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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-348.234852
Energy at 298.15K-348.236722
HF Energy-348.234852
Nuclear repulsion energy132.933396
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 HF/6-31+G**
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 1167 1055 0.97      
2 A 1128 1020 45.31      
3 A 560 506 0.13      
4 A 221 199 0.58      
5 B 1117 1010 87.35      
6 B 706 638 11.15      

Unscaled Zero Point Vibrational Energy (zpe) 2448.9 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 2214.3 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 HF/6-31+G**
ABC
0.78649 0.19970 0.17661

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.600 1.226 -0.455
O2 0.600 0.256 0.512
O3 -0.600 -0.256 0.512
F4 -0.600 -1.226 -0.455

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.36942.13832.7299
O21.36941.30522.1383
O32.13831.30521.3694
F42.72992.13831.3694

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.135 O2 O3 F4 106.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.127      
2 O 0.127      
3 O 0.127      
4 F -0.127      


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 0.592 0.592
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.062 -0.356 0.000
y -0.356 -20.704 0.000
z 0.000 0.000 -19.785
Traceless
 xyz
x 0.183 -0.356 0.000
y -0.356 -0.780 0.000
z 0.000 0.000 0.598
Polar
3z2-r21.195
x2-y20.642
xy-0.356
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.072 0.731 0.000
y 0.731 3.094 0.000
z 0.000 0.000 2.265


<r2> (average value of r2) Å2
<r2> 60.874
(<r2>)1/2 7.802