 109.423
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability