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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-1195.663530
Energy at 298.15K-1195.667093
HF Energy-1194.734294
Nuclear repulsion energy377.751310
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/6-31+G**
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 3216 3021 0.12      
2 A 1427 1341 2.72      
3 A 1339 1258 23.15      
4 A 1159 1089 46.61      
5 A 1082 1016 215.93      
6 A 876 822 87.25      
7 A 474 445 0.10      
8 A 317 298 1.29      
9 A 170 159 0.55      
10 A 85 80 0.62      
11 B 3228 3031 7.39      
12 B 1364 1281 10.42      
13 B 1285 1206 21.77      
14 B 1078 1012 25.99      
15 B 869 816 96.72      
16 B 436 410 10.89      
17 B 398 373 9.91      
18 B 345 324 12.38      

Unscaled Zero Point Vibrational Energy (zpe) 9573.3 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8991.2 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/6-31+G**
ABC
0.09823 0.06084 0.03898

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.235 0.723 0.391
C2 0.235 -0.723 0.391
H3 -1.320 0.789 0.387
H4 1.320 -0.789 0.387
F5 0.235 1.299 1.555
F6 -0.235 -1.299 1.555
Cl7 0.412 1.606 -0.984
Cl8 -0.412 -1.606 -0.984

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52041.08672.16821.38092.33281.75722.7102
C21.52042.16821.08672.33281.38092.71021.7572
H31.08672.16823.07452.00992.62622.35522.9046
H42.16821.08673.07452.62622.00992.90462.3552
F51.38092.33282.00992.62622.63942.56323.9115
F62.33281.38092.62622.00992.63943.91152.5632
Cl71.75722.71022.35522.90462.56323.91153.3162
Cl82.71021.75722.90462.35523.91152.56323.3162

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 111.457 C1 C2 F6 106.942
C1 C2 Cl8 111.355 C2 C1 H3 111.457
C2 C1 F5 106.942 C2 C1 Cl7 111.355
H3 C1 F5 108.494 H3 C1 Cl7 109.550
H4 C2 F6 108.494 H4 C2 Cl8 109.550
F5 C1 Cl7 108.941 F6 C2 Cl8 108.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability