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

using model chemistry: B3LYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/STO-3G
 hartrees
Energy at 0K-274.436751
Energy at 298.15K 
HF Energy-274.436751
Nuclear repulsion energy127.654135
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 B3LYP/STO-3G
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' 3491 3116 0.29 25.25 0.75 0.86
2 A' 3312 2956 0.05 39.54 0.02 0.04
3 A' 3138 2800 36.99 42.09 0.36 0.53
4 A' 1665 1486 2.61 15.90 0.75 0.86
5 A' 1538 1372 6.50 3.24 0.72 0.84
6 A' 1454 1297 35.73 6.54 0.72 0.84
7 A' 1195 1067 26.67 2.34 0.39 0.56
8 A' 1143 1020 29.77 5.99 0.68 0.81
9 A' 897 800 1.01 6.43 0.21 0.35
10 A' 541 483 2.51 0.89 0.54 0.70
11 A' 431 385 4.38 1.54 0.67 0.80
12 A" 3487 3112 0.14 27.70 0.75 0.86
13 A" 1667 1488 0.81 13.33 0.75 0.86
14 A" 1462 1304 50.39 5.45 0.75 0.86
15 A" 1242 1108 36.86 4.61 0.75 0.86
16 A" 1021 911 3.50 4.94 0.75 0.86
17 A" 350 312 0.00 0.48 0.75 0.86
18 A" 161 144 0.01 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14097.5 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 12580.6 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 B3LYP/STO-3G
ABC
0.29474 0.27531 0.15884

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.334 0.147 0.000
C2 -0.934 1.096 0.000
H3 1.275 0.781 0.000
F4 0.334 -0.678 1.141
F5 0.334 -0.678 -1.141
H6 -1.856 0.495 0.000
H7 -0.919 1.734 0.896
H8 -0.919 1.734 -0.896

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.58411.13411.40771.40772.21762.21222.2122
C21.58412.23152.46092.46091.10031.10041.1004
H31.13412.23152.07692.07693.14382.55482.5548
F41.40772.46092.07692.28112.73372.72963.3968
F51.40772.46092.07692.28112.73373.39682.7296
H62.21761.10033.14382.73372.73371.79341.7934
H72.21221.10042.55482.72963.39681.79341.7920
H82.21221.10042.55483.39682.72961.79341.7920

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 110.101 C1 C2 H7 109.677
C1 C2 H8 109.677 C2 C1 H3 109.239
C2 C1 F4 110.548 C2 C1 F5 110.548
H3 C1 F4 109.118 H3 C1 F5 109.118
F4 C1 F5 108.239 H6 C2 H7 109.167
H6 C2 H8 109.167 H7 C2 H8 109.032
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 C -0.241      
3 H 0.060      
4 F -0.105      
5 F -0.105      
6 H 0.084      
7 H 0.084      
8 H 0.084      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.166 1.117 0.000 1.130
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.919 0.339 0.000
y 0.339 -20.475 0.000
z 0.000 0.000 -21.876
Traceless
 xyz
x 1.257 0.339 0.000
y 0.339 0.423 0.000
z 0.000 0.000 -1.680
Polar
3z2-r2-3.359
x2-y20.556
xy0.339
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.772 -0.081 0.000
y -0.081 1.936 0.000
z 0.000 0.000 2.027


<r2> (average value of r2) Å2
<r2> 75.142
(<r2>)1/2 8.668