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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: BLYP/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 BLYP/6-31G*
 hartrees
Energy at 0K-349.815458
Energy at 298.15K-349.816812
HF Energy-349.815458
Nuclear repulsion energy121.299467
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/6-31G*
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 1219 1209 37.61      
2 A 692 687 36.94      
3 A 428 424 8.03      
4 A 185 184 0.61      
5 B 680 674 124.13      
6 B 495 491 35.98      

Unscaled Zero Point Vibrational Energy (zpe) 1849.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 1834.1 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 BLYP/6-31G*
ABC
0.67664 0.15866 0.13913

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.587 1.379 -0.474
O2 0.587 0.326 0.533
O3 -0.587 -0.326 0.533
F4 -0.587 -1.379 -0.474

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.45712.30252.9978
O21.45711.34322.3025
O32.30251.34321.4571
F42.99782.30251.4571

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 110.548 O2 O3 F4 110.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.167      
2 O 0.167      
3 O 0.167      
4 F -0.167      


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 1.228 1.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.429 -0.854 0.000
y -0.854 -21.287 0.000
z 0.000 0.000 -18.749
Traceless
 xyz
x 0.589 -0.854 0.000
y -0.854 -2.198 0.000
z 0.000 0.000 1.609
Polar
3z2-r23.219
x2-y21.858
xy-0.854
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.009 1.304 0.000
y 1.304 4.231 0.000
z 0.000 0.000 2.185


<r2> (average value of r2) Å2
<r2> 72.752
(<r2>)1/2 8.529