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

using model chemistry: MP2=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-1189.766994
Energy at 298.15K-1189.770345
HF Energy-1189.053513
Nuclear repulsion energy371.350022
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/3-21G*
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 3196 3030 0.00      
2 Ag 1447 1372 0.00      
3 Ag 1379 1308 0.00      
4 Ag 1123 1064 0.00      
5 Ag 1064 1009 0.00      
6 Ag 822 779 0.00      
7 Ag 496 470 0.00      
8 Ag 362 343 0.00      
9 Ag 271 257 0.00      
10 Au 3211 3044 8.13      
11 Au 1370 1299 29.23      
12 Au 1317 1249 24.44      
13 Au 1134 1075 129.94      
14 Au 756 717 205.96      
15 Au 379 359 5.25      
16 Au 352 333 33.33      
17 Au 166 157 2.67      
18 Au 69 65 1.10      

Unscaled Zero Point Vibrational Energy (zpe) 9456.1 cm-1
Scaled (by 0.948) Zero Point Vibrational Energy (zpe) 8964.4 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/3-21G*
ABC
0.12855 0.04873 0.03651

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.764
C2 0.000 0.000 0.764
H3 1.016 0.000 -1.150
H4 -1.016 0.000 1.150
F5 -0.711 -1.126 -1.204
F6 0.711 1.126 1.204
Cl7 -0.810 1.492 -1.346
Cl8 0.810 -1.492 1.346

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52861.08702.16751.40232.37661.79432.7081
C21.52862.16751.08702.37661.40232.70811.7943
H31.08702.16753.06962.06262.62732.36632.9149
H42.16751.08703.06962.62732.06262.91492.3663
F51.40232.37662.06262.62733.59062.62292.9919
F62.37661.40232.62732.06263.59062.99192.6229
Cl71.79432.70812.36632.91492.62292.99194.3324
Cl82.70811.79432.91492.36632.99192.62294.3324

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 110.790 C1 C2 F6 108.282
C1 C2 Cl8 108.906 C2 C1 H3 110.790
C2 C1 F5 108.282 C2 C1 Cl7 108.906
H3 C1 F5 111.281 H3 C1 Cl7 107.887
H4 C2 F6 111.281 H4 C2 Cl8 107.887
F5 C1 Cl7 109.667 F6 C2 Cl8 109.667
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability