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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-349.443807
Energy at 298.15K-349.445085
HF Energy-349.443807
Nuclear repulsion energy118.084076
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 PBEPBE/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 1045 1030 22.53      
2 A 679 670 35.92      
3 A 409 403 3.04      
4 A 172 169 1.02      
5 B 689 679 109.63      
6 B 465 459 12.38      

Unscaled Zero Point Vibrational Energy (zpe) 1729.0 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1705.1 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 PBEPBE/6-31G
ABC
0.64990 0.14977 0.13181

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.566 1.514 -0.513
O2 0.566 0.306 0.577
O3 -0.566 -0.306 0.577
F4 -0.566 -1.514 -0.513

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.62742.40493.2334
O21.62741.28692.4049
O32.40491.28691.6274
F43.23342.40491.6274

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 110.676 O2 O3 F4 110.676
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.138      
2 O 0.138      
3 O 0.138      
4 F -0.138      


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 1.173 1.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.116 -1.058 0.000
y -1.058 -21.839 0.000
z 0.000 0.000 -19.200
Traceless
 xyz
x 0.404 -1.058 0.000
y -1.058 -2.181 0.000
z 0.000 0.000 1.778
Polar
3z2-r23.555
x2-y21.723
xy-1.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.759 1.523 0.000
y 1.523 4.282 0.000
z 0.000 0.000 1.918


<r2> (average value of r2) Å2
<r2> 76.468
(<r2>)1/2 8.745