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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-349.413042
Energy at 298.15K-349.414474
HF Energy-349.413042
Nuclear repulsion energy122.612174
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 HSEh1PBE/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 951 910 0.19      
2 A 695 665 49.40      
3 A 446 426 1.67      
4 A 193 185 0.62      
5 B 800 765 89.39      
6 B 534 511 13.23      

Unscaled Zero Point Vibrational Energy (zpe) 1809.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 1730.9 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 HSEh1PBE/6-31G
ABC
0.67044 0.16787 0.14736

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.598 1.385 -0.499
O2 0.598 0.281 0.562
O3 -0.598 -0.281 0.562
F4 -0.598 -1.385 -0.499

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.53182.30863.0172
O21.53181.32032.3086
O32.30861.32031.5318
F43.01722.30861.5318

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 107.854 O2 O3 F4 107.854
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.124      
2 O 0.124      
3 O 0.124      
4 F -0.124      


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 0.801 0.801
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.243 -0.754 0.000
y -0.754 -21.190 0.000
z 0.000 0.000 -19.573
Traceless
 xyz
x 0.138 -0.754 0.000
y -0.754 -1.282 0.000
z 0.000 0.000 1.144
Polar
3z2-r22.287
x2-y20.947
xy-0.754
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.731 1.259 0.000
y 1.259 3.439 0.000
z 0.000 0.000 1.884


<r2> (average value of r2) Å2
<r2> 70.180
(<r2>)1/2 8.377