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

using model chemistry: BLYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-278.358629
Energy at 298.15K 
HF Energy-278.358629
Nuclear repulsion energy130.546408
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 BLYP/6-311+G(3df,2p)
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' 3050 3033 14.37 37.45 0.72 0.84
2 A' 2979 2962 30.49 158.32 0.16 0.28
3 A' 2974 2958 5.11 108.40 0.02 0.04
4 A' 1451 1443 4.69 4.43 0.75 0.86
5 A' 1381 1374 41.79 0.62 0.70 0.82
6 A' 1346 1338 11.99 1.38 0.47 0.64
7 A' 1118 1112 20.76 2.21 0.02 0.05
8 A' 1070 1064 116.77 3.38 0.73 0.84
9 A' 834 829 9.48 6.82 0.13 0.23
10 A' 541 538 5.50 1.17 0.26 0.42
11 A' 442 440 10.26 1.07 0.64 0.78
12 A" 3043 3026 10.02 54.41 0.75 0.86
13 A" 1451 1443 1.86 3.71 0.75 0.86
14 A" 1328 1321 11.45 3.86 0.75 0.86
15 A" 1078 1072 104.88 1.55 0.75 0.86
16 A" 875 870 123.17 3.19 0.75 0.86
17 A" 370 368 0.40 0.53 0.75 0.86
18 A" 220 218 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12773.6 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 12703.4 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 BLYP/6-311+G(3df,2p)
ABC
0.30642 0.29233 0.16755

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.170 0.000
C2 -0.904 1.055 0.000
H3 1.280 0.708 0.000
F4 0.323 -0.660 1.117
F5 0.323 -0.660 -1.117
H6 -1.807 0.436 0.000
H7 -0.902 1.692 0.891
H8 -0.902 1.692 -0.891

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51301.09831.39101.39102.14712.14732.1473
C21.51302.21182.38592.38591.09511.09541.0954
H31.09832.21182.00862.00863.09982.55422.5542
F41.39102.38592.00862.23332.64322.66093.3259
F51.39102.38592.00862.23332.64323.32592.6609
H62.14711.09513.09982.64322.64321.78641.7864
H72.14731.09542.55422.66093.32591.78641.7826
H82.14731.09542.55423.32592.66091.78641.7826

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 109.785 C1 C2 H7 109.784
C1 C2 H8 109.784 C2 C1 H3 114.849
C2 C1 F4 110.414 C2 C1 F5 110.414
H3 C1 F4 106.997 H3 C1 F5 106.997
F4 C1 F5 106.786 H6 C2 H7 109.280
H6 C2 H8 109.280 H7 C2 H8 108.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.602      
2 C -0.418      
3 H 0.155      
4 F -0.413      
5 F -0.413      
6 H 0.165      
7 H 0.161      
8 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.387 2.315 0.000 2.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.941 0.456 0.000
y 0.456 -23.409 0.000
z 0.000 0.000 -26.051
Traceless
 xyz
x 2.789 0.456 0.000
y 0.456 0.587 0.000
z 0.000 0.000 -3.376
Polar
3z2-r2-6.753
x2-y21.468
xy0.456
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.536 -0.250 0.000
y -0.250 4.614 0.000
z 0.000 0.000 4.614


<r2> (average value of r2) Å2
<r2> 73.938
(<r2>)1/2 8.599