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

using model chemistry: B2PLYP=FULL/3-21G*

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/3-21G*
 hartrees
Energy at 0K-276.484021
Energy at 298.15K 
HF Energy-276.343990
Nuclear repulsion energy130.364997
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/3-21G*
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' 3192 3192 15.59 35.78 0.67 0.80
2 A' 3129 3129 53.51 96.73 0.33 0.49
3 A' 3114 3114 2.02 81.34 0.02 0.04
4 A' 1573 1573 4.66 20.10 0.75 0.86
5 A' 1497 1497 30.16 3.53 0.75 0.86
6 A' 1464 1464 36.10 4.20 0.75 0.86
7 A' 1200 1200 30.58 2.03 0.17 0.29
8 A' 1140 1140 81.77 5.57 0.73 0.85
9 A' 888 888 6.54 7.47 0.18 0.31
10 A' 546 546 7.73 1.11 0.55 0.71
11 A' 440 440 15.09 1.32 0.68 0.81
12 A" 3193 3193 8.29 50.63 0.75 0.86
13 A" 1579 1579 1.11 15.35 0.75 0.86
14 A" 1461 1461 42.13 11.98 0.75 0.86
15 A" 1220 1220 80.47 4.37 0.75 0.86
16 A" 1009 1009 39.90 5.96 0.75 0.86
17 A" 354 354 0.01 0.37 0.75 0.86
18 A" 262 262 0.14 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13629.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13629.9 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/3-21G*
ABC
0.29845 0.29838 0.16728

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.331 0.175 0.000
C2 -0.918 1.023 0.000
H3 1.246 0.766 0.000
F4 0.331 -0.646 1.133
F5 0.331 -0.646 -1.133
H6 -1.787 0.364 0.000
H7 -0.942 1.650 0.891
H8 -0.942 1.650 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50891.08971.39931.39932.12632.14212.1421
C21.50892.17952.37192.37191.09071.08981.0898
H31.08972.17952.02842.02843.06022.52322.5232
F41.39932.37192.02842.26642.60572.63603.3146
F51.39932.37192.02842.26642.60573.31462.6360
H62.12631.09073.06022.60572.60571.77781.7778
H72.14211.08982.52322.63603.31461.77781.7818
H82.14211.08982.52323.31462.63601.77781.7818

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 108.692 C1 C2 H7 109.989
C1 C2 H8 109.989 C2 C1 H3 113.026
C2 C1 F4 109.238 C2 C1 F5 109.238
H3 C1 F4 108.531 H3 C1 F5 108.531
F4 C1 F5 108.162 H6 C2 H7 109.240
H6 C2 H8 109.240 H7 C2 H8 109.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability