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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: PBEPBE/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 PBEPBE/TZVP
 hartrees
Energy at 0K-349.675213
Energy at 298.15K-349.676585
HF Energy-349.675213
Nuclear repulsion energy121.204291
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 PBEPBE/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 1358 1343 75.17      
2 A 691 683 41.42      
3 A 425 420 14.28      
4 A 193 191 1.29      
5 B 652 645 138.78      
6 B 486 481 65.88      

Unscaled Zero Point Vibrational Energy (zpe) 1902.6 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 1881.2 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 PBEPBE/TZVP
ABC
0.68348 0.15549 0.13633

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.522 1.509 -0.504
O2 0.522 0.295 0.567
O3 -0.522 -0.295 0.567
F4 -0.522 -1.509 -0.504

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.61942.34423.1939
O21.61941.20002.3442
O32.34421.20001.6194
F43.19392.34421.6194

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 111.635 O2 O3 F4 111.635
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 F -0.199      
2 O 0.199      
3 O 0.199      
4 F -0.199      


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 1.805 1.805
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.304 -1.320 0.000
y -1.320 -23.513 0.000
z 0.000 0.000 -19.539
Traceless
 xyz
x 1.222 -1.320 0.000
y -1.320 -3.592 0.000
z 0.000 0.000 2.370
Polar
3z2-r24.739
x2-y23.209
xy-1.320
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.111 1.439 0.000
y 1.439 5.026 0.000
z 0.000 0.000 2.474


<r2> (average value of r2) Å2
<r2> 74.585
(<r2>)1/2 8.636