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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-90.068697
Energy at 298.15K-90.072146
HF Energy-89.233748
Nuclear repulsion energy135.471649
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 3195 3033 0.00      
2 Ag 1429 1357 0.00      
3 Ag 1342 1274 0.00      
4 Ag 1145 1087 0.00      
5 Ag 1087 1032 0.00      
6 Ag 861 818 0.00      
7 Ag 514 488 0.00      
8 Ag 377 358 0.00      
9 Ag 271 258 0.00      
10 Au 3205 3043 22.86      
11 Au 1335 1267 27.06      
12 Au 1260 1197 40.13      
13 Au 1117 1060 285.11      
14 Au 816 775 201.29      
15 Au 402 382 4.70      
16 Au 370 351 32.57      
17 Au 173 164 1.32      
18 Au 72 68 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 9485.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 9005.2 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/CEP-31G*
ABC
0.13126 0.04848 0.03659

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 -0.774
C2 0.000 0.000 0.774
H3 1.024 0.000 -1.179
H4 -1.024 0.000 1.179
F5 -0.661 -1.131 -1.208
F6 0.661 1.131 1.208
Cl7 -0.859 1.443 -1.370
Cl8 0.859 -1.443 1.370

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.54711.10092.20451.38022.37561.78222.7228
C21.54712.20451.10092.37561.38022.72281.7822
H31.10092.20453.12262.02942.66622.37972.9335
H42.20451.10093.12262.66622.02942.93352.3797
F51.38022.37562.02942.66623.56422.58683.0089
F62.37561.38022.66622.02943.56423.00892.5868
Cl71.78222.72282.37972.93352.58683.00894.3344
Cl82.72281.78222.93352.37973.00892.58684.3344

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 111.612 C1 C2 F6 108.357
C1 C2 Cl8 109.538 C2 C1 H3 111.612
C2 C1 F5 108.357 C2 C1 Cl7 109.538
H3 C1 F5 109.237 H3 C1 Cl7 108.957
H4 C2 F6 109.237 H4 C2 Cl8 108.957
F5 C1 Cl7 109.104 F6 C2 Cl8 109.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability