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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-177.753523
Energy at 298.15K 
HF Energy-177.753523
Nuclear repulsion energy67.667866
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 B1B95/6-31G**
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' 3321 3171 3.16 42.24 0.72 0.84
2 A' 3246 3100 11.72 125.40 0.22 0.36
3 A' 3221 3075 2.35 37.40 0.19 0.31
4 A' 1768 1688 101.06 14.30 0.10 0.17
5 A' 1440 1375 5.65 2.91 0.59 0.74
6 A' 1353 1292 1.63 18.06 0.57 0.73
7 A' 1211 1157 97.98 2.77 0.11 0.20
8 A' 960 917 26.67 4.70 0.42 0.59
9 A' 484 462 3.70 1.44 0.67 0.80
10 A" 987 942 24.44 0.64 0.75 0.86
11 A" 880 840 57.16 1.07 0.75 0.86
12 A" 740 707 0.69 8.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9805.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 9362.3 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 B1B95/6-31G**
ABC
2.20632 0.35487 0.30570

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.430 0.000
C2 1.185 -0.153 0.000
F3 -1.144 -0.265 0.000
H4 -0.176 1.500 0.000
H5 1.283 -1.231 0.000
H6 2.079 0.455 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.32031.33791.08432.09872.0788
C21.32032.33112.14091.08231.0812
F31.33792.33112.01212.61233.3017
H41.08432.14092.01213.09602.4848
H52.09871.08232.61233.09601.8642
H62.07881.08123.30172.48481.8642

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 121.420 C1 C2 H6 119.571
C2 C1 F3 122.549 C2 C1 H4 125.538
F3 C1 H4 111.913 H5 C2 H6 119.009
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.182      
2 C -0.421      
3 F -0.274      
4 H 0.158      
5 H 0.181      
6 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.990 0.771 0.000 1.255
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.966 -0.605 0.000
y -0.605 -15.086 0.000
z 0.000 0.000 -18.435
Traceless
 xyz
x -0.205 -0.605 0.000
y -0.605 2.615 0.000
z 0.000 0.000 -2.410
Polar
3z2-r2-4.820
x2-y2-1.880
xy-0.605
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.336 -0.520 0.000
y -0.520 3.237 0.000
z 0.000 0.000 1.465


<r2> (average value of r2) Å2
<r2> 42.553
(<r2>)1/2 6.523