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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-349.697598
Energy at 298.15K-349.699247
HF Energy-349.697598
Nuclear repulsion energy 
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 wB97X-D/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 1140 1081 5.25      
2 A 790 750 62.19      
3 A 510 484 3.46      
4 A 220 209 0.39      
5 B 855 811 124.31      
6 B 611 580 25.85      

Unscaled Zero Point Vibrational Energy (zpe) 2062.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 1956.6 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 wB97X-D/6-31G*
ABC
0.73518 0.18387 0.16166

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.593 1.312 -0.461
O2 0.593 0.291 0.519
O3 -0.593 -0.291 0.519
F4 -0.593 -1.312 -0.461

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.41482.22152.8789
O21.41481.32112.2215
O32.22151.32111.4148
F42.87892.22151.4148

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.534 O2 O3 F4 108.534
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.154      
2 O 0.154      
3 O 0.154      
4 F -0.154      


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 0.719 0.719
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.514 -0.479 0.000
y -0.479 -20.337 0.000
z 0.000 0.000 -19.060
Traceless
 xyz
x 0.185 -0.479 0.000
y -0.479 -1.050 0.000
z 0.000 0.000 0.865
Polar
3z2-r21.730
x2-y20.823
xy-0.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.920 0.975 0.000
y 0.975 3.199 0.000
z 0.000 0.000 2.017


<r2> (average value of r2) Å2
<r2> 64.702
(<r2>)1/2 8.044