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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3PW91/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/cc-pVTZ
 hartrees
Energy at 0K-349.820138
Energy at 298.15K-349.821738
HF Energy-349.820138
Nuclear repulsion energy126.992987
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-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 1197 1151 24.79      
2 A 724 696 71.46      
3 A 486 467 20.73      
4 A 231 223 0.24      
5 B 763 734 150.03      
6 B 580 557 67.71      

Unscaled Zero Point Vibrational Energy (zpe) 1989.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 1913.4 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-pVTZ
ABC
0.73059 0.17702 0.15534

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.549 1.374 -0.481
O2 0.549 0.276 0.542
O3 -0.549 -0.276 0.542
F4 -0.549 -1.374 -0.481

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.50092.23002.9587
O21.50091.22862.2300
O32.23001.22861.5009
F42.95872.23001.5009

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.157 O2 O3 F4 109.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.158      
2 O 0.158      
3 O 0.158      
4 F -0.158      


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 1.180 1.180
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.844 -0.842 0.000
y -0.842 -21.553 0.000
z 0.000 0.000 -19.279
Traceless
 xyz
x 0.572 -0.842 0.000
y -0.842 -1.992 0.000
z 0.000 0.000 1.420
Polar
3z2-r22.840
x2-y21.709
xy-0.842
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.025 1.139 0.000
y 1.139 3.842 0.000
z 0.000 0.000 2.238


<r2> (average value of r2) Å2
<r2> 66.931
(<r2>)1/2 8.181