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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-278.230120
Energy at 298.15K 
HF Energy-278.230120
Nuclear repulsion energy132.370203
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' 3183 3183 14.29 46.45 0.74 0.85
2 A' 3089 3089 47.15 147.86 0.15 0.26
3 A' 3085 3085 15.55 53.03 0.09 0.17
4 A' 1506 1506 6.03 15.76 0.75 0.86
5 A' 1463 1463 77.30 3.04 0.65 0.79
6 A' 1408 1408 3.79 1.04 0.75 0.86
7 A' 1188 1188 76.03 2.28 0.29 0.44
8 A' 1164 1164 54.08 4.47 0.65 0.78
9 A' 890 890 6.11 6.44 0.25 0.39
10 A' 573 573 5.79 0.78 0.53 0.70
11 A' 469 469 12.22 0.95 0.62 0.76
12 A" 3181 3181 11.55 55.05 0.75 0.86
13 A" 1508 1508 0.00 10.49 0.75 0.86
14 A" 1428 1428 38.64 10.44 0.75 0.86
15 A" 1194 1194 145.90 2.89 0.75 0.86
16 A" 982 982 43.69 4.85 0.75 0.86
17 A" 385 385 0.12 0.23 0.75 0.86
18 A" 250 250 0.07 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13473.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13473.1 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 wB97X-D/6-31G**
ABC
0.31536 0.30052 0.17263

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 0.325 0.161 0.000
C2 -0.905 1.030 0.000
H3 1.263 0.728 0.000
F4 0.325 -0.644 1.099
F5 0.325 -0.644 -1.099
H6 -1.794 0.396 0.000
H7 -0.916 1.663 0.889
H8 -0.916 1.663 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50521.09601.36301.36302.13122.14142.1414
C21.50522.18802.35022.35021.09201.09171.0917
H31.09602.18801.99321.99323.07422.53192.5319
F41.36302.35021.99322.19852.60352.62853.2892
F51.36302.35021.99322.19852.60353.28922.6285
H62.13121.09203.07422.60352.60351.77961.7796
H72.14141.09172.53192.62853.28921.77961.7782
H82.14141.09172.53193.28922.62851.77961.7782

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 109.260 C1 C2 H7 110.079
C1 C2 H8 110.079 C2 C1 H3 113.593
C2 C1 F4 109.951 C2 C1 F5 109.951
H3 C1 F4 107.813 H3 C1 F5 107.813
F4 C1 F5 107.510 H6 C2 H7 109.168
H6 C2 H8 109.168 H7 C2 H8 109.067
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 0.490      
2 C -0.437      
3 H 0.101      
4 F -0.302      
5 F -0.302      
6 H 0.159      
7 H 0.145      
8 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.324 1.982 0.000 2.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.129 0.503 0.000
y 0.503 -22.264 0.000
z 0.000 0.000 -24.480
Traceless
 xyz
x 2.243 0.503 0.000
y 0.503 0.540 0.000
z 0.000 0.000 -2.783
Polar
3z2-r2-5.566
x2-y21.135
xy0.503
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.502 -0.050 0.000
y -0.050 3.451 0.000
z 0.000 0.000 3.462


<r2> (average value of r2) Å2
<r2> 71.609
(<r2>)1/2 8.462