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

using model chemistry: LSDA/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at LSDA/cc-pVDZ
 hartrees
Energy at 0K-354.328085
Energy at 298.15K-354.332318
HF Energy-354.328085
Nuclear repulsion energy189.315838
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 LSDA/cc-pVDZ
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 3101 3067 103.11      
2 A 1843 1823 223.45      
3 A 1474 1458 205.72      
4 A 1315 1301 150.13      
5 A 1006 995 59.39      
6 A 816 807 69.80      
7 A 743 735 13.33      
8 A 726 718 46.59      
9 A 532 526 8.57      
10 A 464 459 55.65      
11 A 408 404 13.53      
12 A 214 212 5.71      

Unscaled Zero Point Vibrational Energy (zpe) 6320.9 cm-1
Scaled (by 0.989) Zero Point Vibrational Energy (zpe) 6251.3 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 LSDA/cc-pVDZ
ABC
0.41528 0.16490 0.11803

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.583 0.062 -0.000
O2 -0.549 -0.823 0.000
O3 -1.718 -0.072 -0.000
O4 1.628 -0.510 -0.000
O5 0.291 1.244 0.000
H6 -1.305 0.857 0.001

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.43742.30511.19101.21702.0491
O21.43741.38912.19902.23111.8427
O32.30511.38913.37402.40191.0171
O41.19102.19903.37402.20513.2361
O51.21702.23112.40192.20511.6427
H62.04911.84271.01713.23611.6427

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 109.265 O2 N1 O4 113.240
O2 N1 O5 114.142 O2 O3 H6 98.783
O4 N1 O5 132.619
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.314      
2 O -0.062      
3 O -0.124      
4 O -0.134      
5 O -0.192      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.276 0.939 0.001 0.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.577 -1.619 -0.002
y -1.619 -27.547 0.001
z -0.002 0.001 -25.838
Traceless
 xyz
x -2.884 -1.619 -0.002
y -1.619 0.161 0.001
z -0.002 0.001 2.723
Polar
3z2-r25.447
x2-y2-2.030
xy-1.619
xz-0.002
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.741 -0.398 -0.000
y -0.398 3.754 0.000
z -0.000 0.000 1.380


<r2> (average value of r2) Å2
<r2> 89.930
(<r2>)1/2 9.483