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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-356.000352
Energy at 298.15K-356.004317
HF Energy-356.000352
Nuclear repulsion energy187.639748
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 B1B95/6-311G*
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 3745 3590 33.77      
2 A 1888 1810 426.93      
3 A 1495 1433 63.54      
4 A 1411 1352 242.41      
5 A 1044 1001 32.16      
6 A 845 810 133.53      
7 A 771 739 13.73      
8 A 693 665 14.59      
9 A 496 476 19.70      
10 A 394 378 68.69      
11 A 320 307 38.19      
12 A 154 147 13.94      

Unscaled Zero Point Vibrational Energy (zpe) 6627.4 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 6353.1 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 B1B95/6-311G*
ABC
0.40923 0.15850 0.11566

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.616 0.077 0.000
O2 -0.602 -0.773 0.057
O3 -1.719 0.015 -0.139
O4 1.586 -0.598 -0.016
O5 0.439 1.246 0.005
H6 -1.942 0.331 0.747

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.48692.33991.18171.18182.6768
O21.48691.38062.19622.27231.8676
O32.33991.38063.36312.48860.9666
O41.18172.19623.36312.17123.7266
O51.18182.27232.48862.17122.6570
H62.67681.86760.96663.72662.6570

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 109.318 O2 N1 O4 110.248
O2 N1 O5 116.276 O2 O3 H6 104.037
O4 N1 O5 133.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.486      
2 O -0.136      
3 O -0.350      
4 O -0.215      
5 O -0.212      
6 H 0.428      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.409 0.581 1.677 2.266
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.502 -0.926 -3.479
y -0.926 -29.523 0.665
z -3.479 0.665 -24.507
Traceless
 xyz
x 0.513 -0.926 -3.479
y -0.926 -4.018 0.665
z -3.479 0.665 3.505
Polar
3z2-r27.010
x2-y23.021
xy-0.926
xz-3.479
yz0.665


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.220 -0.589 -0.167
y -0.589 3.845 0.081
z -0.167 0.081 1.803


<r2> (average value of r2) Å2
<r2> 92.342
(<r2>)1/2 9.609