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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-277.167583
Energy at 298.15K 
HF Energy-277.167583
Nuclear repulsion energy110.999933
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 B3LYPultrafine/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/aug-cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.330 0.573 0.000
C2 0.330 -0.573 0.000
F3 0.330 1.742 0.000
F4 -0.330 -1.742 0.000
H5 -1.406 0.667 0.000
H6 1.406 -0.667 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32171.34282.31491.08042.1333
C21.32172.31491.34282.13331.0804
F31.34282.31493.54642.04182.6390
F42.31491.34283.54642.63902.0418
H51.08042.13332.04182.63903.1129
H62.13331.08042.63902.04183.1129

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 120.634 C1 C2 H6 124.970
C2 C1 F3 120.634 C2 C1 H5 124.970
F3 C1 H5 114.396 F4 C2 H6 114.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.133      
2 C -0.133      
3 F -0.396      
4 F -0.396      
5 H 0.529      
6 H 0.529      


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 -19.268 -2.623 0.000
y -2.623 -26.149 0.000
z 0.000 0.000 -22.650
Traceless
 xyz
x 5.132 -2.623 0.000
y -2.623 -5.190 0.000
z 0.000 0.000 0.058
Polar
3z2-r20.117
x2-y26.881
xy-2.623
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 80.792
(<r2>)1/2 8.988