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

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-276.983045
Energy at 298.15K-276.985373
HF Energy-276.983045
Nuclear repulsion energy112.778325
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 B97D3/6-311G**
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 3174 3129 15.85      
2 A1 1713 1689 51.28      
3 A1 1258 1240 34.55      
4 A1 985 971 66.93      
5 A1 229 225 2.20      
6 A2 809 797 0.00      
7 A2 493 486 0.00      
8 B1 754 743 42.38      
9 B2 3150 3105 0.53      
10 B2 1359 1340 26.44      
11 B2 1106 1090 126.97      
12 B2 757 746 31.62      

Unscaled Zero Point Vibrational Energy (zpe) 7893.4 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 7780.5 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 B97D3/6-311G**
ABC
0.70792 0.19054 0.15013

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.666 0.578
C2 0.000 -0.666 0.578
F3 0.000 1.402 -0.551
F4 0.000 -1.402 -0.551
H5 0.000 1.248 1.496
H6 0.000 -1.248 1.496

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.33301.34752.35651.08642.1229
C21.33302.35651.34752.12291.0864
F31.34752.35652.80382.05283.3482
F42.35651.34752.80383.34822.0528
H51.08642.12292.05283.34822.4953
H62.12291.08643.34822.05282.4953

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 123.145 C1 C2 H6 122.359
C2 C1 F3 123.145 C2 C1 H5 122.359
F3 C1 H5 114.496 F4 C2 H6 114.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.081      
2 C 0.081      
3 F -0.194      
4 F -0.194      
5 H 0.113      
6 H 0.113      


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 2.227 2.227
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.248 0.000 0.000
y 0.000 -22.011 0.000
z 0.000 0.000 -19.494
Traceless
 xyz
x -1.495 0.000 0.000
y 0.000 -1.140 0.000
z 0.000 0.000 2.635
Polar
3z2-r25.270
x2-y2-0.237
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.001 0.000 0.000
y 0.000 4.829 0.000
z 0.000 0.000 3.337


<r2> (average value of r2) Å2
<r2> 71.044
(<r2>)1/2 8.429