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All results from a given calculation for C2H2F2 (Ethene, 1,2-difluoro-, (Z)-)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-277.052399
Energy at 298.15K-277.054708
Nuclear repulsion energy110.658404
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 B3LYP/LANL2DZ
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 3287 3160 11.32      
2 A1 1744 1676 32.02      
3 A1 1269 1220 21.95      
4 A1 951 914 56.09      
5 A1 226 217 2.88      
6 A2 884 850 0.00      
7 A2 482 464 0.00      
8 B1 783 752 68.44      
9 B2 3255 3129 5.14      
10 B2 1364 1311 11.51      
11 B2 1073 1031 109.59      
12 B2 731 703 26.43      

Unscaled Zero Point Vibrational Energy (zpe) 8024.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 7712.7 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 B3LYP/LANL2DZ
ABC
0.66814 0.18545 0.14516

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.669 0.601
C2 0.000 -0.669 0.601
F3 0.000 1.423 -0.568
F4 0.000 -1.423 -0.568
H5 0.000 1.267 1.506
H6 0.000 -1.267 1.506

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.33811.39102.39641.08432.1368
C21.33812.39641.39102.13681.0843
F31.39102.39642.84572.07943.3963
F42.39641.39102.84573.39632.0794
H51.08432.13682.07943.39632.5338
H62.13681.08433.39632.07942.5338

picture of Ethene, 1,2-difluoro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 122.816 C1 C2 H6 123.463
C2 C1 F3 122.816 C2 C1 H5 123.463
F3 C1 H5 113.721 F4 C2 H6 113.721
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 C -0.005      
3 F -0.218      
4 F -0.218      
5 H 0.223      
6 H 0.223      


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 3.333 3.333
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.579 0.000 0.000
y 0.000 -23.236 0.000
z 0.000 0.000 -19.396
Traceless
 xyz
x -1.263 0.000 0.000
y 0.000 -2.248 0.000
z 0.000 0.000 3.511
Polar
3z2-r27.022
x2-y20.657
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.521 0.000 0.000
y 0.000 4.684 0.000
z 0.000 0.000 2.945


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000