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

using model chemistry: B3LYP/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 B3LYP/6-311G*
 hartrees
Energy at 0K-356.111159
Energy at 298.15K-356.115007
HF Energy-356.111159
Nuclear repulsion energy185.051673
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 B3LYP/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 3678 3554 28.09      
2 A 1823 1762 393.71      
3 A 1468 1418 59.15      
4 A 1366 1320 243.83      
5 A 998 965 43.64      
6 A 821 794 115.65      
7 A 738 713 13.46      
8 A 656 634 11.46      
9 A 452 437 17.51      
10 A 386 373 90.62      
11 A 305 295 14.88      
12 A 150 145 12.36      

Unscaled Zero Point Vibrational Energy (zpe) 6420.5 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 6204.1 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 B3LYP/6-311G*
ABC
0.39957 0.15309 0.11202

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.635 0.079 0.000
O2 -0.629 -0.781 0.053
O3 -1.748 0.032 -0.138
O4 1.600 -0.617 -0.015
O5 0.469 1.256 0.005
H6 -1.973 0.330 0.759

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.52962.38771.18921.18902.7276
O21.52961.39702.23562.31471.8817
O32.38771.39703.41252.53650.9715
O41.18922.23563.41252.18763.7761
O51.18902.31472.53652.18762.7180
H62.72761.88170.97153.77612.7180

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 109.266 O2 N1 O4 110.001
O2 N1 O5 116.178 O2 O3 H6 103.752
O4 N1 O5 133.807
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.462      
2 O -0.140      
3 O -0.344      
4 O -0.199      
5 O -0.198      
6 H 0.418      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.295 0.619 1.676 2.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.505 -0.892 -3.530
y -0.892 -29.631 0.656
z -3.530 0.656 -24.641
Traceless
 xyz
x 0.631 -0.892 -3.530
y -0.892 -4.058 0.656
z -3.530 0.656 3.427
Polar
3z2-r26.854
x2-y23.126
xy-0.892
xz-3.530
yz0.656


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.519 -0.556 -0.181
y -0.556 3.946 0.079
z -0.181 0.079 1.827


<r2> (average value of r2) Å2
<r2> 94.838
(<r2>)1/2 9.738