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

using model chemistry: CCSD/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/cc-pVDZ
 hartrees
Energy at 0K-1195.733179
Energy at 298.15K-1195.736698
HF Energy-1194.778024
Nuclear repulsion energy374.507988
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/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 3158 2991 0.00      
2 Ag 1428 1353 0.00      
3 Ag 1328 1258 0.00      
4 Ag 1166 1104 0.00      
5 Ag 1111 1053 0.00      
6 Ag 851 806 0.00      
7 Ag 524 496 0.00      
8 Ag 381 361 0.00      
9 Ag 275 261 0.00      
10 Au 3167 3000 16.36      
11 Au 1338 1268 30.19      
12 Au 1245 1179 43.02      
13 Au 1161 1100 258.03      
14 Au 799 757 188.01      
15 Au 408 386 3.43      
16 Au 371 351 28.93      
17 Au 175 166 1.37      
18 Au 75 71 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 9479.7 cm-1
Scaled (by 0.9473) Zero Point Vibrational Energy (zpe) 8980.1 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/cc-pVDZ
ABC
0.13361 0.04878 0.03691

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 1.028 0.000 -1.158
H4 -1.028 0.000 1.158
F5 -0.668 -1.099 -1.208
F6 0.668 1.099 1.208
Cl7 -0.821 1.469 -1.358
Cl8 0.821 -1.469 1.358

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53041.10062.18051.36042.35521.78412.7094
C21.53042.18051.10062.35521.36042.70941.7841
H31.10062.18053.09672.02212.63302.37002.9207
H42.18051.10063.09672.63302.02212.92072.3700
F51.36042.35522.02212.63303.52902.57732.9895
F62.35521.36042.63302.02213.52902.98952.5773
Cl71.78412.70942.37002.92072.57732.98954.3250
Cl82.70941.78412.92072.37002.98952.57734.3250

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 110.884 C1 C2 F6 108.979
C1 C2 Cl8 109.418 C2 C1 H3 110.884
C2 C1 F5 108.979 C2 C1 Cl7 109.418
H3 C1 F5 110.051 H3 C1 Cl7 108.137
H4 C2 F6 110.051 H4 C2 Cl8 108.137
F5 C1 Cl7 109.350 F6 C2 Cl8 109.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability