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All results from a given calculation for CHFClCHClF (ethane, 1,2-dichloro-1,2-difluoro-)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-89.518087
Energy at 298.15K-89.521261
HF Energy-89.086478
Nuclear repulsion energy130.650992
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/CEP-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 Ag 3202 3094 0.00      
2 Ag 1396 1349 0.00      
3 Ag 1306 1262 0.00      
4 Ag 1117 1080 0.00      
5 Ag 960 927 0.00      
6 Ag 797 770 0.00      
7 Ag 471 455 0.00      
8 Ag 344 332 0.00      
9 Ag 253 245 0.00      
10 Au 3211 3102 15.46      
11 Au 1283 1240 21.62      
12 Au 1252 1210 27.76      
13 Au 975 942 204.98      
14 Au 739 714 149.56      
15 Au 364 351 7.85      
16 Au 352 340 43.74      
17 Au 162 157 2.10      
18 Au 62 60 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 9122.0 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 8814.6 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/CEP-31G
ABC
0.12268 0.04479 0.03388

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.780
C2 0.000 0.000 0.780
H3 1.014 0.000 -1.215
H4 -1.014 0.000 1.215
F5 -0.682 -1.210 -1.218
F6 0.682 1.210 1.218
Cl7 -0.943 1.462 -1.439
Cl8 0.943 -1.462 1.439

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.56021.10302.23761.45582.43311.85992.8195
C21.56022.23761.10302.43311.45582.81951.8599
H31.10302.23763.16432.08272.73702.45233.0305
H42.23761.10303.16432.73702.08273.03052.4523
F51.45582.43312.08272.73703.69382.69293.1244
F62.43311.45582.73702.08273.69383.12442.6929
Cl71.85992.81952.45233.03052.69293.12444.5148
Cl82.81951.85993.03052.45233.12442.69294.5148

picture of ethane, 1,2-dichloro-1,2-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 113.206 C1 C2 F6 107.503
C1 C2 Cl8 110.751 C2 C1 H3 113.206
C2 C1 F5 107.503 C2 C1 Cl7 110.751
H3 C1 F5 108.172 H3 C1 Cl7 109.040
H4 C2 F6 108.172 H4 C2 Cl8 109.040
F5 C1 Cl7 108.000 F6 C2 Cl8 108.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability