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

using model chemistry: CCSD(T)=FULL/aug-cc-pVTZ

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)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-278.042637
Energy at 298.15K 
HF Energy-277.059144
Nuclear repulsion energy132.669459
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-pVTZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)=FULL/aug-cc-pVTZ
ABC
0.31755 0.30145 0.17358

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.167 0.000
C2 -0.900 1.031 0.000
H3 1.260 0.720 0.000
F4 0.322 -0.646 1.095
F5 0.322 -0.646 -1.095
H6 -1.783 0.395 0.000
H7 -0.905 1.660 0.888
H8 -0.905 1.660 -0.888

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49651.08881.36391.36392.11732.12662.1266
C21.49652.18272.34622.34621.08851.08831.0883
H31.08882.18271.98601.98603.06072.52222.5222
F41.36392.34621.98602.18982.59102.62033.2796
F51.36392.34621.98602.18982.59103.27962.6203
H62.11731.08853.06072.59102.59101.77801.7780
H72.12661.08832.52222.62033.27961.77801.7763
H82.12661.08832.52223.27962.62031.77801.7763

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 108.962 C1 C2 H7 109.711
C1 C2 H8 109.711 C2 C1 H3 114.262
C2 C1 F4 110.133 C2 C1 F5 110.133
H3 C1 F4 107.607 H3 C1 F5 107.607
F4 C1 F5 106.790 H6 C2 H7 109.524
H6 C2 H8 109.524 H7 C2 H8 109.394
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability