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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-276.982656
Energy at 298.15K-276.985006
Nuclear repulsion energy111.393030
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/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 3289 3164 7.35      
2 A1 1776 1708 22.87      
3 A1 1293 1244 17.20      
4 A1 986 948 56.72      
5 A1 227 218 2.87      
6 A2 908 873 0.00      
7 A2 484 465 0.00      
8 B1 800 770 42.27      
9 B2 3262 3138 1.14      
10 B2 1403 1350 11.83      
11 B2 1103 1061 85.26      
12 B2 740 712 26.16      

Unscaled Zero Point Vibrational Energy (zpe) 8135.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 7826.0 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/6-31G
ABC
0.67076 0.18924 0.14760

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 0.600
C2 0.000 -0.664 0.600
F3 0.000 1.408 -0.567
F4 0.000 -1.408 -0.567
H5 0.000 1.263 1.500
H6 0.000 -1.263 1.500

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32711.38432.37751.08072.1260
C21.32712.37751.38432.12601.0807
F31.38432.37752.81542.07163.3768
F42.37751.38432.81543.37682.0716
H51.08072.12602.07163.37682.5257
H62.12601.08073.37682.07162.5257

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 122.518 C1 C2 H6 123.683
C2 C1 F3 122.518 C2 C1 H5 123.683
F3 C1 H5 113.798 F4 C2 H6 113.798
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.140      
2 C 0.140      
3 F -0.302      
4 F -0.302      
5 H 0.163      
6 H 0.163      


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 2.899 2.899
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.999 0.000 0.000
y 0.000 -22.713 0.000
z 0.000 0.000 -19.485
Traceless
 xyz
x -0.900 0.000 0.000
y 0.000 -1.972 0.000
z 0.000 0.000 2.871
Polar
3z2-r25.742
x2-y20.715
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.335 0.000 0.000
y 0.000 4.529 0.000
z 0.000 0.000 3.061


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