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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVTZ
 hartrees
Energy at 0K-349.868914
Energy at 298.15K-349.870547
HF Energy-349.868914
Nuclear repulsion energy128.242255
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/aug-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 1169 1121 15.95      
2 A 727 696 77.32      
3 A 497 477 18.99      
4 A 236 226 0.16      
5 B 788 755 157.88      
6 B 597 572 61.16      

Unscaled Zero Point Vibrational Energy (zpe) 2006.5 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 1923.3 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 B1B95/aug-cc-pVTZ
ABC
0.74205 0.18167 0.15966

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.590 1.320 -0.453
O2 0.590 0.288 0.509
O3 -0.590 -0.288 0.509
F4 -0.590 -1.320 -0.453

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.41102.21392.8920
O21.41101.31222.2139
O32.21391.31221.4110
F42.89202.21391.4110

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 108.723 O2 O3 F4 108.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.193      
2 O 0.193      
3 O 0.193      
4 F -0.193      


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 1.105 1.105
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.039 -0.706 0.000
y -0.706 -21.645 0.000
z 0.000 0.000 -19.584
Traceless
 xyz
x 0.575 -0.706 0.000
y -0.706 -1.834 0.000
z 0.000 0.000 1.258
Polar
3z2-r22.517
x2-y21.606
xy-0.706
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.677 1.054 0.000
y 1.054 4.368 0.000
z 0.000 0.000 2.843


<r2> (average value of r2) Å2
<r2> 65.696
(<r2>)1/2 8.105