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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2=FULL/6-31G
 hartrees
Energy at 0K-1195.102657
Energy at 298.15K-1195.105938
HF Energy-1194.574254
Nuclear repulsion energy364.458901
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/6-31G
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 3056 0.89      
2 A 1420 1349 0.20      
3 A 1319 1253 21.23      
4 A 1150 1093 17.12      
5 A 1028 977 145.64      
6 A 787 748 75.99      
7 A 421 400 1.94      
8 A 298 283 1.77      
9 A 159 151 1.33      
10 A 76 73 1.04      
11 B 3228 3067 2.86      
12 B 1346 1279 8.34      
13 B 1271 1208 25.28      
14 B 1024 973 10.21      
15 B 768 730 104.77      
16 B 403 383 17.68      
17 B 360 342 13.52      
18 B 325 308 15.47      

Unscaled Zero Point Vibrational Energy (zpe) 9298.6 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 8834.6 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/6-31G
ABC
0.09088 0.05678 0.03621

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.249 0.718 0.419
C2 0.249 -0.718 0.419
H3 -1.334 0.799 0.402
H4 1.334 -0.799 0.402
F5 0.249 1.325 1.614
F6 -0.249 -1.325 1.614
Cl7 0.428 1.675 -1.026
Cl8 -0.428 -1.675 -1.026

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52001.08902.19281.42932.36701.86032.8014
C21.52002.19281.08902.36701.42932.80141.8603
H31.08902.19283.11082.06192.67592.43142.9970
H42.19281.08903.11082.67592.06192.99702.4314
F51.42932.36702.06192.67592.69662.66854.0530
F62.36701.42932.67592.06192.69664.05302.6685
Cl71.86032.80142.43142.99702.66854.05303.4582
Cl82.80141.86032.99702.43144.05302.66853.4582

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 113.349 C1 C2 F6 106.710
C1 C2 Cl8 111.542 C2 C1 H3 113.349
C2 C1 F5 106.710 C2 C1 Cl7 111.542
H3 C1 F5 109.178 H3 C1 Cl7 108.192
H4 C2 F6 109.178 H4 C2 Cl8 108.192
F5 C1 Cl7 107.704 F6 C2 Cl8 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability