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

using model chemistry: CCSD=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CI 1AG
Energy calculated at CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.855392
Energy at 298.15K-1195.858878
HF Energy-1194.807352
Nuclear repulsion energy373.767285
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 CCSD=FULL/aug-cc-pVDZ
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 3159 3159 0.00      
2 Ag 1413 1413 0.00      
3 Ag 1316 1316 0.00      
4 Ag 1152 1152 0.00      
5 Ag 1085 1085 0.00      
6 Ag 842 842 0.00      
7 Ag 517 517 0.00      
8 Ag 378 378 0.00      
9 Ag 272 272 0.00      
10 Au 3169 3169 7.08      
11 Au 1318 1318 16.17      
12 Au 1237 1237 35.63      
13 Au 1117 1117 233.69      
14 Au 795 795 190.15      
15 Au 404 404 3.93      
16 Au 370 370 26.64      
17 Au 172 172 0.80      
18 Au 73 73 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 9393.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9393.6 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.13272 0.04869 0.03681

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/aug-cc-pVDZ

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.765
C2 0.000 0.000 0.765
H3 1.019 0.000 -1.171
H4 -1.019 0.000 1.171
F5 -0.672 -1.114 -1.204
F6 0.672 1.114 1.204
Cl7 -0.846 1.452 -1.362
Cl8 0.846 -1.452 1.362

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.52911.09772.18811.37362.35991.78362.7104
C21.52912.18811.09772.35991.37362.71041.7836
H31.09772.18813.10592.02612.64682.37172.9252
H42.18811.09773.10592.64682.02612.92522.3717
F51.37362.35992.02612.64683.54602.57713.0007
F62.35991.37362.64682.02613.54603.00072.5771
Cl71.78362.71042.37172.92522.57713.00074.3263
Cl82.71041.78362.92522.37173.00072.57714.3263

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 111.760 C1 C2 F6 108.662
C1 C2 Cl8 109.569 C2 C1 H3 111.760
C2 C1 F5 108.662 C2 C1 Cl7 109.569
H3 C1 F5 109.633 H3 C1 Cl7 108.441
H4 C2 F6 109.633 H4 C2 Cl8 108.441
F5 C1 Cl7 108.728 F6 C2 Cl8 108.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability