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

using model chemistry: wB97X-D/6-31G

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/6-31G
 hartrees
Energy at 0K-278.163499
Energy at 298.15K 
HF Energy-278.163499
Nuclear repulsion energy130.017496
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/6-31G
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' 3198 3198 18.29 32.70 0.62 0.76
2 A' 3160 3160 32.99 112.95 0.34 0.51
3 A' 3095 3095 2.45 104.03 0.01 0.03
4 A' 1537 1537 7.51 17.90 0.75 0.86
5 A' 1489 1489 46.31 3.73 0.73 0.84
6 A' 1427 1427 26.78 3.04 0.75 0.86
7 A' 1200 1200 33.03 2.40 0.31 0.48
8 A' 1145 1145 87.39 4.98 0.66 0.80
9 A' 888 888 12.81 7.49 0.19 0.32
10 A' 548 548 10.59 1.16 0.48 0.65
11 A' 442 442 16.67 1.66 0.71 0.83
12 A" 3191 3191 8.73 57.06 0.75 0.86
13 A" 1539 1539 4.91 15.38 0.75 0.86
14 A" 1416 1416 32.25 8.95 0.75 0.86
15 A" 1186 1186 98.30 4.72 0.75 0.86
16 A" 967 967 68.11 6.34 0.75 0.86
17 A" 378 378 0.06 0.51 0.75 0.86
18 A" 253 253 0.09 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13529.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13529.0 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 wB97X-D/6-31G
ABC
0.29803 0.29598 0.16644

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.326 0.183 0.000
C2 -0.907 1.035 0.000
H3 1.269 0.730 0.000
F4 0.326 -0.654 1.134
F5 0.326 -0.654 -1.134
H6 -1.792 0.395 0.000
H7 -0.927 1.668 0.889
H8 -0.927 1.668 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49911.08991.40921.40922.12872.13692.1369
C21.49912.19742.37892.37891.09191.09181.0918
H31.08992.19742.02202.02203.07912.54792.5479
F41.40922.37892.02202.26772.62162.64993.3249
F51.40922.37892.02202.26772.62163.32492.6499
H62.12871.09193.07912.62162.62161.77771.7777
H72.13691.09182.54792.64993.32491.77771.7783
H82.13691.09182.54793.32492.64991.77771.7783

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 109.484 C1 C2 H7 110.145
C1 C2 H8 110.145 C2 C1 H3 115.244
C2 C1 F4 109.730 C2 C1 F5 109.730
H3 C1 F4 107.330 H3 C1 F5 107.330
F4 C1 F5 107.146 H6 C2 H7 108.991
H6 C2 H8 108.991 H7 C2 H8 109.057
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.431      
2 C -0.523      
3 H 0.175      
4 F -0.332      
5 F -0.332      
6 H 0.206      
7 H 0.188      
8 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.397 2.674 0.000 2.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.911 0.624 0.000
y 0.624 -22.631 0.000
z 0.000 0.000 -25.753
Traceless
 xyz
x 3.281 0.624 0.000
y 0.624 0.701 0.000
z 0.000 0.000 -3.982
Polar
3z2-r2-7.963
x2-y21.720
xy0.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.120 -0.046 0.000
y -0.046 3.209 0.000
z 0.000 0.000 3.379


<r2> (average value of r2) Å2
<r2> 73.760
(<r2>)1/2 8.588