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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-348.112919
Energy at 298.15K-348.114546
HF Energy-348.112919
Nuclear repulsion energy127.161333
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/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 1041 940 17.55      
2 A 944 852 0.00      
3 A 470 424 0.65      
4 A 174 157 0.63      
5 B 1034 934 35.45      
6 B 615 555 8.15      

Unscaled Zero Point Vibrational Energy (zpe) 2138.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 1930.7 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/6-31G
ABC
0.69835 0.18610 0.16356

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.641 1.253 -0.483
O2 0.641 0.259 0.544
O3 -0.641 -0.259 0.544
F4 -0.641 -1.253 -0.483

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42962.23252.8155
O21.42961.38232.2325
O32.23251.38231.4296
F42.81552.23251.4296

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 105.101 O2 O3 F4 105.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.135      
2 O 0.135      
3 O 0.135      
4 F -0.135      


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 0.518 0.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.506 -0.540 0.000
y -0.540 -21.051 0.000
z 0.000 0.000 -20.162
Traceless
 xyz
x 0.100 -0.540 0.000
y -0.540 -0.717 0.000
z 0.000 0.000 0.616
Polar
3z2-r21.233
x2-y20.545
xy-0.540
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.765 1.074 0.000
y 1.074 2.958 0.000
z 0.000 0.000 1.964


<r2> (average value of r2) Å2
<r2> 65.096
(<r2>)1/2 8.068