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

using model chemistry: wB97X-D/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 wB97X-D/3-21G
 hartrees
Energy at 0K-276.725658
Energy at 298.15K 
HF Energy-276.725658
Nuclear repulsion energy130.652709
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/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' 3198 3198 10.93 39.35 0.70 0.82
2 A' 3124 3124 54.11 105.13 0.29 0.45
3 A' 3113 3113 2.12 77.58 0.02 0.04
4 A' 1556 1556 6.26 20.51 0.75 0.86
5 A' 1488 1488 46.49 3.74 0.74 0.85
6 A' 1454 1454 29.89 3.49 0.75 0.86
7 A' 1197 1197 36.05 1.86 0.12 0.21
8 A' 1149 1149 86.73 5.35 0.74 0.85
9 A' 893 893 5.46 7.00 0.20 0.34
10 A' 553 553 7.20 1.02 0.55 0.71
11 A' 445 445 15.10 1.28 0.67 0.80
12 A" 3199 3199 5.87 52.33 0.75 0.86
13 A" 1562 1562 1.95 15.31 0.75 0.86
14 A" 1451 1451 40.68 12.17 0.75 0.86
15 A" 1222 1222 97.96 4.08 0.75 0.86
16 A" 1008 1008 34.65 5.50 0.75 0.86
17 A" 362 362 0.01 0.37 0.75 0.86
18 A" 258 258 0.11 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13616.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13616.6 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/3-21G
ABC
0.30097 0.29856 0.16795

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.328 0.171 0.000
C2 -0.911 1.028 0.000
H3 1.247 0.760 0.000
F4 0.328 -0.647 1.128
F5 0.328 -0.647 -1.128
H6 -1.791 0.382 0.000
H7 -0.928 1.657 0.891
H8 -0.928 1.657 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50701.09141.39351.39352.12962.14052.1405
C21.50702.17502.36972.36971.09191.09091.0909
H31.09142.17502.02392.02393.06162.51642.5164
F41.39352.36972.02392.25632.61192.63523.3115
F51.39352.36972.02392.25632.61193.31152.6352
H62.12961.09193.06162.61192.61191.77921.7792
H72.14051.09092.51642.63523.31151.77921.7826
H82.14051.09092.51643.31152.63521.77921.7826

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 109.010 C1 C2 H7 109.925
C1 C2 H8 109.925 C2 C1 H3 112.676
C2 C1 F4 109.511 C2 C1 F5 109.511
H3 C1 F4 108.460 H3 C1 F5 108.460
F4 C1 F5 108.112 H6 C2 H7 109.193
H6 C2 H8 109.193 H7 C2 H8 109.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.386      
2 C -0.700      
3 H 0.210      
4 F -0.308      
5 F -0.308      
6 H 0.253      
7 H 0.234      
8 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.315 2.215 0.000 2.237
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.046 0.664 0.000
y 0.664 -22.404 0.000
z 0.000 0.000 -24.987
Traceless
 xyz
x 2.650 0.664 0.000
y 0.664 0.613 0.000
z 0.000 0.000 -3.262
Polar
3z2-r2-6.525
x2-y21.358
xy0.664
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.980 -0.017 0.000
y -0.017 2.990 0.000
z 0.000 0.000 3.104


<r2> (average value of r2) Å2
<r2> 73.070
(<r2>)1/2 8.548