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

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-278.391904
Energy at 298.15K 
HF Energy-278.391904
Nuclear repulsion energy131.851510
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/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' 3131 3027 19.82 40.78 0.70 0.82
2 A' 3071 2969 42.99 121.97 0.28 0.44
3 A' 3050 2949 3.59 115.11 0.01 0.03
4 A' 1482 1433 5.44 9.50 0.75 0.86
5 A' 1435 1387 70.96 2.84 0.49 0.66
6 A' 1388 1342 5.46 0.90 0.75 0.86
7 A' 1160 1122 34.60 1.14 0.04 0.07
8 A' 1133 1096 108.32 4.04 0.73 0.85
9 A' 871 842 9.31 5.49 0.23 0.37
10 A' 563 545 6.47 0.98 0.54 0.70
11 A' 463 448 13.00 1.13 0.65 0.79
12 A" 3126 3022 12.97 56.94 0.75 0.86
13 A" 1485 1436 0.72 7.36 0.75 0.86
14 A" 1395 1349 25.00 8.52 0.75 0.86
15 A" 1145 1107 131.34 2.38 0.75 0.86
16 A" 943 912 80.95 3.75 0.75 0.86
17 A" 381 368 0.10 0.45 0.75 0.86
18 A" 241 233 0.08 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13232.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 12792.7 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/6-311G**
ABC
0.31262 0.29844 0.17122

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.167 0.000
C2 -0.904 1.036 0.000
H3 1.268 0.718 0.000
F4 0.324 -0.649 1.105
F5 0.324 -0.649 -1.105
H6 -1.792 0.403 0.000
H7 -0.915 1.669 0.889
H8 -0.915 1.669 -0.889

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50451.09331.37311.37312.12932.14072.1407
C21.50452.19512.35952.35951.09131.09141.0914
H31.09332.19511.99501.99503.07662.54182.5418
F41.37312.35951.99502.20902.60842.63733.2990
F51.37312.35951.99502.20902.60843.29902.6373
H62.12931.09133.07662.60842.60841.77901.7790
H72.14071.09142.54182.63733.29901.77901.7780
H82.14071.09142.54183.29902.63731.77901.7780

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 109.192 C1 C2 H7 110.091
C1 C2 H8 110.091 C2 C1 H3 114.413
C2 C1 F4 110.079 C2 C1 F5 110.079
H3 C1 F4 107.433 H3 C1 F5 107.433
F4 C1 F5 107.107 H6 C2 H7 109.178
H6 C2 H8 109.178 H7 C2 H8 109.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.369      
2 C -0.336      
3 H 0.091      
4 F -0.247      
5 F -0.247      
6 H 0.129      
7 H 0.121      
8 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.308 2.169 0.000 2.190
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.558 0.581 0.000
y 0.581 -22.835 0.000
z 0.000 0.000 -25.260
Traceless
 xyz
x 2.489 0.581 0.000
y 0.581 0.574 0.000
z 0.000 0.000 -3.063
Polar
3z2-r2-6.126
x2-y21.277
xy0.581
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.660 -0.109 0.000
y -0.109 3.606 0.000
z 0.000 0.000 3.622


<r2> (average value of r2) Å2
<r2> 72.397
(<r2>)1/2 8.509