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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-349.955227
Energy at 298.15K-349.956785
HF Energy-349.955227
Nuclear repulsion energy126.053456
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 B3LYP/cc-pVTZ
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 1160 1121 23.49      
2 A 706 682 69.02      
3 A 475 459 19.99      
4 A 225 218 0.27      
5 B 750 725 143.37      
6 B 567 548 62.20      

Unscaled Zero Point Vibrational Energy (zpe) 1941.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 1876.3 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 B3LYP/cc-pVTZ
ABC
0.71619 0.17476 0.15317

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.553 1.383 -0.487
O2 0.553 0.276 0.547
O3 -0.553 -0.276 0.547
F4 -0.553 -1.383 -0.487

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.51472.24542.9782
O21.51471.23532.2454
O32.24541.23531.5147
F42.97822.24541.5147

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.049 O2 O3 F4 109.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.160      
2 O 0.160      
3 O 0.160      
4 F -0.160      


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 1.210 1.210
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.940 -0.865 0.000
y -0.865 -21.696 0.000
z 0.000 0.000 -19.356
Traceless
 xyz
x 0.586 -0.865 0.000
y -0.865 -2.048 0.000
z 0.000 0.000 1.462
Polar
3z2-r22.923
x2-y21.756
xy-0.865
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.044 1.169 0.000
y 1.169 3.925 0.000
z 0.000 0.000 2.273


<r2> (average value of r2) Å2
<r2> 67.772
(<r2>)1/2 8.232