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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-356.107216
Energy at 298.15K-356.110798
HF Energy-356.107216
Nuclear repulsion energy179.719476
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 BLYP/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 3494 3485 16.02      
2 A 1728 1724 311.38      
3 A 1395 1391 48.03      
4 A 1294 1290 234.10      
5 A 916 914 77.34      
6 A 773 771 76.95      
7 A 666 664 14.56      
8 A 584 582 4.98      
9 A 390 389 81.89      
10 A 353 352 11.44      
11 A 257 257 2.99      
12 A 150 149 9.53      

Unscaled Zero Point Vibrational Energy (zpe) 5999.3 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 5984.3 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 BLYP/6-311G*
ABC
0.38039 0.14215 0.10464

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.682 0.080 0.000
O2 -0.704 -0.809 0.038
O3 -1.800 0.072 -0.132
O4 1.640 -0.649 -0.007
O5 0.520 1.273 0.002
H6 -2.017 0.341 0.790

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.64672.48531.20421.20402.8241
O21.64671.41662.34972.41561.9006
O32.48531.41663.51702.61640.9842
O41.20422.34973.51702.22463.8719
O51.20402.41562.61642.22462.8160
H62.82411.90060.98423.87192.8160

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 108.221 O2 N1 O4 110.049
O2 N1 O5 114.977 O2 O3 H6 103.205
O4 N1 O5 134.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.387      
2 O -0.147      
3 O -0.322      
4 O -0.160      
5 O -0.158      
6 H 0.399      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.996 0.730 1.656 2.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.073 -0.866 -3.568
y -0.866 -29.393 0.657
z -3.568 0.657 -24.762
Traceless
 xyz
x 1.004 -0.866 -3.568
y -0.866 -3.975 0.657
z -3.568 0.657 2.971
Polar
3z2-r25.943
x2-y23.320
xy-0.866
xz-3.568
yz0.657


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.358 -0.453 -0.208
y -0.453 4.197 0.078
z -0.208 0.078 1.899


<r2> (average value of r2) Å2
<r2> 100.145
(<r2>)1/2 10.007