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

using model chemistry: PBEPBE/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 PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-355.847856
Energy at 298.15K-355.851551
HF Energy-355.847856
Nuclear repulsion energy182.391437
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 PBEPBE/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 3572 3549 37.62      
2 A 1764 1752 354.54      
3 A 1375 1366 51.64      
4 A 1311 1303 216.97      
5 A 953 947 69.84      
6 A 778 773 87.74      
7 A 698 694 8.99      
8 A 617 613 5.53      
9 A 390 388 12.05      
10 A 371 368 72.98      
11 A 274 273 3.25      
12 A 156 155 8.53      

Unscaled Zero Point Vibrational Energy (zpe) 6129.5 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 6089.7 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 PBEPBE/aug-cc-pVTZ
ABC
0.38919 0.14770 0.10827

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.659 0.082 0.000
O2 -0.667 -0.792 0.029
O3 -1.775 0.054 -0.125
O4 1.616 -0.639 -0.002
O5 0.498 1.266 -0.002
H6 -1.989 0.308 0.798

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.58792.43771.19741.19582.7747
O21.58791.40292.28752.36481.8834
O32.43771.40293.46302.57860.9809
O41.19742.28753.46302.20923.8114
O51.19582.36482.57862.20922.7821
H62.77471.88340.98093.81142.7821

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 109.027 O2 N1 O4 109.628
O2 N1 O5 115.599 O2 O3 H6 102.947
O4 N1 O5 134.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.967      
2 O -0.184      
3 O -0.195      
4 O -0.424      
5 O -0.396      
6 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.153 0.577 1.413 1.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.712 -0.791 -3.186
y -0.791 -29.716 0.611
z -3.186 0.611 -25.121
Traceless
 xyz
x 0.707 -0.791 -3.186
y -0.791 -3.799 0.611
z -3.186 0.611 3.092
Polar
3z2-r26.185
x2-y23.004
xy-0.791
xz-3.186
yz0.611


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.432 -0.237 -0.154
y -0.237 5.366 0.045
z -0.154 0.045 3.292


<r2> (average value of r2) Å2
<r2> 97.643
(<r2>)1/2 9.881