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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-277.660095
Energy at 298.15K 
HF Energy-276.959840
Nuclear repulsion energy131.642612
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)/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/cc-pVDZ
ABC
0.31211 0.29748 0.17102

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.327 0.163 0.000
C2 -0.910 1.034 0.000
H3 1.274 0.735 0.000
F4 0.327 -0.647 1.104
F5 0.327 -0.647 -1.104
H6 -1.804 0.386 0.000
H7 -0.922 1.672 0.901
H8 -0.922 1.672 -0.901

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51261.10631.36981.36982.14242.15522.1552
C21.51262.20482.36122.36121.10421.10381.1038
H31.10632.20482.00662.00663.09802.55162.5516
F41.36982.36122.00662.20822.61282.64163.3099
F51.36982.36122.00662.20822.61283.30992.6416
H62.14241.10423.09802.61282.61281.80121.8012
H72.15521.10382.55162.64163.30991.80121.8014
H82.15521.10382.55163.30992.64161.80121.8014

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.917 C1 C2 H7 109.941
C1 C2 H8 109.941 C2 C1 H3 113.776
C2 C1 F4 109.913 C2 C1 F5 109.913
H3 C1 F4 107.795 H3 C1 F5 107.795
F4 C1 F5 107.426 H6 C2 H7 109.325
H6 C2 H8 109.325 H7 C2 H8 109.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability