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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-349.829144
Energy at 298.15K-349.830736
HF Energy-349.829144
Nuclear repulsion energy126.830835
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 B3PW91/aug-cc-pVTZ
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 1213 1171 31.53      
2 A 722 697 71.71      
3 A 483 466 24.15      
4 A 232 224 0.14      
5 B 753 727 157.25      
6 B 574 554 77.09      

Unscaled Zero Point Vibrational Energy (zpe) 1988.2 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 1918.9 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 B3PW91/aug-cc-pVTZ
ABC
0.73171 0.17590 0.15446

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.586 1.345 -0.452
O2 0.586 0.299 0.508
O3 -0.586 -0.299 0.508
F4 -0.586 -1.345 -0.452

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.41912.23472.9330
O21.41911.31502.2347
O32.23471.31501.4191
F42.93302.23471.4191

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.581 O2 O3 F4 109.581
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.215      
2 O 0.215      
3 O 0.215      
4 F -0.215      


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 1.272 1.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.073 -0.832 0.000
y -0.832 -22.033 0.000
z 0.000 0.000 -19.551
Traceless
 xyz
x 0.719 -0.832 0.000
y -0.832 -2.221 0.000
z 0.000 0.000 1.502
Polar
3z2-r23.005
x2-y21.960
xy-0.832
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.722 1.139 0.000
y 1.139 4.667 0.000
z 0.000 0.000 2.913


<r2> (average value of r2) Å2
<r2> 67.414
(<r2>)1/2 8.211