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

using model chemistry: TPSSh/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at TPSSh/6-31+G**
 hartrees
Energy at 0K-356.038855
Energy at 298.15K-356.042571
HF Energy-356.038855
Nuclear repulsion energy183.705332
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 TPSSh/6-31+G**
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 3673 3536 49.18      
2 A 1807 1740 389.33      
3 A 1406 1353 56.80      
4 A 1349 1299 231.10      
5 A 979 942 52.80      
6 A 785 755 107.27      
7 A 714 688 9.91      
8 A 635 611 9.54      
9 A 419 403 16.29      
10 A 352 339 77.81      
11 A 291 280 15.05      
12 A 144 139 13.60      

Unscaled Zero Point Vibrational Energy (zpe) 6277.4 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 6042.0 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 TPSSh/6-31+G**
ABC
0.39253 0.15141 0.11055

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.599 0.071 -0.000
O2 -0.571 -0.751 0.090
O3 -1.750 -0.025 -0.151
O4 1.594 -0.607 -0.031
O5 0.444 1.266 0.006
H6 -1.933 0.433 0.691

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.43292.35561.20401.20552.6501
O21.43291.40492.17322.25971.9021
O32.35561.40493.39592.55010.9758
O41.20402.17323.39592.19853.7475
O51.20552.25972.55012.19852.6104
H62.65011.90210.97583.74752.6104

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 112.209 O2 N1 O4 110.703
O2 N1 O5 117.579 O2 O3 H6 104.613
O4 N1 O5 131.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.074      
2 O 0.111      
3 O -0.352      
4 O -0.027      
5 O -0.033      
6 H 0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.375 0.541 1.593 2.172
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.586 -0.377 -0.121
y -0.377 4.855 0.041
z -0.121 0.041 2.665


<r2> (average value of r2) Å2
<r2> 96.034
(<r2>)1/2 9.800