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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-344.940548
Energy at 298.15K-344.942049
HF Energy-344.940548
Nuclear repulsion energy126.465890
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/STO-3G
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 1257 1110 5.97      
2 A 1069 944 1.46      
3 A 446 393 0.77      
4 A 168 148 0.02      
5 B 1268 1119 21.61      
6 B 569 502 3.53      

Unscaled Zero Point Vibrational Energy (zpe) 2387.8 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 2108.4 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 B1B95/STO-3G
ABC
0.73084 0.17847 0.16062

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.669 1.268 -0.463
O2 0.669 0.258 0.520
O3 -0.669 -0.258 0.520
F4 -0.669 -1.268 -0.463

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.40942.25402.8662
O21.40941.43292.2540
O32.25401.43291.4094
F42.86622.25401.4094

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 104.932 O2 O3 F4 104.932
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.013      
2 O 0.013      
3 O 0.013      
4 F -0.013      


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 -0.202 0.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.179 0.010 0.000
y 0.010 -16.762 0.000
z 0.000 0.000 -17.007
Traceless
 xyz
x -0.294 0.010 0.000
y 0.010 0.331 0.000
z 0.000 0.000 -0.037
Polar
3z2-r2-0.073
x2-y2-0.417
xy0.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.045 0.791 0.000
y 0.791 1.628 0.000
z 0.000 0.000 0.858


<r2> (average value of r2) Å2
<r2> 63.973
(<r2>)1/2 7.998