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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-349.740190
Energy at 298.15K-349.741787
HF Energy-349.740190
Nuclear repulsion energy127.357004
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 mPW1PW91/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 1182 1132 19.14      
2 A 727 696 63.60      
3 A 488 468 14.50      
4 A 224 215 0.37      
5 B 778 745 119.55      
6 B 587 563 50.18      

Unscaled Zero Point Vibrational Energy (zpe) 1992.6 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 1909.5 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 mPW1PW91/cc-pVDZ
ABC
0.72605 0.17967 0.15741

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.557 1.355 -0.482
O2 0.557 0.272 0.543
O3 -0.557 -0.272 0.543
F4 -0.557 -1.355 -0.482

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.49122.22202.9300
O21.49121.23902.2220
O32.22201.23901.4912
F42.93002.22201.4912

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.590 O2 O3 F4 108.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.146      
2 O 0.146      
3 O 0.146      
4 F -0.146      


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 1.035 1.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.691 -0.790 0.000
y -0.790 -21.103 0.000
z 0.000 0.000 -19.127
Traceless
 xyz
x 0.424 -0.790 0.000
y -0.790 -1.694 0.000
z 0.000 0.000 1.270
Polar
3z2-r22.540
x2-y21.412
xy-0.790
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.649 1.098 0.000
y 1.098 3.308 0.000
z 0.000 0.000 1.856


<r2> (average value of r2) Å2
<r2> 66.146
(<r2>)1/2 8.133