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

using model chemistry: CCD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCD/6-311G*
 hartrees
Energy at 0K-355.248405
Energy at 298.15K-355.252432
HF Energy-354.282116
Nuclear repulsion energy188.294029
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 CCD/6-311G*
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 3790 3620 30.53      
2 A 1922 1836 461.81      
3 A 1526 1457 72.77      
4 A 1428 1364 217.75      
5 A 1062 1014 9.81      
6 A 886 846 162.29      
7 A 790 755 13.95      
8 A 727 695 10.77      
9 A 559 534 6.65      
10 A 404 386 60.35      
11 A 325 310 58.37      
12 A 131 126 13.86      

Unscaled Zero Point Vibrational Energy (zpe) 6775.4 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 6471.2 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 CCD/6-311G*
ABC
0.40926 0.16047 0.11693

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.600 0.075 0.002
O2 -0.580 -0.765 0.093
O3 -1.713 -0.002 -0.160
O4 1.579 -0.594 -0.036
O5 0.433 1.249 0.014
H6 -1.939 0.372 0.700

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.45112.32011.18581.18622.6495
O21.45111.38912.16972.25581.8726
O32.32011.38913.34712.49030.9647
O41.18582.16973.34712.17023.7210
O51.18622.25582.49032.17022.6198
H62.64951.87260.96473.72102.6198

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 109.523 O2 N1 O4 110.334
O2 N1 O5 117.238 O2 O3 H6 103.959
O4 N1 O5 132.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability