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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-355.839150
Energy at 298.15K-355.842867
HF Energy-355.839150
Nuclear repulsion energy182.565262
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 PBEPBEultrafine/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 3579 3554 34.77      
2 A 1779 1766 338.06      
3 A 1380 1371 53.92      
4 A 1320 1311 221.03      
5 A 958 952 66.34      
6 A 783 778 89.20      
7 A 702 697 10.06      
8 A 621 617 6.08      
9 A 393 391 18.80      
10 A 373 370 66.00      
11 A 278 277 4.23      
12 A 158 157 8.84      

Unscaled Zero Point Vibrational Energy (zpe) 6162.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 6119.9 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 PBEPBEultrafine/cc-pVTZ
ABC
0.38961 0.14821 0.10858

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.657 0.082 -0.001
O2 -0.664 -0.794 0.034
O3 -1.772 0.050 -0.127
O4 1.617 -0.634 -0.004
O5 0.490 1.266 -0.001
H6 -1.970 0.325 0.792

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.58482.43251.19741.19622.7551
O21.58481.40262.28632.36131.8801
O32.43251.40263.45952.57140.9802
O41.19742.28633.45952.20923.7977
O51.19622.36132.57142.20922.7510
H62.75511.88010.98023.79772.7510

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 108.877 O2 N1 O4 109.741
O2 N1 O5 115.523 O2 O3 H6 102.746
O4 N1 O5 134.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.388      
2 O -0.127      
3 O -0.154      
4 O -0.172      
5 O -0.168      
6 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.136 0.594 1.447 1.933
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.249 -0.795 -3.153
y -0.795 -29.195 0.624
z -3.153 0.624 -24.673
Traceless
 xyz
x 0.685 -0.795 -3.153
y -0.795 -3.734 0.624
z -3.153 0.624 3.049
Polar
3z2-r26.098
x2-y22.946
xy-0.795
xz-3.153
yz0.624


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.451 -0.399 -0.164
y -0.399 4.487 0.068
z -0.164 0.068 2.407


<r2> (average value of r2) Å2
<r2> 97.086
(<r2>)1/2 9.853