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

using model chemistry: MP2=FULL/6-31G*

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=FULL/6-31G*
 hartrees
Energy at 0K-1195.614447
Energy at 298.15K-1195.618002
HF Energy-1194.718499
Nuclear repulsion energy376.731091
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/6-31G*
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 3197 3012 0.00      
2 Ag 1448 1365 0.00      
3 Ag 1383 1303 0.00      
4 Ag 1170 1102 0.00      
5 Ag 1122 1057 0.00      
6 Ag 879 828 0.00      
7 Ag 529 499 0.00      
8 Ag 386 364 0.00      
9 Ag 280 264 0.00      
10 Au 3208 3022 12.28      
11 Au 1370 1291 38.92      
12 Au 1294 1219 29.40      
13 Au 1154 1087 225.33      
14 Au 824 777 197.54      
15 Au 411 387 4.12      
16 Au 378 356 31.19      
17 Au 179 169 1.43      
18 Au 83 78 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 9647.4 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 9089.8 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
0.13402 0.04969 0.03747

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.759
C2 0.000 0.000 0.759
H3 1.017 0.000 -1.153
H4 -1.017 0.000 1.153
F5 -0.664 -1.118 -1.189
F6 0.664 1.118 1.189
Cl7 -0.835 1.437 -1.351
Cl8 0.835 -1.437 1.351

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51901.09052.16601.36942.34251.76452.6865
C21.51902.16601.09052.34251.36942.68651.7645
H31.09052.16603.07472.01932.61882.35292.8928
H42.16601.09053.07472.61882.01932.89282.3529
F51.36942.34252.01932.61883.52382.56602.9668
F62.34251.36942.61882.01933.52382.96682.5660
Cl71.76452.68652.35292.89282.56602.96684.2842
Cl82.68651.76452.89282.35292.96682.56604.2842

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 111.144 C1 C2 F6 108.280
C1 C2 Cl8 109.585 C2 C1 H3 111.144
C2 C1 F5 108.280 C2 C1 Cl7 109.585
H3 C1 F5 109.831 H3 C1 Cl7 108.697
H4 C2 F6 109.831 H4 C2 Cl8 108.697
F5 C1 Cl7 109.284 F6 C2 Cl8 109.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability