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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-176.809692
Energy at 298.15K 
HF Energy-176.809692
Nuclear repulsion energy66.963509
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 mPW1PW91/3-21G
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' 3316 3165 2.09 37.35 0.70 0.82
2 A' 3243 3096 11.44 115.25 0.24 0.38
3 A' 3218 3072 1.86 34.03 0.18 0.30
4 A' 1757 1677 79.21 11.70 0.10 0.18
5 A' 1485 1417 3.66 3.96 0.58 0.73
6 A' 1390 1327 0.80 16.97 0.62 0.77
7 A' 1205 1150 61.33 2.75 0.17 0.29
8 A' 972 928 22.77 4.91 0.38 0.55
9 A' 484 462 3.42 1.89 0.68 0.81
10 A" 1026 980 22.57 1.38 0.75 0.86
11 A" 953 910 97.72 1.75 0.75 0.86
12 A" 747 713 1.12 9.95 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9897.3 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 9448.0 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 mPW1PW91/3-21G
ABC
2.20959 0.34459 0.29810

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
C2 1.200 -0.119 0.000
F3 -1.159 -0.298 0.000
H4 -0.177 1.498 0.000
H5 1.328 -1.193 0.000
H6 2.080 0.508 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31971.36851.08252.09782.0811
C21.31972.36542.12401.08161.0809
F31.36852.36542.04692.64363.3373
H41.08252.12402.04693.08382.4638
H52.09781.08162.64363.08381.8603
H62.08111.08093.33732.46381.8603

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 121.441 C1 C2 H6 119.871
C2 C1 F3 123.255 C2 C1 H4 124.003
F3 C1 H4 112.742 H5 C2 H6 118.688
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 C -0.510      
3 F -0.287      
4 H 0.226      
5 H 0.241      
6 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.158 0.858 0.000 1.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.195 -0.714 0.000
y -0.714 -15.132 0.000
z 0.000 0.000 -18.737
Traceless
 xyz
x -0.260 -0.714 0.000
y -0.714 2.833 0.000
z 0.000 0.000 -2.573
Polar
3z2-r2-5.146
x2-y2-2.063
xy-0.714
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.155 -0.456 0.000
y -0.456 2.927 0.000
z 0.000 0.000 0.983


<r2> (average value of r2) Å2
<r2> 43.396
(<r2>)1/2 6.588