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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-349.701904
Energy at 298.15K-349.703457
HF Energy-349.701904
Nuclear repulsion energy126.162474
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/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 1214 1171 29.83      
2 A 719 694 59.16      
3 A 474 457 16.37      
4 A 219 211 0.39      
5 B 749 723 119.28      
6 B 565 546 54.21      

Unscaled Zero Point Vibrational Energy (zpe) 1970.0 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1901.0 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/cc-pVDZ
ABC
0.71663 0.17497 0.15324

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.549 1.384 -0.487
O2 0.549 0.276 0.548
O3 -0.549 -0.276 0.548
F4 -0.549 -1.384 -0.487

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.51622.24342.9782
O21.51621.22952.2434
O32.24341.22951.5162
F42.97822.24341.5162

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.139 O2 O3 F4 109.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.154      
2 O 0.154      
3 O 0.154      
4 F -0.154      


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 1.154 1.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.670 -0.877 0.000
y -0.877 -21.322 0.000
z 0.000 0.000 -19.056
Traceless
 xyz
x 0.519 -0.877 0.000
y -0.877 -1.959 0.000
z 0.000 0.000 1.440
Polar
3z2-r22.880
x2-y21.652
xy-0.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.663 1.160 0.000
y 1.160 3.502 0.000
z 0.000 0.000 1.887


<r2> (average value of r2) Å2
<r2> 67.531
(<r2>)1/2 8.218