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All results from a given calculation for HOONO2 (peroxy nitric acid)

using model chemistry: PM3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM3
 hartrees
Energy at 0K 
Energy at 298.15K-0.028854
HF Energy-0.028854
Nuclear repulsion energy139.287529
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 PM3
Rotational Constants (cm-1) from geometry optimized at PM3
ABC
0.39122 0.15143 0.10917

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM3

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.647 0.078 0.000
O2 -0.621 -0.755 -0.000
O3 -1.762 0.174 0.000
O4 1.555 -0.690 0.000
O5 0.566 1.264 -0.000
H6 -2.429 -0.496 -0.001

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.51682.41021.18941.18863.1291
O21.51681.47132.17632.34201.8271
O32.41021.47133.42692.57010.9458
O41.18942.17633.42692.19013.9886
O51.18862.34202.57012.19013.4740
H63.12911.82710.94583.98863.4740

picture of peroxy nitric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 O3 107.517 O2 N1 O4 106.431
O2 N1 O5 119.425 O2 O3 H6 95.751
O4 N1 O5 134.145
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability