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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-349.660434
Energy at 298.15K-349.662106
HF Energy-349.660434
Nuclear repulsion energy129.888008
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 M06-2X/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 1093 1035 0.09      
2 A 882 835 46.75      
3 A 517 489 0.11      
4 A 190 180 0.31      
5 B 958 907 89.16      
6 B 638 604 13.63      

Unscaled Zero Point Vibrational Energy (zpe) 2138.5 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 2025.1 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 M06-2X/6-31G*
ABC
0.73395 0.19257 0.16883

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.600 1.259 -0.474
O2 0.600 0.258 0.534
O3 -0.600 -0.258 0.534
F4 -0.600 -1.259 -0.474

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42042.18092.7892
O21.42041.30612.1809
O32.18091.30611.4204
F42.78922.18091.4204

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.169 O2 O3 F4 106.169
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.140      
2 O 0.140      
3 O 0.140      
4 F -0.140      


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 0.514 0.514
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.598 -0.308 0.000
y -0.308 -20.065 0.000
z 0.000 0.000 -19.229
Traceless
 xyz
x 0.048 -0.308 0.000
y -0.308 -0.651 0.000
z 0.000 0.000 0.603
Polar
3z2-r21.205
x2-y20.466
xy-0.308
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.880 0.835 0.000
y 0.835 2.818 0.000
z 0.000 0.000 1.968


<r2> (average value of r2) Å2
<r2> 62.695
(<r2>)1/2 7.918