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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: PBEPBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-344.666024
Energy at 298.15K-344.667425
HF Energy-344.666024
Nuclear repulsion energy123.382694
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/STO-3G
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 1148 1049 4.86      
2 A 909 830 10.04      
3 A 418 382 0.30      
4 A 182 167 0.05      
5 B 1131 1034 55.73      
6 B 528 482 2.98      

Unscaled Zero Point Vibrational Energy (zpe) 2157.9 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 1971.4 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/STO-3G
ABC
0.72331 0.16638 0.15009

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.663 1.337 -0.468
O2 0.663 0.289 0.526
O3 -0.663 -0.289 0.526
F4 -0.663 -1.337 -0.468

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.44392.32132.9842
O21.44391.44612.3213
O32.32131.44611.4439
F42.98422.32131.4439

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.877 O2 O3 F4 106.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.011      
2 O 0.011      
3 O 0.011      
4 F -0.011      


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 -0.169 0.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.055 0.012 0.000
y 0.012 -16.636 0.000
z 0.000 0.000 -16.848
Traceless
 xyz
x -0.313 0.012 0.000
y 0.012 0.316 0.000
z 0.000 0.000 -0.003
Polar
3z2-r2-0.006
x2-y2-0.419
xy0.012
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.127 0.965 0.000
y 0.965 1.954 0.000
z 0.000 0.000 0.883


<r2> (average value of r2) Å2
<r2> 67.328
(<r2>)1/2 8.205