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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: wB97X-D/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-311G**
 hartrees
Energy at 0K-349.797877
Energy at 298.15K-349.799477
HF Energy-349.797877
Nuclear repulsion energy127.912742
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/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 1164 1113 14.28      
2 A 710 679 69.19      
3 A 491 469 17.49      
4 A 229 219 0.39      
5 B 772 739 122.98      
6 B 594 568 59.82      

Unscaled Zero Point Vibrational Energy (zpe) 1979.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 1893.7 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/6-311G**
ABC
0.73322 0.18163 0.15935

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.588 1.324 -0.455
O2 0.588 0.295 0.512
O3 -0.588 -0.295 0.512
F4 -0.588 -1.324 -0.455

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.41142.22242.8975
O21.41141.31602.2224
O32.22241.31601.4114
F42.89752.22241.4114

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.092 O2 O3 F4 109.092
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.152      
2 O 0.152      
3 O 0.152      
4 F -0.152      


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 1.007 1.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.993 -0.779 0.000
y -0.779 -21.376 0.000
z 0.000 0.000 -19.473
Traceless
 xyz
x 0.432 -0.779 0.000
y -0.779 -1.643 0.000
z 0.000 0.000 1.211
Polar
3z2-r22.422
x2-y21.383
xy-0.779
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.726 1.080 0.000
y 1.080 3.337 0.000
z 0.000 0.000 1.943


<r2> (average value of r2) Å2
<r2> 65.734
(<r2>)1/2 8.108