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

using model chemistry: B3LYP/6-31G**

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/6-31G**
 hartrees
Energy at 0K-356.012880
Energy at 298.15K-356.016691
HF Energy-356.012880
Nuclear repulsion energy184.939929
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/6-31G**
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 3706 3560 38.15      
2 A 1832 1760 343.92      
3 A 1434 1377 64.62      
4 A 1372 1319 221.80      
5 A 998 959 35.87      
6 A 812 780 116.06      
7 A 733 704 12.49      
8 A 661 635 10.79      
9 A 464 446 17.70      
10 A 364 350 49.17      
11 A 294 282 39.83      
12 A 148 143 13.68      

Unscaled Zero Point Vibrational Energy (zpe) 6408.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 6157.3 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/6-31G**
ABC
0.39707 0.15409 0.11236

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.623 0.078 -0.002
O2 -0.612 -0.788 0.057
O3 -1.746 0.016 -0.138
O4 1.609 -0.605 -0.015
O5 0.445 1.264 0.003
H6 -1.926 0.358 0.757

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.51002.37461.19931.19862.6740
O21.51001.40442.22932.30861.8786
O32.37461.40443.41442.52560.9749
O41.19932.22933.41442.20153.7436
O51.19862.30862.52562.20152.6471
H62.67401.87860.97493.74362.6471

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 109.074 O2 N1 O4 110.213
O2 N1 O5 116.462 O2 O3 H6 102.789
O4 N1 O5 133.303
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.741      
2 O -0.185      
3 O -0.255      
4 O -0.320      
5 O -0.330      
6 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.380 0.565 1.530 2.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.351 -0.987 -3.165
y -0.987 -29.012 0.674
z -3.165 0.674 -24.438
Traceless
 xyz
x 0.374 -0.987 -3.165
y -0.987 -3.618 0.674
z -3.165 0.674 3.244
Polar
3z2-r26.487
x2-y22.661
xy-0.987
xz-3.165
yz0.674


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.421 -0.539 -0.164
y -0.539 3.883 0.093
z -0.164 0.093 1.947


<r2> (average value of r2) Å2
<r2> 94.324
(<r2>)1/2 9.712