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

using model chemistry: BLYP/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 BLYP/6-31+G**
 hartrees
Energy at 0K-356.026583
Energy at 298.15K-356.030098
HF Energy-356.026583
Nuclear repulsion energy179.146415
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 BLYP/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 3537 3518 42.42      
2 A 1717 1708 338.64      
3 A 1344 1337 49.18      
4 A 1287 1281 225.41      
5 A 910 905 81.11      
6 A 752 748 80.06      
7 A 657 653 11.20      
8 A 578 575 4.30      
9 A 364 362 36.86      
10 A 351 350 52.16      
11 A 255 254 2.10      
12 A 141 141 10.38      

Unscaled Zero Point Vibrational Energy (zpe) 5946.4 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 5914.9 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 BLYP/6-31+G**
ABC
0.37688 0.14169 0.10412

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.676 0.080 0.002
O2 -0.695 -0.806 0.033
O3 -1.808 0.069 -0.130
O4 1.642 -0.655 -0.006
O5 0.524 1.283 0.001
H6 -2.037 0.305 0.801

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.63302.48781.21391.21212.8376
O21.63301.42512.34212.41821.9038
O32.48781.42513.52732.63150.9872
O41.21392.34213.52732.23763.8868
O51.21212.41822.63152.23762.8552
H62.83761.90380.98723.88682.8552

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 108.690 O2 N1 O4 109.832
O2 N1 O5 115.616 O2 O3 H6 102.708
O4 N1 O5 134.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.125      
2 O 0.090      
3 O -0.332      
4 O 0.006      
5 O 0.003      
6 H 0.358      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.158 0.653 1.586 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.815 -0.902 -3.590
y -0.902 -30.188 0.638
z -3.590 0.638 -25.440
Traceless
 xyz
x 1.000 -0.902 -3.590
y -0.902 -4.061 0.638
z -3.590 0.638 3.061
Polar
3z2-r26.122
x2-y23.374
xy-0.902
xz-3.590
yz0.638


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.486 -0.265 -0.127
y -0.265 5.217 0.038
z -0.127 0.038 2.846


<r2> (average value of r2) Å2
<r2> 101.043
(<r2>)1/2 10.052