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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-349.696083
Energy at 298.15K-349.697702
HF Energy-349.696083
Nuclear repulsion energy128.032390
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 B3PW91/6-31G(2df,p)
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 1167 1122 11.97      
2 A 739 710 59.23      
3 A 501 482 10.68      
4 A 224 215 0.19      
5 B 794 763 125.25      
6 B 600 577 45.19      

Unscaled Zero Point Vibrational Energy (zpe) 2012.5 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 1934.8 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 B3PW91/6-31G(2df,p)
ABC
0.73094 0.18254 0.15982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.561 1.337 -0.480
O2 0.561 0.273 0.540
O3 -0.561 -0.273 0.540
F4 -0.561 -1.337 -0.480

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.47472.21212.9000
O21.47471.24832.2121
O32.21211.24831.4747
F42.90002.21211.4747

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.373 O2 O3 F4 108.373
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.158      
2 O 0.158      
3 O 0.158      
4 F -0.158      


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 0.833 0.833
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.349 -0.533 0.000
y -0.533 -20.416 0.000
z 0.000 0.000 -18.907
Traceless
 xyz
x 0.312 -0.533 0.000
y -0.533 -1.288 0.000
z 0.000 0.000 0.976
Polar
3z2-r21.952
x2-y21.067
xy-0.533
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.223 0.996 0.000
y 0.996 3.625 0.000
z 0.000 0.000 2.325


<r2> (average value of r2) Å2
<r2> 65.120
(<r2>)1/2 8.070