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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311G**
 hartrees
Energy at 0K-278.125482
Energy at 298.15K 
HF Energy-278.125482
Nuclear repulsion energy132.527545
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 HSEh1PBE/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' 3163 3038 15.06 42.48 0.71 0.83
2 A' 3091 2968 45.48 118.13 0.27 0.43
3 A' 3072 2950 2.82 114.86 0.01 0.02
4 A' 1478 1420 7.80 9.42 0.75 0.85
5 A' 1441 1384 84.79 2.68 0.45 0.62
6 A' 1384 1329 1.56 0.68 0.72 0.84
7 A' 1168 1122 73.22 1.83 0.34 0.51
8 A' 1157 1111 69.33 3.36 0.62 0.76
9 A' 882 848 8.00 5.20 0.24 0.39
10 A' 570 548 5.87 0.94 0.58 0.73
11 A' 469 451 13.56 1.03 0.64 0.78
12 A" 3161 3036 10.00 54.69 0.75 0.86
13 A" 1481 1422 0.33 6.50 0.75 0.86
14 A" 1400 1345 28.04 8.96 0.75 0.86
15 A" 1164 1118 156.34 2.36 0.75 0.86
16 A" 958 920 59.03 3.51 0.75 0.86
17 A" 382 367 0.12 0.40 0.75 0.86
18 A" 243 233 0.08 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13332.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 12804.0 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 HSEh1PBE/6-311G**
ABC
0.31633 0.30137 0.17319

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.323 0.165 0.000
C2 -0.900 1.030 0.000
H3 1.266 0.720 0.000
F4 0.323 -0.645 1.097
F5 0.323 -0.645 -1.097
H6 -1.787 0.395 0.000
H7 -0.912 1.663 0.889
H8 -0.912 1.663 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.49781.09431.36391.36392.12252.13502.1350
C21.49782.18792.34642.34641.09161.09131.0913
H31.09432.18791.98911.98913.07062.53432.5343
F41.36392.34641.98912.19462.59582.62573.2858
F51.36392.34641.98912.19462.59583.28582.6257
H62.12251.09163.07062.59582.59581.77911.7791
H72.13501.09132.53432.62573.28581.77911.7782
H82.13501.09132.53433.28582.62571.77911.7782

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 109.107 C1 C2 H7 110.111
C1 C2 H8 110.111 C2 C1 H3 114.247
C2 C1 F4 110.071 C2 C1 F5 110.071
H3 C1 F4 107.518 H3 C1 F5 107.518
F4 C1 F5 107.133 H6 C2 H7 109.186
H6 C2 H8 109.186 H7 C2 H8 109.119
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.351      
2 C -0.388      
3 H 0.101      
4 F -0.242      
5 F -0.242      
6 H 0.145      
7 H 0.137      
8 H 0.137      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.312 2.141 0.000 2.164
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.426 0.569 0.000
y 0.569 -22.679 0.000
z 0.000 0.000 -25.062
Traceless
 xyz
x 2.444 0.569 0.000
y 0.569 0.565 0.000
z 0.000 0.000 -3.009
Polar
3z2-r2-6.019
x2-y21.253
xy0.569
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.632 -0.100 0.000
y -0.100 3.570 0.000
z 0.000 0.000 3.579


<r2> (average value of r2) Å2
<r2> 71.699
(<r2>)1/2 8.468