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

using model chemistry: wB97X-D/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/aug-cc-pVQZ
 hartrees
Energy at 0K-278.365321
Energy at 298.15K 
HF Energy-278.365321
Nuclear repulsion energy132.599708
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 wB97X-D/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at wB97X-D/aug-cc-pVQZ
ABC
0.31826 0.29979 0.17308

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.321 0.162 0.000
C2 -0.897 1.039 0.000
H3 1.264 0.712 0.000
F4 0.321 -0.649 1.094
F5 0.321 -0.649 -1.094
H6 -1.792 0.420 0.000
H7 -0.895 1.671 0.886
H8 -0.895 1.671 -0.886

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50131.09181.36171.36172.12862.13112.1311
C21.50132.18592.35182.35181.08831.08801.0880
H31.09182.18591.98441.98443.07002.52362.5236
F41.36172.35181.98442.18822.60842.62733.2834
F51.36172.35181.98442.18822.60843.28342.6273
H62.12861.08833.07002.60842.60841.77571.7757
H72.13111.08802.52362.62733.28341.77571.7723
H82.13111.08802.52363.28342.62731.77571.7723

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 109.535 C1 C2 H7 109.749
C1 C2 H8 109.749 C2 C1 H3 113.980
C2 C1 F4 110.366 C2 C1 F5 110.366
H3 C1 F4 107.451 H3 C1 F5 107.451
F4 C1 F5 106.929 H6 C2 H7 109.357
H6 C2 H8 109.357 H7 C2 H8 109.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.109      
2 C -0.229      
3 H 0.108      
4 F -0.605      
5 F -0.605      
6 H 0.062      
7 H 0.080      
8 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.350 2.223 0.000 2.251
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.417 0.480 0.000
y 0.480 -22.830 0.000
z 0.000 0.000 -25.303
Traceless
 xyz
x 2.649 0.480 0.000
y 0.480 0.530 0.000
z 0.000 0.000 -3.179
Polar
3z2-r2-6.358
x2-y21.413
xy0.480
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 71.794
(<r2>)1/2 8.473