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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-275.696377
Energy at 298.15K-275.698601
Nuclear repulsion energy111.383381
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 LSDA/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 Ag 3149 3090 0.00      
2 Ag 1763 1730 0.00      
3 Ag 1252 1229 0.00      
4 Ag 1190 1167 0.00      
5 Ag 554 543 0.00      
6 Au 877 861 58.59      
7 Au 338 332 3.27      
8 Bg 780 766 0.00      
9 Bu 3142 3083 14.93      
10 Bu 1286 1262 144.20      
11 Bu 1214 1192 128.03      
12 Bu 300 294 9.47      

Unscaled Zero Point Vibrational Energy (zpe) 7922.6 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 7774.5 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 LSDA/6-31G**
ABC
1.92267 0.13489 0.12605

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.329 0.577 0.000
C2 0.329 -0.577 0.000
F3 0.329 1.733 0.000
F4 -0.329 -1.733 0.000
H5 -1.422 0.660 0.000
H6 1.422 -0.660 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32881.33032.30971.09532.1437
C21.32882.30971.33032.14371.0953
F31.33032.30973.52742.05362.6299
F42.30971.33033.52742.62992.0536
H51.09532.14372.05362.62993.1344
H62.14371.09532.62992.05363.1344

picture of Ethene, 1,2-difluoro-, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 120.590 C1 C2 H6 124.054
C2 C1 F3 120.590 C2 C1 H5 124.054
F3 C1 H5 115.355 F4 C2 H6 115.355
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C 0.076      
3 F -0.212      
4 F -0.212      
5 H 0.135      
6 H 0.135      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.717 -1.843 0.000
y -1.843 -23.960 0.000
z 0.000 0.000 -21.947
Traceless
 xyz
x 4.236 -1.843 0.000
y -1.843 -3.628 0.000
z 0.000 0.000 -0.609
Polar
3z2-r2-1.217
x2-y25.243
xy-1.843
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.459 -0.496 0.000
y -0.496 4.533 0.000
z 0.000 0.000 1.695


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