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

using model chemistry: CCD/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-355.509209
Energy at 298.15K-355.513224
HF Energy-354.344946
Nuclear repulsion energy188.664074
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/aug-cc-pVTZ
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 3798 3635 56.25      
2 A 1866 1786 498.60      
3 A 1481 1417 71.32      
4 A 1403 1343 205.47      
5 A 1058 1013 9.04      
6 A 878 841 163.82      
7 A 798 764 11.34      
8 A 731 700 6.92      
9 A 559 535 7.87      
10 A 389 372 29.35      
11 A 310 296 63.26      
12 A 135 129 12.65      

Unscaled Zero Point Vibrational Energy (zpe) 6703.0 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 6414.8 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/aug-cc-pVTZ
ABC
0.41203 0.16122 0.11738

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.596 0.075 0.000
O2 -0.571 -0.770 0.069
O3 -1.715 -0.003 -0.144
O4 1.581 -0.584 -0.023
O5 0.421 1.246 0.006
H6 -1.904 0.357 0.732

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.44232.31651.18531.18402.6201
O21.44231.39352.16112.24761.8671
O32.31651.39353.34822.47870.9657
O41.18532.16113.34822.16723.6875
O51.18402.24762.47872.16722.5931
H62.62011.86710.96573.68752.5931

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 109.540 O2 N1 O4 110.287
O2 N1 O5 117.360 O2 O3 H6 103.138
O4 N1 O5 132.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability