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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-347.798209
Energy at 298.15K-347.799636
HF Energy-347.798209
Nuclear repulsion energy121.529622
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 B3PW91/3-21G*
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 983 943 5.41      
2 A 825 792 13.58      
3 A 397 381 0.03      
4 A 175 168 0.48      
5 B 951 913 53.01      
6 B 495 475 5.67      

Unscaled Zero Point Vibrational Energy (zpe) 1913.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1835.6 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 B3PW91/3-21G*
ABC
0.66724 0.16553 0.14731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.659 1.347 -0.491
O2 0.659 0.277 0.553
O3 -0.659 -0.277 0.553
F4 -0.659 -1.347 -0.491

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.49522.33802.9999
O21.49521.42992.3380
O32.33801.42991.4952
F42.99992.33801.4952

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.102 O2 O3 F4 106.102
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.077      
2 O 0.077      
3 O 0.077      
4 F -0.077      


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 0.428 0.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.267 -0.317 0.000
y -0.317 -19.711 0.000
z 0.000 0.000 -18.924
Traceless
 xyz
x 0.050 -0.317 0.000
y -0.317 -0.615 0.000
z 0.000 0.000 0.565
Polar
3z2-r21.131
x2-y20.443
xy-0.317
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.662 1.176 0.000
y 1.176 2.747 0.000
z 0.000 0.000 1.523


<r2> (average value of r2) Å2
<r2> 69.963
(<r2>)1/2 8.364