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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-347.617416
Energy at 298.15K-347.618865
HF Energy-347.617416
Nuclear repulsion energy122.168182
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 HSEh1PBE/3-21G
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 999 962 6.60      
2 A 848 817 10.65      
3 A 400 386 0.07      
4 A 170 164 0.45      
5 B 975 940 47.07      
6 B 502 484 5.52      

Unscaled Zero Point Vibrational Energy (zpe) 1947.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 1876.0 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 HSEh1PBE/3-21G
ABC
0.66588 0.16850 0.14972

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.663 1.328 -0.491
O2 0.663 0.270 0.553
O3 -0.663 -0.270 0.553
F4 -0.663 -1.328 -0.491

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.48662.32342.9679
O21.48661.43082.3234
O32.32341.43081.4866
F42.96792.32341.4866

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 105.557 O2 O3 F4 105.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.077      
2 O 0.077      
3 O 0.077      
4 F -0.077      


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 0.408 0.408
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.303 -0.300 0.000
y -0.300 -19.710 0.000
z 0.000 0.000 -18.974
Traceless
 xyz
x 0.039 -0.300 0.000
y -0.300 -0.571 0.000
z 0.000 0.000 0.533
Polar
3z2-r21.065
x2-y20.407
xy-0.300
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.654 1.134 0.000
y 1.134 2.653 0.000
z 0.000 0.000 1.527


<r2> (average value of r2) Å2
<r2> 69.134
(<r2>)1/2 8.315