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

using model chemistry: CCSD(T)=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(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.888670
Energy at 298.15K 
HF Energy-1194.806492
Nuclear repulsion energy372.817704
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(T)=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVDZ
ABC
0.13176 0.04853 0.03666

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

Point Group is Ci

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.766
C2 0.000 0.000 0.766
H3 1.020 0.000 -1.176
H4 -1.020 0.000 1.176
F5 -0.676 -1.119 -1.206
F6 0.676 1.119 1.206
Cl7 -0.850 1.457 -1.361
Cl8 0.850 -1.457 1.361

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53161.09972.19321.37952.36581.78832.7142
C21.53162.19321.09972.36581.37952.71421.7883
H31.09972.19323.11342.03272.65372.37792.9299
H42.19321.09973.11342.65372.03272.92992.3779
F51.37952.36582.03272.65373.55732.58593.0054
F62.36581.37952.65372.03273.55733.00542.5859
Cl71.78832.71422.37792.92992.58593.00544.3341
Cl82.71421.78832.92992.37793.00542.58594.3341

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 111.877 C1 C2 F6 108.608
C1 C2 Cl8 109.439 C2 C1 H3 111.877
C2 C1 F5 108.608 C2 C1 Cl7 109.439
H3 C1 F5 109.634 H3 C1 Cl7 108.484
H4 C2 F6 109.634 H4 C2 Cl8 108.484
F5 C1 Cl7 108.750 F6 C2 Cl8 108.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability