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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-349.809947
Energy at 298.15K-349.811670
HF Energy-349.809947
Nuclear repulsion energy129.844033
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 M06-2X/TZVP
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 1088 1029 0.02      
2 A 840 795 69.78      
3 A 524 496 0.74      
4 A 222 211 0.60      
5 B 924 875 120.36      
6 B 637 603 23.24      

Unscaled Zero Point Vibrational Energy (zpe) 2118.2 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 2004.3 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 M06-2X/TZVP
ABC
0.74802 0.19005 0.16736

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.591 1.278 -0.469
O2 0.591 0.262 0.528
O3 -0.591 -0.262 0.528
F4 -0.591 -1.278 -0.469

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42392.18252.8160
O21.42391.29302.1825
O32.18251.29301.4239
F42.81602.18251.4239

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 106.797 O2 O3 F4 106.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.122      
2 O 0.122      
3 O 0.122      
4 F -0.122      


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 0.751 0.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.236 -0.520 0.000
y -0.520 -21.168 0.000
z 0.000 0.000 -19.914
Traceless
 xyz
x 0.305 -0.520 0.000
y -0.520 -1.093 0.000
z 0.000 0.000 0.788
Polar
3z2-r21.576
x2-y20.932
xy-0.520
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.989 0.892 0.000
y 0.892 3.181 0.000
z 0.000 0.000 2.174


<r2> (average value of r2) Å2
<r2> 63.567
(<r2>)1/2 7.973