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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/6-311G**

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/6-311G**
 hartrees
Energy at 0K-348.316900
Energy at 298.15K-348.318799
HF Energy-348.316900
Nuclear repulsion energy134.010024
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/6-311G**
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 1068 0.15      
2 A 1140 1035 41.53      
3 A 570 517 0.37      
4 A 222 202 0.69      
5 B 1128 1025 77.37      
6 B 727 661 12.71      

Unscaled Zero Point Vibrational Energy (zpe) 2481.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 2254.1 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 HF/6-311G**
ABC
0.79922 0.20310 0.17930

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.596 1.213 -0.452
O2 0.596 0.260 0.509
O3 -0.596 -0.260 0.509
F4 -0.596 -1.213 -0.452

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.35392.12572.7041
O21.35391.30122.1257
O32.12571.30121.3539
F42.70412.12571.3539

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.357 O2 O3 F4 106.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.132      
2 O 0.132      
3 O 0.132      
4 F -0.132      


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 0.522 0.522
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.003 -0.431 0.000
y -0.431 -20.606 0.000
z 0.000 0.000 -19.760
Traceless
 xyz
x 0.180 -0.431 0.000
y -0.431 -0.724 0.000
z 0.000 0.000 0.545
Polar
3z2-r21.089
x2-y20.603
xy-0.431
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.538 0.729 0.000
y 0.729 2.481 0.000
z 0.000 0.000 1.757


<r2> (average value of r2) Å2
<r2> 60.076
(<r2>)1/2 7.751