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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-348.386271
Energy at 298.15K-348.388171
HF Energy-348.386271
Nuclear repulsion energy133.952277
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/Def2TZVPP
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 1176 1066 1.34      
2 A 1149 1041 45.44      
3 A 571 517 0.21      
4 A 225 204 0.58      
5 B 1142 1035 88.94      
6 B 721 654 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 2491.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 2258.4 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 HF/Def2TZVPP
ABC
0.80403 0.20210 0.17892

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.599 1.227 -0.445
O2 0.599 0.254 0.500
O3 -0.599 -0.254 0.500
F4 -0.599 -1.227 -0.445

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.35602.12632.7305
O21.35601.30142.1263
O32.12631.30141.3560
F42.73052.12631.3560

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.266 O2 O3 F4 106.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.104      
2 O 0.104      
3 O 0.104      
4 F -0.104      


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 0.538 0.538
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.817 -0.354 0.000
y -0.354 -20.424 0.000
z 0.000 0.000 -19.593
Traceless
 xyz
x 0.192 -0.354 0.000
y -0.354 -0.719 0.000
z 0.000 0.000 0.527
Polar
3z2-r21.054
x2-y20.607
xy-0.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.925 0.708 0.000
y 0.708 2.874 0.000
z 0.000 0.000 2.119


<r2> (average value of r2) Å2
<r2> 60.077
(<r2>)1/2 7.751