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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CBS-Q
 hartrees
Energy at 0K-355.625791
Energy at 298.15K-355.620230
HF Energy-354.186480
Nuclear repulsion energy193.364388
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 CBS-Q
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 4048 4048 87.03      
2 A 1965 1965 726.78      
3 A 1648 1648 104.14      
4 A 1579 1579 285.13      
5 A 1213 1213 2.26      
6 A 1044 1044 174.05      
7 A 905 905 32.85      
8 A 831 831 7.81      
9 A 659 659 0.59      
10 A 444 444 35.38      
11 A 333 333 107.08      
12 A 145 145 17.63      

Unscaled Zero Point Vibrational Energy (zpe) 7406.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7406.7 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 CBS-Q
ABC
0.39290 0.15352 0.11172

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.570 0.062 0.002
O2 -0.545 -0.726 0.107
O3 -1.682 -0.027 -0.161
O4 1.546 -0.573 -0.042
O5 0.419 1.221 0.013
H6 -1.904 0.411 0.650

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.36882.25891.16591.16862.5812
O21.36881.36132.10192.17451.8540
O32.25891.36133.27602.44970.9485
O41.16592.10193.27602.11923.6545
O51.16862.17452.44972.11922.5420
H62.58121.85400.94853.65452.5420

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 111.667 O2 N1 O4 111.798
O2 N1 O5 117.745 O2 O3 H6 105.375
O4 N1 O5 130.407
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability