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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at MP2/6-31+G**
 hartrees
Energy at 0K-1195.626540
Energy at 298.15K-1195.630075
HF Energy-1194.734638
Nuclear repulsion energy375.965197
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 MP2/6-31+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 Ag 3215 3024 0.00      
2 Ag 1427 1342 0.00      
3 Ag 1365 1284 0.00      
4 Ag 1156 1087 0.00      
5 Ag 1076 1012 0.00      
6 Ag 880 828 0.00      
7 Ag 521 490 0.00      
8 Ag 384 361 0.00      
9 Ag 277 261 0.00      
10 Au 3226 3034 7.60      
11 Au 1343 1263 36.20      
12 Au 1287 1211 24.09      
13 Au 1100 1034 256.85      
14 Au 829 780 194.51      
15 Au 408 384 5.45      
16 Au 377 355 30.11      
17 Au 176 166 1.16      
18 Au 79 74 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 9562.5 cm-1
Scaled (by 0.9406) Zero Point Vibrational Energy (zpe) 8994.5 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 MP2/6-31+G**
ABC
0.13297 0.04959 0.03732

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.761
C2 0.000 0.000 0.761
H3 1.012 0.000 -1.161
H4 -1.012 0.000 1.161
F5 -0.648 -1.145 -1.187
F6 0.648 1.145 1.187
Cl7 -0.861 1.409 -1.366
Cl8 0.861 -1.409 1.366

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52201.08762.17161.38232.35031.75892.6929
C21.52202.17161.08762.35031.38232.69291.7589
H31.08762.17163.07912.01572.63702.35282.8969
H42.17161.08763.07912.63702.01572.89692.3528
F51.38232.35032.01572.63703.54302.56882.9775
F62.35031.38232.63702.01573.54302.97752.5688
Cl71.75892.69292.35282.89692.56882.97754.2866
Cl82.69291.75892.89692.35282.97752.56884.2866

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 111.559 C1 C2 F6 107.953
C1 C2 Cl8 110.120 C2 C1 H3 111.559
C2 C1 F5 107.953 C2 C1 Cl7 110.120
H3 C1 F5 108.808 H3 C1 Cl7 109.215
H4 C2 F6 108.808 H4 C2 Cl8 109.215
F5 C1 Cl7 109.139 F6 C2 Cl8 109.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability