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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-355.913286
Energy at 298.15K-355.917230
HF Energy-355.913286
Nuclear repulsion energy187.118123
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 wB97X-D/cc-pVDZ
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 3801 3621 66.66      
2 A 1855 1767 454.20      
3 A 1457 1387 69.02      
4 A 1405 1338 231.87      
5 A 1063 1012 23.24      
6 A 839 799 149.55      
7 A 764 728 12.30      
8 A 704 670 8.85      
9 A 521 497 11.58      
10 A 376 359 43.40      
11 A 315 300 58.98      
12 A 137 130 15.69      

Unscaled Zero Point Vibrational Energy (zpe) 6618.0 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 6304.3 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 wB97X-D/cc-pVDZ
ABC
0.40522 0.15825 0.11523

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.590 0.069 0.000
O2 -0.566 -0.746 0.090
O3 -1.728 -0.025 -0.152
O4 1.583 -0.598 -0.031
O5 0.435 1.256 0.007
H6 -1.920 0.422 0.688

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.41722.32421.19621.19782.6260
O21.41721.38852.15712.24051.8854
O32.32421.38853.36152.51840.9701
O41.19622.15713.36152.18123.7180
O51.19782.24052.51842.18122.5893
H62.62601.88540.97013.71802.5893

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 111.869 O2 N1 O4 110.980
O2 N1 O5 117.668 O2 O3 H6 104.751
O4 N1 O5 131.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.037      
2 O 0.101      
3 O -0.354      
4 O -0.075      
5 O -0.093      
6 H 0.384      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.685 0.460 1.597 2.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.992 -0.969 -3.444
y -0.969 -30.043 0.662
z -3.444 0.662 -24.961
Traceless
 xyz
x 0.510 -0.969 -3.444
y -0.969 -4.066 0.662
z -3.444 0.662 3.556
Polar
3z2-r27.112
x2-y23.051
xy-0.969
xz-3.444
yz0.662


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.977 -0.491 -0.106
y -0.491 4.666 0.044
z -0.106 0.044 2.579


<r2> (average value of r2) Å2
<r2> 92.946
(<r2>)1/2 9.641