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

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C1 1A
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-353.841975
Energy at 298.15K 
HF Energy-353.841975
Nuclear repulsion energy180.937997
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 M06-2X/3-21G*
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 3225 3055 46.05      
2 A 1572 1489 24.19      
3 A 1451 1375 289.51      
4 A 1167 1106 171.89      
5 A 1058 1002 7.21      
6 A 859 814 95.67      
7 A 683 647 12.31      
8 A 678 642 66.25      
9 A 529 501 1.61      
10 A 439 416 116.83      
11 A 388 367 16.60      
12 A 146 138 8.81      

Unscaled Zero Point Vibrational Energy (zpe) 6097.8 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 5775.9 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 M06-2X/3-21G*
ABC
0.38258 0.15194 0.10875

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.605 0.061 -0.001
O2 0.560 -0.881 0.002
O3 1.795 -0.057 -0.002
O4 -1.693 -0.514 -0.001
O5 -0.305 1.289 0.001
H6 1.376 0.874 0.004

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.49852.40301.23091.26432.1414
O21.49851.48472.28342.33621.9354
O32.40301.48473.51832.49401.0207
O41.23092.28343.51832.27583.3686
O51.26432.33622.49402.27581.7312
H62.14141.93541.02073.36861.7312

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 107.319 O2 N1 O4 113.207
O2 N1 O5 115.209 O2 O3 H6 99.488
O4 N1 O5 131.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.542      
2 O -0.095      
3 O -0.328      
4 O -0.231      
5 O -0.299      
6 H 0.411      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.067 1.230 0.009 1.232
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.375 2.384 0.015
y 2.384 -28.258 0.006
z 0.015 0.006 -26.066
Traceless
 xyz
x -3.212 2.384 0.015
y 2.384 -0.038 0.006
z 0.015 0.006 3.250
Polar
3z2-r26.500
x2-y2-2.116
xy2.384
xz0.015
yz0.006


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.230 0.668 0.000
y 0.668 3.611 0.001
z 0.000 0.001 0.709


<r2> (average value of r2) Å2
<r2> 96.497
(<r2>)1/2 9.823