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

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at G2
 hartrees
Energy at 0K-1196.240108
Energy at 298.15K-1196.232968
HF Energy-1194.718500
Nuclear repulsion energy379.471700
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 HF/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 3360 3166 1.85      
2 A 1568 1477 12.71      
3 A 1451 1367 35.21      
4 A 1261 1188 226.84      
5 A 1187 1118 78.46      
6 A 916 863 97.96      
7 A 496 467 1.38      
8 A 343 323 1.77      
9 A 178 168 0.86      
10 A 88 83 0.88      
11 B 3371 3176 16.41      
12 B 1496 1410 10.73      
13 B 1374 1294 46.93      
14 B 1230 1159 28.04      
15 B 906 854 149.83      
16 B 472 445 16.32      
17 B 424 400 9.27      
18 B 365 344 15.31      

Unscaled Zero Point Vibrational Energy (zpe) 10242.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9650.8 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
0.09843 0.06070 0.03898

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 -0.231 0.724 0.388
C2 0.231 -0.724 0.388
H3 -1.320 0.789 0.365
H4 1.320 -0.789 0.365
F5 0.231 1.279 1.554
F6 -0.231 -1.279 1.554
Cl7 0.430 1.613 -0.981
Cl8 -0.430 -1.613 -0.981

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51961.09082.16691.37152.31701.76222.7160
C21.51962.16691.09082.31701.37152.71601.7622
H31.09082.16693.07562.01522.62202.35692.8936
H42.16691.09083.07562.62202.01522.89362.3569
F51.37152.31702.01522.62202.59892.56523.9024
F62.31701.37152.62202.01522.59893.90242.5652
Cl71.76222.71602.35692.89362.56523.90243.3389
Cl82.71601.76222.89362.35693.90242.56523.3389

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 113.011 C1 C2 F6 106.622
C1 C2 Cl8 113.511 C2 C1 H3 113.011
C2 C1 F5 106.622 C2 C1 Cl7 113.511
H3 C1 F5 108.422 H3 C1 Cl7 107.844
H4 C2 F6 108.422 H4 C2 Cl8 107.844
F5 C1 Cl7 107.170 F6 C2 Cl8 107.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability