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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-354.362945
Energy at 298.15K-354.367188
HF Energy-354.362945
Nuclear repulsion energy193.704840
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 HF/Def2TZVPP
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 4087 3705 94.64      
2 A 1910 1731 766.80      
3 A 1621 1469 95.21      
4 A 1552 1407 272.35      
5 A 1233 1117 3.34      
6 A 1048 949 165.25      
7 A 913 828 24.96      
8 A 831 753 7.88      
9 A 658 596 0.83      
10 A 434 394 18.50      
11 A 302 274 97.25      
12 A 144 131 17.58      

Unscaled Zero Point Vibrational Energy (zpe) 7366.4 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6676.9 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 HF/Def2TZVPP
ABC
0.43618 0.16925 0.12359

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.566 0.062 0.003
O2 -0.544 -0.729 0.100
O3 -1.681 -0.028 -0.154
O4 1.544 -0.571 -0.038
O5 0.418 1.219 0.009
H6 -1.862 0.442 0.646

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.36662.25461.16511.16702.5408
O21.36661.35952.09872.17471.8460
O32.25461.35953.27232.44700.9458
O41.16512.09873.27232.11503.6190
O51.16702.17472.44702.11502.4917
H62.54081.84600.94583.61902.4917

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 111.592 O2 N1 O4 111.744
O2 N1 O5 118.049 O2 O3 H6 104.986
O4 N1 O5 130.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.748      
2 O -0.056      
3 O -0.160      
4 O -0.380      
5 O -0.396      
6 H 0.244      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.089 0.434 1.420 2.562
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.353 -1.290 -2.823
y -1.290 -29.720 0.829
z -2.823 0.829 -24.706
Traceless
 xyz
x -0.140 -1.290 -2.823
y -1.290 -3.690 0.829
z -2.823 0.829 3.831
Polar
3z2-r27.662
x2-y22.367
xy-1.290
xz-2.823
yz0.829


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.979 -0.713 -0.077
y -0.713 4.084 0.082
z -0.077 0.082 2.276


<r2> (average value of r2) Å2
<r2> 87.754
(<r2>)1/2 9.368