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

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-277.075274
Energy at 298.15K-277.077719
HF Energy-277.075274
Nuclear repulsion energy114.121882
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-pVTZ
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 3254 3111 7.31      
2 A1 1801 1722 56.76      
3 A1 1299 1242 37.82      
4 A1 1041 996 64.52      
5 A1 239 229 2.17      
6 A2 896 856 0.00      
7 A2 527 504 0.00      
8 B1 796 761 44.20      
9 B2 3230 3088 3.53      
10 B2 1409 1347 36.20      
11 B2 1162 1110 132.07      
12 B2 787 753 30.70      

Unscaled Zero Point Vibrational Energy (zpe) 8220.6 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 7858.9 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-pVTZ
ABC
0.72291 0.19560 0.15395

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.660 0.572
C2 0.000 -0.660 0.572
F3 0.000 1.382 -0.546
F4 0.000 -1.382 -0.546
H5 0.000 1.239 1.483
H6 0.000 -1.239 1.483

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.31941.33052.32721.08012.1061
C21.31942.32721.33052.10611.0801
F31.33052.32722.76322.03433.3143
F42.32721.33052.76323.31432.0343
H51.08012.10612.03433.31432.4776
H62.10611.08013.31432.03432.4776

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 122.860 C1 C2 H6 122.424
C2 C1 F3 122.860 C2 C1 H5 122.424
F3 C1 H5 114.716 F4 C2 H6 114.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.058      
2 C 0.058      
3 F -0.162      
4 F -0.162      
5 H 0.104      
6 H 0.104      


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 2.252 2.252
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.289 0.000 0.000
y 0.000 -21.879 0.000
z 0.000 0.000 -19.594
Traceless
 xyz
x -1.553 0.000 0.000
y 0.000 -0.937 0.000
z 0.000 0.000 2.490
Polar
3z2-r24.979
x2-y2-0.410
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.403 0.000 0.000
y 0.000 4.959 0.000
z 0.000 0.000 3.495


<r2> (average value of r2) Å2
<r2> 69.645
(<r2>)1/2 8.345