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

using model chemistry: B97D3/6-311+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 B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-278.269691
Energy at 298.15K 
HF Energy-278.269691
Nuclear repulsion energy131.345040
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 B97D3/6-311+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' 3085 3045 16.83 38.81 0.73 0.84
2 A' 3000 2961 5.84 200.85 0.01 0.02
3 A' 2996 2957 39.24 64.78 0.47 0.64
4 A' 1457 1438 4.52 4.29 0.75 0.86
5 A' 1392 1374 53.23 0.80 0.55 0.71
6 A' 1355 1338 5.98 1.13 0.41 0.58
7 A' 1128 1114 23.46 2.30 0.03 0.07
8 A' 1094 1080 117.85 3.21 0.75 0.86
9 A' 845 834 8.74 6.58 0.13 0.24
10 A' 552 545 5.09 1.07 0.27 0.42
11 A' 452 446 10.32 1.02 0.62 0.76
12 A" 3078 3038 12.36 52.70 0.75 0.86
13 A" 1458 1439 1.33 3.41 0.75 0.86
14 A" 1345 1327 13.06 3.97 0.75 0.86
15 A" 1094 1080 124.15 1.63 0.75 0.86
16 A" 898 886 109.07 2.79 0.75 0.86
17 A" 376 371 0.38 0.48 0.75 0.86
18 A" 225 222 0.05 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12914.0 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 12746.1 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 B97D3/6-311+G(3df,2p)
ABC
0.31074 0.29543 0.16964

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.165 0.000
C2 -0.900 1.050 0.000
H3 1.275 0.708 0.000
F4 0.322 -0.655 1.108
F5 0.322 -0.655 -1.108
H6 -1.803 0.434 0.000
H7 -0.895 1.685 0.890
H8 -0.895 1.685 -0.890

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50851.09751.37871.37872.14132.14082.1408
C21.50852.20152.37232.37231.09281.09311.0931
H31.09752.20151.99931.99933.08982.54052.5405
F41.37872.37231.99932.21692.63202.64653.3089
F51.37872.37231.99932.21692.63203.30892.6465
H62.14131.09283.08982.63202.63201.78321.7832
H72.14081.09312.54052.64653.30891.78321.7795
H82.14081.09312.54053.30892.64651.78321.7795

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 109.772 C1 C2 H7 109.715
C1 C2 H8 109.715 C2 C1 H3 114.373
C2 C1 F4 110.422 C2 C1 F5 110.422
H3 C1 F4 107.135 H3 C1 F5 107.135
F4 C1 F5 107.023 H6 C2 H7 109.326
H6 C2 H8 109.326 H7 C2 H8 108.969
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.715      
2 C -0.354      
3 H 0.107      
4 F -0.434      
5 F -0.434      
6 H 0.137      
7 H 0.132      
8 H 0.132      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.375 2.233 0.000 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.637 0.454 0.000
y 0.454 -23.043 0.000
z 0.000 0.000 -25.575
Traceless
 xyz
x 2.672 0.454 0.000
y 0.454 0.563 0.000
z 0.000 0.000 -3.235
Polar
3z2-r2-6.470
x2-y21.406
xy0.454
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.476 -0.233 0.000
y -0.233 4.528 0.000
z 0.000 0.000 4.514


<r2> (average value of r2) Å2
<r2> 73.015
(<r2>)1/2 8.545