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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HSEh1PBE/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-349.517386
Energy at 298.15K-349.519044
HF Energy-349.517386
Nuclear repulsion energy129.011030
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(2df,p)
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 1161 1111 7.88      
2 A 755 723 60.62      
3 A 516 494 8.16      
4 A 226 217 0.19      
5 B 820 785 122.87      
6 B 618 592 40.41      

Unscaled Zero Point Vibrational Energy (zpe) 2047.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1960.9 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(2df,p)
ABC
0.73705 0.18652 0.16321

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.566 1.314 -0.478
O2 0.566 0.269 0.537
O3 -0.566 -0.269 0.537
F4 -0.566 -1.314 -0.478

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.45702.19512.8621
O21.45701.25342.1951
O32.19511.25341.4570
F42.86212.19511.4570

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 107.937 O2 O3 F4 107.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.158      
2 O 0.158      
3 O 0.158      
4 F -0.158      


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 0.755 0.755
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.380 -0.470 0.000
y -0.470 -20.290 0.000
z 0.000 0.000 -18.964
Traceless
 xyz
x 0.247 -0.470 0.000
y -0.470 -1.118 0.000
z 0.000 0.000 0.871
Polar
3z2-r21.742
x2-y20.910
xy-0.470
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.198 0.946 0.000
y 0.946 3.480 0.000
z 0.000 0.000 2.296


<r2> (average value of r2) Å2
<r2> 64.080
(<r2>)1/2 8.005