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

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-1195.660526
Energy at 298.15K-1195.664225
HF Energy-1194.841922
Nuclear repulsion energy378.559532
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 CISD/6-311G*
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 3277 3032 0.00      
2 Ag 1515 1402 0.00      
3 Ag 1428 1321 0.00      
4 Ag 1218 1127 0.00      
5 Ag 1167 1079 0.00      
6 Ag 902 834 0.00      
7 Ag 551 510 0.00      
8 Ag 403 373 0.00      
9 Ag 288 267 0.00      
10 Au 3287 3042 16.29      
11 Au 1423 1317 40.04      
12 Au 1337 1237 43.65      
13 Au 1216 1125 291.85      
14 Au 845 782 225.39      
15 Au 432 400 4.64      
16 Au 395 365 33.44      
17 Au 185 171 1.65      
18 Au 80 74 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 9973.9 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 9228.8 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 CISD/6-311G*
ABC
0.13712 0.04964 0.03764

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

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 1.010 0.000 -1.146
H4 -1.010 0.000 1.146
F5 -0.649 -1.093 -1.194
F6 0.649 1.093 1.194
Cl7 -0.825 1.439 -1.357
Cl8 0.825 -1.439 1.357

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.51771.08152.15611.34392.33051.76302.6882
C21.51772.15611.08152.33051.34392.68821.7630
H31.08152.15613.05511.98712.60842.34102.8929
H42.15611.08153.05512.60841.98712.89292.3410
F51.34392.33051.98712.60843.48872.54372.9661
F62.33051.34392.60841.98713.48872.96612.5437
Cl71.76302.68822.34102.89292.54372.96614.2854
Cl82.68821.76302.89292.34102.96612.54374.2854

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 110.983 C1 C2 F6 108.906
C1 C2 Cl8 109.822 C2 C1 H3 110.983
C2 C1 F5 108.906 C2 C1 Cl7 109.822
H3 C1 F5 109.549 H3 C1 Cl7 108.384
H4 C2 F6 109.549 H4 C2 Cl8 108.384
F5 C1 Cl7 109.173 F6 C2 Cl8 109.173
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability