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

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-351.102045
Energy at 298.15K-351.105418
HF Energy-351.102045
Nuclear repulsion energy177.376329
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/STO-3G
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 3619 3196 27.44      
2 A 1763 1556 39.26      
3 A 1508 1332 20.84      
4 A 1324 1169 86.66      
5 A 1226 1083 3.97      
6 A 830 733 34.32      
7 A 620 548 5.61      
8 A 564 498 6.68      
9 A 448 396 0.96      
10 A 337 297 28.52      
11 A 274 242 26.77      
12 A 129 114 6.93      

Unscaled Zero Point Vibrational Energy (zpe) 6321.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 5581.8 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/STO-3G
ABC
0.35958 0.14617 0.10519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.621 0.074 -0.002
O2 -0.643 -0.875 0.027
O3 -1.740 0.005 -0.128
O4 1.739 -0.564 0.001
O5 0.341 1.333 -0.004
H6 -1.915 0.291 0.853

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.58152.36521.28761.28912.6844
O21.58151.41462.40302.41771.9125
O32.36521.41463.52762.47161.0373
O41.28762.40303.52762.35623.8479
O51.28912.41772.47162.35622.6283
H62.68441.91251.03733.84792.6283

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 104.124 O2 N1 O4 113.372
O2 N1 O5 114.370 O2 O3 H6 101.405
O4 N1 O5 132.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.149      
2 O -0.022      
3 O -0.133      
4 O -0.094      
5 O -0.104      
6 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.205 0.174 1.319 1.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.973 -0.172 -2.567
y -0.172 -25.763 0.393
z -2.567 0.393 -21.890
Traceless
 xyz
x -0.147 -0.172 -2.567
y -0.172 -2.831 0.393
z -2.567 0.393 2.978
Polar
3z2-r25.956
x2-y21.789
xy-0.172
xz-2.567
yz0.393


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.096 -0.492 -0.297
y -0.492 2.466 0.115
z -0.297 0.115 0.912


<r2> (average value of r2) Å2
<r2> 97.803
(<r2>)1/2 9.890