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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-347.833685
Energy at 298.15K-347.835145
HF Energy-347.833685
Nuclear repulsion energy122.331466
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/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 1005 953 6.23      
2 A 876 831 9.45      
3 A 404 383 0.10      
4 A 170 161 0.46      
5 B 986 935 40.96      
6 B 506 480 5.36      

Unscaled Zero Point Vibrational Energy (zpe) 1973.9 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 1870.8 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/3-21G*
ABC
0.66642 0.16915 0.15030

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.624 1.348 -0.482
O2 0.624 0.305 0.543
O3 -0.624 -0.305 0.543
F4 -0.624 -1.348 -0.482

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.46222.31082.9706
O21.46221.38952.3108
O32.31081.38951.4622
F42.97062.31081.4622

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.225 O2 O3 F4 108.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.078      
2 O 0.078      
3 O 0.078      
4 F -0.078      


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 0.411 0.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.301 -0.312 0.000
y -0.312 -19.719 0.000
z 0.000 0.000 -18.980
Traceless
 xyz
x 0.048 -0.312 0.000
y -0.312 -0.579 0.000
z 0.000 0.000 0.531
Polar
3z2-r21.062
x2-y20.418
xy-0.312
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.645 1.113 0.000
y 1.113 2.622 0.000
z 0.000 0.000 1.528


<r2> (average value of r2) Å2
<r2> 68.936
(<r2>)1/2 8.303