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

using model chemistry: B2PLYP=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-278.172734
Energy at 298.15K 
HF Energy-277.930269
Nuclear repulsion energy132.194037
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 B2PLYP=FULL/6-311G*
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' 3172 3172 25.12 36.08 0.66 0.80
2 A' 3127 3127 42.76 116.04 0.32 0.48
3 A' 3085 3085 4.06 107.78 0.02 0.03
4 A' 1519 1519 5.90 10.34 0.75 0.86
5 A' 1469 1469 77.63 3.05 0.44 0.61
6 A' 1417 1417 5.41 0.87 0.74 0.85
7 A' 1183 1183 30.34 1.14 0.02 0.04
8 A' 1156 1156 107.03 4.32 0.75 0.86
9 A' 884 884 10.18 5.73 0.23 0.38
10 A' 571 571 6.82 1.00 0.54 0.70
11 A' 470 470 13.32 1.12 0.66 0.79
12 A" 3168 3168 14.38 55.44 0.75 0.86
13 A" 1520 1520 0.65 7.68 0.75 0.86
14 A" 1429 1429 29.42 9.11 0.75 0.86
15 A" 1171 1171 134.14 2.53 0.75 0.86
16 A" 965 965 77.83 4.08 0.75 0.86
17 A" 386 386 0.06 0.41 0.75 0.86
18 A" 251 251 0.09 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13472.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13472.5 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 B2PLYP=FULL/6-311G*
ABC
0.31396 0.30028 0.17213

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.166 0.000
C2 -0.903 1.032 0.000
H3 1.266 0.716 0.000
F4 0.324 -0.646 1.102
F5 0.324 -0.646 -1.102
H6 -1.788 0.396 0.000
H7 -0.918 1.663 0.888
H8 -0.918 1.663 -0.888

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50161.09101.36871.36872.12462.13842.1384
C21.50162.19202.35242.35241.08981.08981.0898
H31.09102.19201.98901.98903.07112.54092.5409
F41.36872.35241.98902.20432.60022.63063.2916
F51.36872.35241.98902.20432.60023.29162.6306
H62.12461.08983.07112.60022.60021.77551.7755
H72.13841.08982.54092.63063.29161.77551.7758
H82.13841.08982.54093.29162.63061.77551.7758

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 109.108 C1 C2 H7 110.201
C1 C2 H8 110.201 C2 C1 H3 114.524
C2 C1 F4 109.993 C2 C1 F5 109.993
H3 C1 F4 107.389 H3 C1 F5 107.389
F4 C1 F5 107.264 H6 C2 H7 109.094
H6 C2 H8 109.094 H7 C2 H8 109.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability