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

using model chemistry: AM1

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.189099
HF Energy-0.189099
Nuclear repulsion energy113.043521
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 AM1
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3169 3021 4.02 130.26 0.04 0.08
2 A' 3080 2937 13.20 86.99 0.75 0.86
3 A' 2988 2849 0.16 185.73 0.37 0.54
4 A' 1468 1400 65.21 7.43 0.74 0.85
5 A' 1413 1348 8.93 3.08 0.72 0.83
6 A' 1377 1313 5.31 34.40 0.75 0.86
7 A' 1281 1222 13.73 27.06 0.74 0.85
8 A' 1155 1101 16.24 20.72 0.56 0.71
9 A' 1009 962 2.00 9.23 0.46 0.63
10 A' 574 547 11.95 0.84 0.30 0.46
11 A' 465 443 11.95 2.86 0.73 0.85
12 A" 3086 2942 9.98 99.57 0.75 0.86
13 A" 1494 1425 102.12 1.91 0.75 0.86
14 A" 1386 1321 8.65 40.47 0.75 0.86
15 A" 1271 1212 3.00 21.68 0.75 0.86
16 A" 1022 974 0.01 12.73 0.75 0.86
17 A" 414 395 0.05 1.03 0.75 0.86
18 A" 118 113 0.03 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13384.9 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 12762.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at AM1
ABC
0.32492 0.27736 0.16822

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.320 0.171 0.000
C2 -0.897 1.105 0.000
H3 1.278 0.775 0.000
F4 0.320 -0.691 1.076
F5 0.320 -0.691 -1.076
H6 -1.840 0.510 0.000
H7 -0.867 1.745 0.912
H8 -0.867 1.745 -0.912

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.53361.13231.37871.37872.18652.17162.1716
C21.53362.19932.42122.42121.11511.11431.1143
H31.13232.19932.05532.05533.12912.52382.5238
F41.37872.42122.05532.15182.69552.71443.3602
F51.37872.42122.05532.15182.69553.36022.7144
H62.18651.11513.12912.69552.69551.81751.8175
H72.17161.11432.52382.71443.36021.81751.8231
H82.17161.11432.52383.36022.71441.81751.8231

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 110.280 C1 C2 H7 109.166
C1 C2 H8 109.166 C2 C1 H3 110.265
C2 C1 F4 112.372 C2 C1 F5 112.372
H3 C1 F4 109.486 H3 C1 F5 109.486
F4 C1 F5 102.593 H6 C2 H7 109.221
H6 C2 H8 109.221 H7 C2 H8 109.776
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability