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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-355.847851
Energy at 298.15K-355.851550
HF Energy-355.847851
Nuclear repulsion energy182.385559
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/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 3570 3530 37.57      
2 A 1763 1743 354.62      
3 A 1375 1360 51.51      
4 A 1311 1296 217.23      
5 A 954 943 69.89      
6 A 778 770 87.66      
7 A 698 690 9.06      
8 A 617 610 5.51      
9 A 390 386 12.07      
10 A 374 370 73.12      
11 A 275 272 3.12      
12 A 156 154 8.32      

Unscaled Zero Point Vibrational Energy (zpe) 6129.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 6061.3 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.38919 0.14768 0.10826

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/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
N11.58822.43781.19741.19582.7752
O21.58821.40272.28792.36501.8834
O32.43781.40273.46312.57870.9809
O41.19742.28793.46312.20923.8118
O51.19582.36502.57872.20922.7826
H62.77521.88340.98093.81182.7826

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 109.030 O2 N1 O4 109.637
O2 N1 O5 115.591 O2 O3 H6 102.970
O4 N1 O5 134.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/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 0.576 1.413 1.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.709 -0.790 -3.188
y -0.790 -29.716 0.611
z -3.188 0.611 -25.121
Traceless
 xyz
x 0.710 -0.790 -3.188
y -0.790 -3.801 0.611
z -3.188 0.611 3.091
Polar
3z2-r26.183
x2-y23.007
xy-0.790
xz-3.188
yz0.611


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.433 -0.237 -0.155
y -0.237 5.367 0.046
z -0.155 0.046 3.293


<r2> (average value of r2) Å2
<r2> 97.652
(<r2>)1/2 9.882