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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-278.309388
Energy at 298.15K 
HF Energy-278.309388
Nuclear repulsion energy132.402476
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/6-311G**
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' 3160 3023 17.00 41.98 0.71 0.83
2 A' 3095 2960 45.48 113.36 0.27 0.43
3 A' 3068 2934 3.57 113.29 0.01 0.03
4 A' 1488 1423 7.37 9.63 0.75 0.85
5 A' 1450 1387 80.67 2.59 0.38 0.56
6 A' 1394 1334 2.42 0.75 0.71 0.83
7 A' 1173 1122 61.21 1.41 0.19 0.32
8 A' 1156 1105 84.97 3.98 0.65 0.79
9 A' 883 844 8.57 5.43 0.23 0.37
10 A' 574 549 6.41 0.94 0.55 0.71
11 A' 472 452 13.66 1.05 0.64 0.78
12 A" 3158 3021 11.38 54.35 0.75 0.86
13 A" 1490 1425 0.53 6.85 0.75 0.86
14 A" 1409 1348 28.68 8.49 0.75 0.86
15 A" 1166 1115 152.32 2.36 0.75 0.86
16 A" 961 919 67.28 3.62 0.75 0.86
17 A" 387 371 0.12 0.40 0.75 0.86
18 A" 244 233 0.08 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13363.2 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 12781.9 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 wB97X-D/6-311G**
ABC
0.31612 0.30021 0.17274

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.164 0.000
C2 -0.902 1.033 0.000
H3 1.265 0.719 0.000
F4 0.323 -0.646 1.098
F5 0.323 -0.646 -1.098
H6 -1.791 0.401 0.000
H7 -0.910 1.666 0.889
H8 -0.910 1.666 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50201.09341.36451.36452.12732.13662.1366
C21.50202.18992.35092.35091.09111.09091.0909
H31.09342.18991.98911.98913.07282.53352.5335
F41.36452.35091.98912.19552.60222.62863.2882
F51.36452.35091.98912.19552.60223.28822.6286
H62.12731.09113.07282.60222.60221.77921.7792
H72.13661.09092.53352.62863.28821.77921.7778
H82.13661.09092.53353.28822.62861.77921.7778

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 109.223 C1 C2 H7 109.972
C1 C2 H8 109.972 C2 C1 H3 114.159
C2 C1 F4 110.104 C2 C1 F5 110.104
H3 C1 F4 107.536 H3 C1 F5 107.536
F4 C1 F5 107.121 H6 C2 H7 109.257
H6 C2 H8 109.257 H7 C2 H8 109.143
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.361      
2 C -0.374      
3 H 0.098      
4 F -0.245      
5 F -0.245      
6 H 0.141      
7 H 0.133      
8 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.311 2.188 0.000 2.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.349 0.588 0.000
y 0.588 -22.659 0.000
z 0.000 0.000 -25.090
Traceless
 xyz
x 2.526 0.588 0.000
y 0.588 0.561 0.000
z 0.000 0.000 -3.086
Polar
3z2-r2-6.173
x2-y21.310
xy0.588
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.598 -0.090 0.000
y -0.090 3.550 0.000
z 0.000 0.000 3.566


<r2> (average value of r2) Å2
<r2> 71.821
(<r2>)1/2 8.475