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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-344.963126
Energy at 298.15K-344.964579
HF Energy-344.963126
Nuclear repulsion energy125.247094
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/STO-3G
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 1228 1096 5.60      
2 A 1028 917 2.00      
3 A 431 385 0.67      
4 A 162 144 0.01      
5 B 1236 1103 23.89      
6 B 551 492 3.10      

Unscaled Zero Point Vibrational Energy (zpe) 2318.3 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 2068.8 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 B3LYP/STO-3G
ABC
0.71817 0.17486 0.15746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.675 1.280 -0.466
O2 0.675 0.261 0.525
O3 -0.675 -0.261 0.525
F4 -0.675 -1.280 -0.466

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42212.27662.8954
O21.42211.44812.2766
O32.27661.44811.4221
F42.89542.27661.4221

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 104.963 O2 O3 F4 104.963
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.011      
2 O 0.011      
3 O 0.011      
4 F -0.011      


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 -0.207 0.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.129 0.035 0.000
y 0.035 -16.699 0.000
z 0.000 0.000 -16.964
Traceless
 xyz
x -0.297 0.035 0.000
y 0.035 0.347 0.000
z 0.000 0.000 -0.050
Polar
3z2-r2-0.100
x2-y2-0.430
xy0.035
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.089 0.833 0.000
y 0.833 1.692 0.000
z 0.000 0.000 0.877


<r2> (average value of r2) Å2
<r2> 65.009
(<r2>)1/2 8.063