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

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-177.769826
Energy at 298.15K 
HF Energy-177.769826
Nuclear repulsion energy67.315312
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 B3PW91/6-31+G**
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' 3296 3164 1.48      
2 A' 3234 3105 6.97      
3 A' 3194 3067 1.14      
4 A' 1724 1656 114.66      
5 A' 1410 1354 5.58      
6 A' 1332 1278 1.43      
7 A' 1173 1126 117.24      
8 A' 938 900 39.84      
9 A' 482 463 3.62      
10 A" 961 923 40.17      
11 A" 888 852 62.57      
12 A" 725 696 4.55      

Unscaled Zero Point Vibrational Energy (zpe) 9678.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 9292.1 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 B3PW91/6-31+G**
ABC
2.16835 0.35202 0.30285

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.436 0.000
C2 1.190 -0.146 0.000
F3 -1.147 -0.277 0.000
H4 -0.194 1.504 0.000
H5 1.296 -1.225 0.000
H6 2.081 0.470 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32471.35061.08552.10722.0813
C21.32472.34042.15401.08431.0836
F31.35062.34042.01992.62043.3133
H41.08552.15402.01993.10982.4993
H52.10721.08432.62043.10981.8685
H62.08131.08363.31332.49931.8685

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 121.697 C1 C2 H6 119.248
C2 C1 F3 122.038 C2 C1 H4 126.398
F3 C1 H4 111.564 H5 C2 H6 119.055
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.114      
2 C -0.335      
3 F -0.280      
4 H 0.160      
5 H 0.175      
6 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.260 0.883 0.000 1.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.611 -0.854 0.000
y -0.854 -15.414 0.000
z 0.000 0.000 -19.270
Traceless
 xyz
x -0.269 -0.854 0.000
y -0.854 3.027 0.000
z 0.000 0.000 -2.758
Polar
3z2-r2-5.515
x2-y2-2.197
xy-0.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.925 -0.576 0.000
y -0.576 3.562 0.000
z 0.000 0.000 2.622


<r2> (average value of r2) Å2
<r2> 43.214
(<r2>)1/2 6.574