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All results from a given calculation for FOOF (Perfluoroperoxide)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-349.832835
Energy at 298.15K-349.834371
HF Energy-349.832835
Nuclear repulsion energy126.158946
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 TPSSh/6-31G(2df,p)
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 1128 19.60      
2 A 717 692 54.36      
3 A 476 459 12.04      
4 A 211 203 0.20      
5 B 753 727 125.40      
6 B 566 546 45.73      

Unscaled Zero Point Vibrational Energy (zpe) 1945.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 1877.6 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 TPSSh/6-31G(2df,p)
ABC
0.70922 0.17647 0.15422

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
F1 0.590 1.321 -0.470
O2 0.590 0.302 0.529
O3 -0.590 -0.302 0.529
F4 -0.590 -1.321 -0.470

Atom - Atom Distances (Å)
  F1 O2 O3 F4
F11.42642.24122.8929
O21.42641.32522.2412
O32.24121.32521.4264
F42.89292.24121.4264

picture of Perfluoroperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F1 O2 O3 109.021 O2 O3 F4 109.021
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability