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

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-356.028744
Energy at 298.15K-356.032646
HF Energy-356.028744
Nuclear repulsion energy186.659607
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 B3PW91/aug-cc-pVTZ
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 3732 3601 51.63      
2 A 1827 1763 425.44      
3 A 1442 1392 61.34      
4 A 1372 1324 224.24      
5 A 1025 989 37.38      
6 A 825 797 124.35      
7 A 762 735 10.11      
8 A 679 656 10.81      
9 A 478 461 20.98      
10 A 371 358 62.45      
11 A 307 297 21.64      
12 A 151 146 10.98      

Unscaled Zero Point Vibrational Energy (zpe) 6485.1 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 6258.7 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 B3PW91/aug-cc-pVTZ
ABC
0.40562 0.15627 0.11414

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.593 0.069 -0.001
O2 -0.567 -0.745 0.080
O3 -1.733 -0.021 -0.144
O4 1.577 -0.600 -0.025
O5 0.442 1.251 0.003
H6 -1.905 0.429 0.696

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.41962.33251.19031.19152.6179
O21.41961.39062.15162.23801.8830
O32.33251.39063.36262.52470.9686
O41.19032.15163.36262.17153.7015
O51.19152.23802.52472.17152.5814
H62.61791.88300.96863.70152.5814

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 112.192 O2 N1 O4 110.748
O2 N1 O5 117.725 O2 O3 H6 104.488
O4 N1 O5 131.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.124      
2 O -0.170      
3 O -0.213      
4 O -0.509      
5 O -0.466      
6 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.421 0.478 1.432 2.074
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.758 -0.801 -3.152
y -0.801 -29.576 0.635
z -3.152 0.635 -24.757
Traceless
 xyz
x 0.408 -0.801 -3.152
y -0.801 -3.818 0.635
z -3.152 0.635 3.410
Polar
3z2-r26.820
x2-y22.818
xy-0.801
xz-3.152
yz0.635


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.538 -0.355 -0.129
y -0.355 4.984 0.042
z -0.129 0.042 3.074


<r2> (average value of r2) Å2
<r2> 93.439
(<r2>)1/2 9.666