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

using model chemistry: MP2=FULL/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=FULL/6-31+G**
 hartrees
Energy at 0K-1195.664050
Energy at 298.15K-1195.667592
HF Energy-1194.734833
Nuclear repulsion energy376.374583
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/6-31+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 3217 3021 0.00      
2 Ag 1429 1342 0.00      
3 Ag 1366 1283 0.00      
4 Ag 1158 1087 0.00      
5 Ag 1078 1012 0.00      
6 Ag 881 827 0.00      
7 Ag 522 490 0.00      
8 Ag 385 361 0.00      
9 Ag 278 261 0.00      
10 Au 3228 3032 7.62      
11 Au 1344 1262 35.42      
12 Au 1289 1210 24.57      
13 Au 1102 1035 255.92      
14 Au 830 780 193.64      
15 Au 410 385 5.59      
16 Au 377 354 29.76      
17 Au 177 166 1.17      
18 Au 80 75 0.82      

Unscaled Zero Point Vibrational Energy (zpe) 9573.7 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 8991.7 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/6-31+G**
ABC
0.13328 0.04969 0.03741

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.760
C2 0.000 0.000 0.760
H3 1.011 0.000 -1.159
H4 -1.011 0.000 1.159
F5 -0.647 -1.143 -1.186
F6 0.647 1.143 1.186
Cl7 -0.861 1.408 -1.364
Cl8 0.861 -1.408 1.364

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52011.08662.16891.38072.34761.75722.6899
C21.52012.16891.08662.34761.38072.68991.7572
H31.08662.16893.07552.01392.63362.35092.8932
H42.16891.08663.07552.63362.01392.89322.3509
F51.38072.34762.01392.63363.53902.56582.9744
F62.34761.38072.63362.01393.53902.97442.5658
Cl71.75722.68992.35092.89322.56582.97444.2821
Cl82.68991.75722.89322.35092.97442.56584.2821

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 111.535 C1 C2 F6 107.957
C1 C2 Cl8 110.112 C2 C1 H3 111.535
C2 C1 F5 107.957 C2 C1 Cl7 110.112
H3 C1 F5 108.835 H3 C1 Cl7 109.240
H4 C2 F6 108.835 H4 C2 Cl8 109.240
F5 C1 Cl7 109.115 F6 C2 Cl8 109.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability