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All results from a given calculation for CH2CHF (Ethene, fluoro-)

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-176.887574
Energy at 298.15K 
HF Energy-176.887574
Nuclear repulsion energy68.225731
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 HF/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' 3438 3103 7.67 37.15 0.64 0.78
2 A' 3402 3070 9.08 100.82 0.31 0.47
3 A' 3341 3016 0.41 62.09 0.15 0.27
4 A' 1892 1708 113.63 27.90 0.14 0.25
5 A' 1549 1398 6.88 3.97 0.51 0.68
6 A' 1450 1309 1.73 22.48 0.51 0.68
7 A' 1284 1159 114.72 2.77 0.12 0.21
8 A' 1030 930 46.53 5.44 0.36 0.53
9 A' 523 472 5.46 1.61 0.69 0.82
10 A" 1091 985 17.29 2.52 0.75 0.86
11 A" 1025 925 72.80 2.59 0.75 0.86
12 A" 800 722 0.07 9.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10412.1 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 9398.0 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 HF/6-31G**
ABC
2.23352 0.36136 0.31104

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.429 0.000
C2 1.174 -0.149 0.000
F3 -1.133 -0.266 0.000
H4 -0.176 1.487 0.000
H5 1.270 -1.219 0.000
H6 2.062 0.453 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.30811.32921.07302.07992.0619
C21.30812.30972.12091.07391.0728
F31.32922.30971.99772.58493.2748
H41.07302.12091.99773.06782.4651
H52.07991.07392.58493.06781.8495
H62.06191.07283.27482.46511.8495

picture of Ethene, fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.351 C1 C2 H6 119.671
C2 C1 F3 122.276 C2 C1 H4 125.633
F3 C1 H4 112.091 H5 C2 H6 118.978
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.298      
2 C -0.361      
3 F -0.369      
4 H 0.137      
5 H 0.153      
6 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.209 0.937 0.000 1.530
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.424 -0.797 0.000
y -0.797 -15.175 0.000
z 0.000 0.000 -18.668
Traceless
 xyz
x -0.502 -0.797 0.000
y -0.797 2.870 0.000
z 0.000 0.000 -2.369
Polar
3z2-r2-4.737
x2-y2-2.248
xy-0.797
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.317 -0.652 0.000
y -0.652 3.165 0.000
z 0.000 0.000 1.470


<r2> (average value of r2) Å2
<r2> 42.164
(<r2>)1/2 6.493