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

using model chemistry: CCSD/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/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.831953
Energy at 298.15K-1195.835435
HF Energy-1194.807129
Nuclear repulsion energy373.329971
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/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 3155 3040 0.00      
2 Ag 1410 1359 0.00      
3 Ag 1316 1267 0.00      
4 Ag 1150 1108 0.00      
5 Ag 1082 1042 0.00      
6 Ag 842 811 0.00      
7 Ag 516 497 0.00      
8 Ag 377 363 0.00      
9 Ag 271 261 0.00      
10 Au 3165 3049 7.03      
11 Au 1317 1268 16.50      
12 Au 1238 1192 35.44      
13 Au 1113 1072 234.09      
14 Au 794 765 190.70      
15 Au 403 389 3.83      
16 Au 369 356 26.83      
17 Au 172 165 0.80      
18 Au 73 70 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 9381.2 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 9037.9 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/aug-cc-pVDZ
ABC
0.13250 0.04855 0.03672

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.020 0.000 -1.173
H4 -1.020 0.000 1.173
F5 -0.673 -1.116 -1.205
F6 0.673 1.116 1.205
Cl7 -0.847 1.453 -1.365
Cl8 0.847 -1.453 1.365

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53101.09862.19081.37492.36221.78562.7146
C21.53102.19081.09862.36221.37492.71461.7856
H31.09862.19083.10962.02752.64992.37342.9304
H42.19081.09863.10962.64992.02752.93042.3734
F51.37492.36222.02752.64993.54922.57973.0047
F62.36221.37492.64992.02753.54923.00472.5797
Cl71.78562.71462.37342.93042.57973.00474.3325
Cl82.71461.78562.93042.37343.00472.57974.3325

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 111.799 C1 C2 F6 108.640
C1 C2 Cl8 109.631 C2 C1 H3 111.799
C2 C1 F5 108.640 C2 C1 Cl7 109.631
H3 C1 F5 109.605 H3 C1 Cl7 108.391
H4 C2 F6 109.605 H4 C2 Cl8 108.391
F5 C1 Cl7 108.727 F6 C2 Cl8 108.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability