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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-276.983251
Energy at 298.15K-276.985543
HF Energy-276.983251
Nuclear repulsion energy110.954898
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 wB97X-D/cc-pVDZ
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 3280 3125 0.00      
2 Ag 1792 1708 0.00      
3 Ag 1323 1260 0.00      
4 Ag 1164 1108 0.00      
5 Ag 559 533 0.00      
6 Au 908 865 83.38      
7 Au 339 323 5.15      
8 Bg 826 787 0.00      
9 Bu 3271 3116 13.89      
10 Bu 1310 1248 19.07      
11 Bu 1186 1129 343.60      
12 Bu 322 307 13.58      

Unscaled Zero Point Vibrational Energy (zpe) 8139.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 7753.8 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 wB97X-D/cc-pVDZ
ABC
1.90967 0.13401 0.12522

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.332 0.574 0.000
C2 0.332 -0.574 0.000
F3 0.332 1.741 0.000
F4 -0.332 -1.741 0.000
H5 -1.411 0.674 0.000
H6 1.411 -0.674 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.32631.34262.31571.08412.1437
C21.32632.31571.34262.14371.0841
F31.34262.31573.54552.04392.6456
F42.31571.34263.54552.64562.0439
H51.08412.14372.04392.64563.1277
H62.14371.08412.64562.04393.1277

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 120.376 C1 C2 H6 125.283
C2 C1 F3 120.376 C2 C1 H5 125.283
F3 C1 H5 114.341 F4 C2 H6 114.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.108      
2 C 0.108      
3 F -0.290      
4 F -0.290      
5 H 0.182      
6 H 0.182      


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 -18.887 -2.801 0.000
y -2.801 -26.291 0.000
z 0.000 0.000 -22.587
Traceless
 xyz
x 5.552 -2.801 0.000
y -2.801 -5.554 0.000
z 0.000 0.000 0.002
Polar
3z2-r20.004
x2-y27.404
xy-2.801
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.682 -0.507 0.000
y -0.507 4.993 0.000
z 0.000 0.000 2.592


<r2> (average value of r2) Å2
<r2> 80.718
(<r2>)1/2 8.984