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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-277.086247
Energy at 298.15K-277.088427
HF Energy-277.086247
Nuclear repulsion energy109.683002
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 BLYP/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 Ag 3140 3127 0.00      
2 Ag 1672 1665 0.00      
3 Ag 1261 1257 0.00      
4 Ag 1093 1088 0.00      
5 Ag 532 530 0.00      
6 Au 874 871 72.22      
7 Au 323 322 4.29      
8 Bg 766 763 0.00      
9 Bu 3134 3121 15.32      
10 Bu 1246 1241 8.19      
11 Bu 1108 1104 283.46      
12 Bu 305 304 12.25      

Unscaled Zero Point Vibrational Energy (zpe) 7727.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 7697.0 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 BLYP/6-311G**
ABC
1.89356 0.13048 0.12207

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.336 0.576 0.000
C2 0.336 -0.576 0.000
F3 0.336 1.763 0.000
F4 -0.336 -1.763 0.000
H5 -1.420 0.672 0.000
H6 1.420 -0.672 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 H5 H6
C11.33411.36372.33991.08852.1542
C21.33412.33991.36372.15421.0885
F31.36372.33993.59022.06732.6658
F42.33991.36373.59022.66582.0673
H51.08852.15422.06732.66583.1417
H62.15421.08852.66582.06733.1417

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 120.297 C1 C2 H6 125.245
C2 C1 F3 120.297 C2 C1 H5 125.245
F3 C1 H5 114.459 F4 C2 H6 114.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.083      
2 C 0.083      
3 F -0.196      
4 F -0.196      
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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.116 -2.208 0.000
y -2.208 -25.495 0.000
z 0.000 0.000 -22.437
Traceless
 xyz
x 4.850 -2.208 0.000
y -2.208 -4.719 0.000
z 0.000 0.000 -0.131
Polar
3z2-r2-0.262
x2-y26.379
xy-2.208
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.539 -0.493 0.000
y -0.493 4.790 0.000
z 0.000 0.000 1.950


<r2> (average value of r2) Å2
<r2> 82.237
(<r2>)1/2 9.068