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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-348.225030
Energy at 298.15K-348.226710
HF Energy-348.225030
Nuclear repulsion energy127.709820
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/LANL2DZ
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 1078 970 23.96      
2 A 1025 922 2.89      
3 A 480 432 0.64      
4 A 186 168 0.86      
5 B 1055 949 56.42      
6 B 624 562 9.93      

Unscaled Zero Point Vibrational Energy (zpe) 2223.9 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 2001.3 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/LANL2DZ
ABC
0.72519 0.18462 0.16320

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.631 1.268 -0.474
O2 0.631 0.270 0.533
O3 -0.631 -0.270 0.533
F4 -0.631 -1.268 -0.474

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.41792.23012.8329
O21.41791.37302.2301
O32.23011.37301.4179
F42.83292.23011.4179

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.070 O2 O3 F4 106.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.137      
2 O 0.137      
3 O 0.137      
4 F -0.137      


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 0.622 0.622
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.644 -0.699 0.000
y -0.699 -21.484 0.000
z 0.000 0.000 -20.344
Traceless
 xyz
x 0.270 -0.699 0.000
y -0.699 -0.990 0.000
z 0.000 0.000 0.720
Polar
3z2-r21.440
x2-y20.840
xy-0.699
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.753 1.071 0.000
y 1.071 3.083 0.000
z 0.000 0.000 1.993


<r2> (average value of r2) Å2
<r2> 65.252
(<r2>)1/2 8.078