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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-349.743920
Energy at 298.15K-349.745509
HF Energy-349.743920
Nuclear repulsion energy127.503420
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 B1B95/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 1169 1124 17.08      
2 A 721 693 63.88      
3 A 486 468 13.98      
4 A 222 214 0.35      
5 B 778 748 118.56      
6 B 586 564 47.57      

Unscaled Zero Point Vibrational Energy (zpe) 1981.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 1904.7 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 B1B95/cc-pVDZ
ABC
0.72502 0.18056 0.15813

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.559 1.349 -0.482
O2 0.559 0.270 0.543
O3 -0.559 -0.270 0.543
F4 -0.559 -1.349 -0.482

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.48852.21842.9209
O21.48851.24122.2184
O32.21841.24121.4885
F42.92092.21841.4885

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.383 O2 O3 F4 108.383
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.145      
2 O 0.145      
3 O 0.145      
4 F -0.145      


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 1.024 1.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.661 -0.778 0.000
y -0.778 -21.044 0.000
z 0.000 0.000 -19.106
Traceless
 xyz
x 0.414 -0.778 0.000
y -0.778 -1.661 0.000
z 0.000 0.000 1.247
Polar
3z2-r22.493
x2-y21.383
xy-0.778
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.648 1.089 0.000
y 1.089 3.279 0.000
z 0.000 0.000 1.856


<r2> (average value of r2) Å2
<r2> 65.905
(<r2>)1/2 8.118