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

using model chemistry: B97D3/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-311G*
 hartrees
Energy at 0K-278.238043
Energy at 298.15K 
HF Energy-278.238043
Nuclear repulsion energy131.170658
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 B97D3/6-311G*
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' 3087 3087 29.38 44.82 0.73 0.84
2 A' 3013 3013 57.27 139.17 0.25 0.39
3 A' 3002 3002 9.27 98.70 0.02 0.04
4 A' 1475 1475 5.14 10.53 0.75 0.86
5 A' 1412 1412 67.68 3.82 0.57 0.72
6 A' 1369 1369 8.11 1.16 0.75 0.85
7 A' 1142 1142 26.47 1.00 0.02 0.04
8 A' 1100 1100 117.65 3.90 0.75 0.86
9 A' 850 850 10.37 5.73 0.24 0.39
10 A' 553 553 6.10 1.10 0.53 0.69
11 A' 454 454 10.95 1.27 0.67 0.80
12 A" 3081 3081 21.11 60.00 0.75 0.86
13 A" 1476 1476 0.68 8.31 0.75 0.86
14 A" 1376 1376 25.23 9.58 0.75 0.86
15 A" 1117 1117 118.60 2.40 0.75 0.86
16 A" 914 914 99.91 4.02 0.75 0.86
17 A" 376 376 0.14 0.51 0.75 0.86
18 A" 246 246 0.07 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 13021.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13021.2 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 B97D3/6-311G*
ABC
0.30848 0.29611 0.16926

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.165 0.000
C2 -0.904 1.043 0.000
H3 1.276 0.714 0.000
F4 0.324 -0.652 1.113
F5 0.324 -0.652 -1.113
H6 -1.801 0.416 0.000
H7 -0.913 1.680 0.892
H8 -0.913 1.680 -0.892

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50961.09881.38071.38072.14012.14922.1492
C21.50962.20432.37082.37081.09521.09561.0956
H31.09882.20432.00282.00283.09162.55292.5529
F41.38072.37082.00282.22562.62602.64893.3145
F51.38072.37082.00282.22562.62603.31452.6489
H62.14011.09523.09162.62602.62601.78401.7840
H72.14921.09562.55292.64893.31451.78401.7834
H82.14921.09562.55293.31452.64891.78401.7834

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 109.461 C1 C2 H7 110.159
C1 C2 H8 110.159 C2 C1 H3 114.442
C2 C1 F4 110.141 C2 C1 F5 110.141
H3 C1 F4 107.208 H3 C1 F5 107.208
F4 C1 F5 107.412 H6 C2 H7 109.039
H6 C2 H8 109.039 H7 C2 H8 108.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.309      
2 C -0.663      
3 H 0.167      
4 F -0.236      
5 F -0.236      
6 H 0.225      
7 H 0.217      
8 H 0.217      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.305 2.085 0.000 2.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.545 0.582 0.000
y 0.582 -22.733 0.000
z 0.000 0.000 -25.067
Traceless
 xyz
x 2.355 0.582 0.000
y 0.582 0.573 0.000
z 0.000 0.000 -2.928
Polar
3z2-r2-5.856
x2-y21.188
xy0.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.720 -0.121 0.000
y -0.121 3.667 0.000
z 0.000 0.000 3.685


<r2> (average value of r2) Å2
<r2> 72.954
(<r2>)1/2 8.541