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

using model chemistry: CISD/daug-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 CISD/daug-cc-pVTZ
 hartrees
Energy at 0K-277.829014
Energy at 298.15K 
HF Energy-277.060633
Nuclear repulsion energy133.658206
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 CISD/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CISD/daug-cc-pVTZ
ABC
0.32418 0.30379 0.17596

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.162 0.000
C2 -0.897 1.029 0.000
H3 1.253 0.711 0.000
F4 0.321 -0.643 1.083
F5 0.321 -0.643 -1.083
H6 -1.779 0.404 0.000
H7 -0.899 1.654 0.882
H8 -0.899 1.654 -0.882

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49511.08191.34931.34932.11432.11992.1199
C21.49512.17322.33472.33471.08121.08091.0809
H31.08192.17321.96861.96863.04782.50962.5096
F41.34932.33471.96862.16662.58472.60883.2597
F51.34932.33471.96862.16662.58473.25972.6088
H62.11431.08123.04782.58472.58471.76501.7650
H72.11991.08092.50962.60883.25971.76501.7632
H82.11991.08092.50963.25972.60881.76501.7632

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 109.249 C1 C2 H7 109.712
C1 C2 H8 109.712 C2 C1 H3 114.018
C2 C1 F4 110.227 C2 C1 F5 110.227
H3 C1 F4 107.630 H3 C1 F5 107.630
F4 C1 F5 106.811 H6 C2 H7 109.434
H6 C2 H8 109.434 H7 C2 H8 109.286
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability