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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-176.881952
Energy at 298.15K 
HF Energy-176.881952
Nuclear repulsion energy68.219114
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' 3456 3105 9.43      
2 A' 3427 3079 9.16      
3 A' 3363 3021 0.51      
4 A' 1894 1701 113.21      
5 A' 1561 1402 7.73      
6 A' 1457 1309 1.29      
7 A' 1286 1156 113.35      
8 A' 1033 928 47.80      
9 A' 524 471 5.40      
10 A" 1094 983 18.21      
11 A" 1026 922 73.71      
12 A" 800 719 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10459.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 9397.9 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
2.23824 0.36094 0.31082

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 0.428 0.000
C2 1.174 -0.149 0.000
F3 -1.134 -0.265 0.000
H4 -0.177 1.485 0.000
H5 1.273 -1.219 0.000
H6 2.063 0.451 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.30851.32911.07212.08142.0632
C21.30852.31092.12111.07371.0726
F31.32912.31091.99502.58883.2761
H41.07212.12111.99503.06842.4676
H52.08141.07372.58883.06841.8469
H62.06321.07263.27612.46761.8469

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 121.477 C1 C2 H6 119.773
C2 C1 F3 122.362 C2 C1 H4 125.707
F3 C1 H4 111.931 H5 C2 H6 118.750
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 0.257      
2 C -0.473      
3 F -0.366      
4 H 0.187      
5 H 0.203      
6 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.209 0.935 0.000 1.529
CHELPG 1.218 0.908 0.000 1.519
AIM -1.853 -0.369 0.000 1.890
ESP 1.196 0.901 0.000 1.497


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.413 -0.804 0.000
y -0.804 -15.197 0.000
z 0.000 0.000 -18.699
Traceless
 xyz
x -0.465 -0.804 0.000
y -0.804 2.860 0.000
z 0.000 0.000 -2.394
Polar
3z2-r2-4.789
x2-y2-2.217
xy-0.804
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.295 -0.638 0.000
y -0.638 3.121 0.000
z 0.000 0.000 1.429


<r2> (average value of r2) Å2
<r2> 42.193
(<r2>)1/2 6.496