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All results from a given calculation for CHFClCHFCl (1,2-dichloro-1,2-difluoroethane RR)

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-1195.889882
Energy at 298.15K 
HF Energy-1194.805790
Nuclear repulsion energy374.325257
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 QCISD(T)=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.09654 0.05956 0.03836

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.226 0.732 0.395
C2 0.226 -0.732 0.395
H3 -1.321 0.826 0.345
H4 1.321 -0.826 0.345
F5 0.226 1.311 1.566
F6 -0.226 -1.311 1.566
Cl7 0.493 1.603 -0.989
Cl8 -0.493 -1.603 -0.989

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6 Cl7 Cl8
C11.53251.09992.19541.38222.35531.78582.7277
C21.53252.19541.09992.35531.38222.72771.7858
H31.09992.19543.11462.02932.69362.38152.8917
H42.19541.09993.11462.69362.02932.89172.3815
F51.38222.35532.02932.69362.66122.58513.9417
F62.35531.38222.69362.02932.66123.94172.5851
Cl71.78582.72772.38152.89172.58513.94173.3547
Cl82.72771.78582.89172.38153.94172.58513.3547

picture of 1,2-dichloro-1,2-difluoroethane RR state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H4 111.976 C1 C2 F6 107.705
C1 C2 Cl8 110.338 C2 C1 H3 111.976
C2 C1 F5 107.705 C2 C1 Cl7 110.338
H3 C1 F5 109.153 H3 C1 Cl7 108.904
H4 C2 F6 109.153 H4 C2 Cl8 108.904
F5 C1 Cl7 108.702 F6 C2 Cl8 108.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability