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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-276.772016
Energy at 298.15K-276.774415
HF Energy-276.772016
Nuclear repulsion energy116.522633
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3160 3108 4.51      
2 A1 1748 1719 247.68      
3 A1 1381 1359 1.73      
4 A1 924 909 57.73      
5 A1 529 520 3.65      
6 A2 695 684 0.00      
7 B1 747 735 78.86      
8 B1 607 597 2.57      
9 B2 3257 3203 0.02      
10 B2 1313 1291 212.10      
11 B2 936 921 13.05      
12 B2 423 416 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 7859.9 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 7730.2 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 PBEPBEultrafine/6-31G*
ABC
0.35747 0.34209 0.17480

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.396
C2 0.000 0.000 0.063
H3 0.000 0.944 1.939
H4 0.000 -0.944 1.939
F5 0.000 1.093 -0.702
F6 0.000 -1.093 -0.702

Atom - Atom Distances (Å)
  C1 C2 H3 H4 F5 F6
C11.33271.08891.08892.36492.3649
C21.33272.10002.10001.33361.3336
H31.08892.10001.88742.64493.3346
H41.08892.10001.88743.33462.6449
F52.36491.33362.64493.33462.1853
F62.36491.33363.33462.64492.1853

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 124.985 C1 C2 F6 124.985
C2 C1 H3 119.930 C2 C1 H4 119.930
H3 C1 H4 120.140 F5 C2 F6 110.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.470      
2 C 0.533      
3 H 0.178      
4 H 0.178      
5 F -0.210      
6 F -0.210      


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 0.873 0.873
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.001 0.000 0.000
y 0.000 -21.069 -0.001
z 0.000 -0.001 -20.137
Traceless
 xyz
x -1.398 0.000 0.000
y 0.000 -0.000 -0.001
z 0.000 -0.001 1.398
Polar
3z2-r22.796
x2-y2-0.932
xy0.000
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.652 0.000 0.000
y 0.000 3.239 -0.003
z 0.000 -0.003 4.663


<r2> (average value of r2) Å2
<r2> 64.523
(<r2>)1/2 8.033