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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-349.528089
Energy at 298.15K-349.529541
HF Energy-349.269060
Nuclear repulsion energy125.541515
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 B2PLYP/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 1108 1052 16.04      
2 A 666 632 51.72      
3 A 445 423 19.51      
4 A 207 197 0.05      
5 B 749 711 104.37      
6 B 556 528 41.62      

Unscaled Zero Point Vibrational Energy (zpe) 1865.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 1771.1 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 B2PLYP/6-31G*
ABC
0.69597 0.17604 0.15382

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.597 1.317 -0.473
O2 0.597 0.298 0.532
O3 -0.597 -0.298 0.532
F4 -0.597 -1.317 -0.473

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.43182.24562.8922
O21.43181.33372.2456
O32.24561.33371.4318
F42.89222.24561.4318

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.529 O2 O3 F4 108.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.159      
2 O 0.159      
3 O 0.159      
4 F -0.159      


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 0.916 0.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.613 -0.601 0.000
y -0.601 -20.722 0.000
z 0.000 0.000 -19.039
Traceless
 xyz
x 0.267 -0.601 0.000
y -0.601 -1.396 0.000
z 0.000 0.000 1.128
Polar
3z2-r22.257
x2-y21.109
xy-0.601
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.987 1.122 0.000
y 1.122 3.531 0.000
z 0.000 0.000 2.117


<r2> (average value of r2) Å2
<r2> 67.343
(<r2>)1/2 8.206