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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3LYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-349.977097
Energy at 298.15K-349.978638
HF Energy-349.977097
Nuclear repulsion energy125.916360
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/Def2TZVPP
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 1186 1142 32.30      
2 A 707 681 71.29      
3 A 471 453 23.75      
4 A 225 216 0.25      
5 B 739 711 148.36      
6 B 560 539 72.62      

Unscaled Zero Point Vibrational Energy (zpe) 1943.7 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 1871.0 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/Def2TZVPP
ABC
0.71767 0.17363 0.15229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.587 1.348 -0.457
O2 0.587 0.303 0.514
O3 -0.587 -0.303 0.514
F4 -0.587 -1.348 -0.457

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42612.24662.9404
O21.42611.32172.2466
O32.24661.32171.4261
F42.94042.24661.4261

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.625 O2 O3 F4 109.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.161      
2 O 0.161      
3 O 0.161      
4 F -0.161      


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 1.309 1.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.122 -0.917 0.000
y -0.917 -22.110 0.000
z 0.000 0.000 -19.560
Traceless
 xyz
x 0.713 -0.917 0.000
y -0.917 -2.269 0.000
z 0.000 0.000 1.556
Polar
3z2-r23.112
x2-y21.987
xy-0.917
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.209 1.199 0.000
y 1.199 4.240 0.000
z 0.000 0.000 2.473


<r2> (average value of r2) Å2
<r2> 68.224
(<r2>)1/2 8.260