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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: LSDA/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 LSDA/6-311G*
 hartrees
Energy at 0K-348.314682
Energy at 298.15K-348.316131
HF Energy-348.314682
Nuclear repulsion energy124.126015
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/6-311G*
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 1417 1394 63.58      
2 A 716 704 43.99      
3 A 453 445 13.50      
4 A 195 191 1.15      
5 B 684 673 137.11      
6 B 524 515 59.92      

Unscaled Zero Point Vibrational Energy (zpe) 1993.8 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 1961.3 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 LSDA/6-311G*
ABC
0.69633 0.16626 0.14488

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.521 1.449 -0.500
O2 0.521 0.285 0.562
O3 -0.521 -0.285 0.562
F4 -0.521 -1.449 -0.500

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.57532.28533.0796
O21.57531.18872.2853
O32.28531.18871.5753
F43.07962.28531.5753

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 110.770 O2 O3 F4 110.770
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.184      
2 O 0.184      
3 O 0.184      
4 F -0.184      


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 1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.126 -1.190 0.000
y -1.190 -22.604 0.000
z 0.000 0.000 -19.326
Traceless
 xyz
x 0.839 -1.190 0.000
y -1.190 -2.877 0.000
z 0.000 0.000 2.039
Polar
3z2-r24.077
x2-y22.477
xy-1.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.742 1.303 0.000
y 1.303 4.105 0.000
z 0.000 0.000 2.042


<r2> (average value of r2) Å2
<r2> 70.804
(<r2>)1/2 8.414