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All results from a given calculation for C2H4F2 (1,2-difluoroethane)

using model chemistry: CID/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H anti 1Ag
Energy calculated at CID/daug-cc-pVTZ
 hartrees
Energy at 0K-277.804846
Energy at 298.15K 
HF Energy-277.040720
Nuclear repulsion energy126.955550
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 CID/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CID/daug-cc-pVTZ
ABC
1.08705 0.13186 0.12299

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/daug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.421 0.625 0.000
C2 -0.421 -0.625 0.000
F3 -0.421 1.705 0.000
F4 0.421 -1.705 0.000
H5 1.043 0.670 0.883
H6 1.043 0.670 -0.883
H7 -1.043 -0.670 0.883
H8 -1.043 -0.670 -0.883

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6 H7 H8
C11.50651.37012.33001.08141.08142.14482.1448
C21.50652.33001.37012.14482.14481.08141.0814
F31.37012.33003.51321.99911.99912.60952.6095
F42.33001.37013.51322.60952.60951.99911.9991
H51.08142.14481.99912.60951.76692.47943.0446
H61.08142.14481.99912.60951.76693.04462.4794
H72.14481.08142.60951.99912.47943.04461.7669
H82.14481.08142.60951.99913.04462.47941.7669

picture of 1,2-difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.096 C1 C2 H7 110.873
C1 C2 H8 110.873 C2 C1 F3 108.096
C2 C1 H5 110.873 C2 C1 H6 110.873
F3 C1 H5 108.691 F3 C1 H6 108.691
F4 C2 H7 108.691 F4 C2 H8 108.691
H5 C1 H6 109.551 H7 C2 H8 109.551
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability