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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: LSDA/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/6-31G*
 hartrees
Energy at 0K-348.201997
Energy at 298.15K-348.203535
HF Energy-348.201997
Nuclear repulsion energy125.823275
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 LSDA/6-31G*
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 1331 1306 36.50      
2 A 764 749 49.67      
3 A 479 470 8.09      
4 A 203 199 0.60      
5 B 750 736 161.57      
6 B 557 547 38.75      

Unscaled Zero Point Vibrational Energy (zpe) 2041.9 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 2003.7 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 LSDA/6-31G*
ABC
0.71617 0.17310 0.15138

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.541 1.399 -0.489
O2 0.541 0.283 0.550
O3 -0.541 -0.283 0.550
F4 -0.541 -1.399 -0.489

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.52532.25332.9998
O21.52531.22012.2533
O32.25331.22011.5253
F42.99982.25331.5253

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.819 O2 O3 F4 109.819
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.167      
2 O 0.167      
3 O 0.167      
4 F -0.167      


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 1.103 1.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.531 -0.767 0.000
y -0.767 -21.023 0.000
z 0.000 0.000 -18.874
Traceless
 xyz
x 0.418 -0.767 0.000
y -0.767 -1.821 0.000
z 0.000 0.000 1.403
Polar
3z2-r22.806
x2-y21.493
xy-0.767
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.945 1.167 0.000
y 1.167 3.747 0.000
z 0.000 0.000 2.070


<r2> (average value of r2) Å2
<r2> 67.970
(<r2>)1/2 8.244