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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: M06-2X/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-349.685804
Energy at 298.15K-349.687531
HF Energy-349.685804
Nuclear repulsion energy130.973644
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(2df,p)
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 1104 1052 0.16      
2 A 887 845 44.76      
3 A 533 507 0.08      
4 A 201 191 0.18      
5 B 965 919 86.86      
6 B 657 626 14.05      

Unscaled Zero Point Vibrational Energy (zpe) 2173.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 2069.7 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 M06-2X/6-31G(2df,p)
ABC
0.73859 0.19710 0.17203

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.599 1.232 -0.476
O2 0.599 0.274 0.536
O3 -0.599 -0.274 0.536
F4 -0.599 -1.232 -0.476

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.39342.17392.7392
O21.39341.31672.1739
O32.17391.31671.3934
F42.73922.17391.3934

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.637 O2 O3 F4 106.637
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.154      
2 O 0.154      
3 O 0.154      
4 F -0.154      


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 0.478 0.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.446 -0.241 0.000
y -0.241 -19.897 0.000
z 0.000 0.000 -19.155
Traceless
 xyz
x 0.080 -0.241 0.000
y -0.241 -0.596 0.000
z 0.000 0.000 0.517
Polar
3z2-r21.033
x2-y20.451
xy-0.241
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.144 0.781 0.000
y 0.781 2.998 0.000
z 0.000 0.000 2.213


<r2> (average value of r2) Å2
<r2> 61.658
(<r2>)1/2 7.852