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

using model chemistry: CCD/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-355.118076
Energy at 298.15K-355.121976
HF Energy-354.200684
Nuclear repulsion energy186.394076
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/6-31+G**
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 3816 3596 52.85      
2 A 1875 1767 483.50      
3 A 1461 1377 73.18      
4 A 1402 1321 206.73      
5 A 1021 962 11.59      
6 A 851 802 166.49      
7 A 766 722 10.38      
8 A 702 662 10.03      
9 A 538 507 8.13      
10 A 379 357 35.67      
11 A 295 278 69.16      
12 A 124 117 15.08      

Unscaled Zero Point Vibrational Energy (zpe) 6614.9 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 6233.3 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/6-31+G**
ABC
0.40010 0.15768 0.11478

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.602 0.076 0.002
O2 -0.577 -0.778 0.101
O3 -1.732 -0.009 -0.164
O4 1.598 -0.593 -0.041
O5 0.426 1.263 0.015
H6 -1.927 0.395 0.697

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.45982.34131.20031.19972.6425
O21.45981.41212.18752.27561.8846
O32.34131.41213.38242.51090.9706
O41.20032.18753.38242.19563.7343
O51.19972.27562.51092.19562.5992
H62.64251.88460.97063.73432.5992

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 109.211 O2 N1 O4 110.256
O2 N1 O5 117.337 O2 O3 H6 102.973
O4 N1 O5 132.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability