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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-349.962431
Energy at 298.15K-349.963954
HF Energy-349.962431
Nuclear repulsion energy125.215621
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 B3LYP/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 1176 1135 36.42      
2 A 703 679 74.34      
3 A 462 446 23.45      
4 A 222 214 0.36      
5 B 733 707 145.65      
6 B 551 532 70.30      

Unscaled Zero Point Vibrational Energy (zpe) 1923.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 1856.9 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 B3LYP/TZVP
ABC
0.71334 0.17107 0.15011

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.548 1.406 -0.488
O2 0.548 0.279 0.549
O3 -0.548 -0.279 0.549
F4 -0.548 -1.406 -0.488

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.53132.26143.0169
O21.53131.22932.2614
O32.26141.22931.5313
F43.01692.26141.5313

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.520 O2 O3 F4 109.520
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.170      
2 O 0.170      
3 O 0.170      
4 F -0.170      


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 1.359 1.359
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.301 -1.004 0.000
y -1.004 -22.427 0.000
z 0.000 0.000 -19.717
Traceless
 xyz
x 0.771 -1.004 0.000
y -1.004 -2.418 0.000
z 0.000 0.000 1.647
Polar
3z2-r23.294
x2-y22.126
xy-1.004
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.074 1.247 0.000
y 1.247 4.240 0.000
z 0.000 0.000 2.375


<r2> (average value of r2) Å2
<r2> 69.120
(<r2>)1/2 8.314