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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-348.238781
Energy at 298.15K-348.240281
HF Energy-348.238781
Nuclear repulsion energy124.486602
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 LSDA/6-31+G**
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 1415 1394 63.64      
2 A 744 733 52.95      
3 A 465 458 13.65      
4 A 206 202 0.90      
5 B 706 695 192.78      
6 B 530 522 62.49      

Unscaled Zero Point Vibrational Energy (zpe) 2032.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 2001.9 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 LSDA/6-31+G**
ABC
0.71275 0.16663 0.14613

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.529 1.442 -0.491
O2 0.529 0.284 0.553
O3 -0.529 -0.284 0.553
F4 -0.529 -1.442 -0.491

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.55862.27793.0716
O21.55861.20142.2779
O32.27791.20141.5586
F43.07162.27791.5586

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 110.577 O2 O3 F4 110.577
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.189      
2 O 0.189      
3 O 0.189      
4 F -0.189      


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 1.644 1.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.494 -1.087 0.000
y -1.087 -23.143 0.000
z 0.000 0.000 -19.799
Traceless
 xyz
x 0.977 -1.087 0.000
y -1.087 -2.996 0.000
z 0.000 0.000 2.019
Polar
3z2-r24.038
x2-y22.649
xy-1.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.543 1.336 0.000
y 1.336 4.997 0.000
z 0.000 0.000 2.743


<r2> (average value of r2) Å2
<r2> 70.666
(<r2>)1/2 8.406