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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-348.243576
Energy at 298.15K-348.245435
HF Energy-348.243576
Nuclear repulsion energy133.161690
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 HF/cc-pVDZ
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 1139 1034 0.08      
2 A 1083 984 37.70      
3 A 560 508 0.20      
4 A 216 196 0.66      
5 B 1084 984 69.16      
6 B 713 647 11.47      

Unscaled Zero Point Vibrational Energy (zpe) 2396.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 2176.4 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 HF/cc-pVDZ
ABC
0.77934 0.20185 0.17773

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.600 1.217 -0.458
O2 0.600 0.256 0.516
O3 -0.600 -0.256 0.516
F4 -0.600 -1.217 -0.458

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.36822.13462.7129
O21.36821.30422.1346
O32.13461.30421.3682
F42.71292.13461.3682

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 105.999 O2 O3 F4 105.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.128      
2 O 0.128      
3 O 0.128      
4 F -0.128      


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 0.569 0.569
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.925 -0.453 0.000
y -0.453 -20.566 0.000
z 0.000 0.000 -19.642
Traceless
 xyz
x 0.179 -0.453 0.000
y -0.453 -0.782 0.000
z 0.000 0.000 0.603
Polar
3z2-r21.206
x2-y20.641
xy-0.453
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.513 0.760 0.000
y 0.760 2.491 0.000
z 0.000 0.000 1.745


<r2> (average value of r2) Å2
<r2> 60.481
(<r2>)1/2 7.777