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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/6-31+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 B3PW91/6-31+G**
 hartrees
Energy at 0K-349.699483
Energy at 298.15K-349.701043
HF Energy-349.699483
Nuclear repulsion energy125.966461
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 B3PW91/6-31+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 1238 1188 38.15      
2 A 729 700 71.43      
3 A 476 457 19.87      
4 A 226 217 0.27      
5 B 746 716 163.70      
6 B 562 539 68.32      

Unscaled Zero Point Vibrational Energy (zpe) 1988.1 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 1908.8 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 B3PW91/6-31+G**
ABC
0.72470 0.17316 0.15230

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.550 1.393 -0.483
O2 0.550 0.276 0.543
O3 -0.550 -0.276 0.543
F4 -0.550 -1.393 -0.483

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.51682.24732.9955
O21.51681.23102.2473
O32.24731.23101.5168
F42.99552.24731.5168

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.302 O2 O3 F4 109.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.162      
2 O 0.162      
3 O 0.162      
4 F -0.162      


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 1.323 1.323
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.201 -0.879 0.000
y -0.879 -22.231 0.000
z 0.000 0.000 -19.657
Traceless
 xyz
x 0.742 -0.879 0.000
y -0.879 -2.302 0.000
z 0.000 0.000 1.559
Polar
3z2-r23.119
x2-y22.029
xy-0.879
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.427 1.213 0.000
y 1.213 4.493 0.000
z 0.000 0.000 2.634


<r2> (average value of r2) Å2
<r2> 68.290
(<r2>)1/2 8.264