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All results from a given calculation for CH2CF2 (Ethene, 1,1-difluoro-)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-276.778758
Energy at 298.15K-276.781270
HF Energy-276.778758
Nuclear repulsion energy117.801495
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 PBE1PBE/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 A1 3250 3089 6.12      
2 A1 1828 1737 282.40      
3 A1 1428 1357 2.26      
4 A1 969 921 66.95      
5 A1 552 524 4.37      
6 A2 728 692 0.00      
7 B1 815 774 91.00      
8 B1 642 610 2.12      
9 B2 3351 3185 0.06      
10 B2 1388 1319 229.68      
11 B2 975 927 10.64      
12 B2 438 416 0.94      

Unscaled Zero Point Vibrational Energy (zpe) 8181.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 7775.1 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 PBE1PBE/6-31G*
ABC
0.36638 0.34883 0.17869

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.382
C2 0.000 0.000 0.062
H3 0.000 0.938 1.921
H4 0.000 -0.938 1.921
F5 0.000 1.079 -0.695
F6 0.000 -1.079 -0.695

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.32041.08111.08112.34062.3406
C21.32042.08182.08181.31781.3178
H31.08112.08181.87522.61913.3025
H41.08112.08181.87523.30252.6191
F52.34061.31782.61913.30252.1581
F62.34061.31783.30252.61912.1581

picture of Ethene, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 125.036 C1 C2 F6 125.036
C2 C1 H3 119.860 C2 C1 H4 119.860
H3 C1 H4 120.279 F5 C2 F6 109.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.524      
2 C 0.606      
3 H 0.201      
4 H 0.201      
5 F -0.242      
6 F -0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.992 0.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.957 0.000 0.000
y 0.000 -21.200 0.000
z 0.000 0.000 -20.074
Traceless
 xyz
x -1.320 0.000 0.000
y 0.000 -0.184 0.000
z 0.000 0.000 1.504
Polar
3z2-r23.009
x2-y2-0.757
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.629 0.000 0.000
y 0.000 3.067 0.000
z 0.000 0.000 4.523


<r2> (average value of r2) Å2
<r2> 63.432
(<r2>)1/2 7.964