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

using model chemistry: M06-2X/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-356.019848
Energy at 298.15K-356.023944
HF Energy-356.019848
Nuclear repulsion energy188.888411
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 M06-2X/cc-pVTZ
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 3794 3623 72.23      
2 A 1851 1768 494.36      
3 A 1473 1407 76.45      
4 A 1412 1348 233.31      
5 A 1089 1040 11.98      
6 A 883 844 173.12      
7 A 803 767 14.25      
8 A 734 701 6.71      
9 A 560 535 7.84      
10 A 396 378 28.01      
11 A 329 315 66.69      
12 A 161 154 12.49      

Unscaled Zero Point Vibrational Energy (zpe) 6742.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 6439.7 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 M06-2X/cc-pVTZ
ABC
0.41350 0.16148 0.11760

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.584 0.069 -0.000
O2 -0.555 -0.754 0.084
O3 -1.710 -0.028 -0.146
O4 1.577 -0.578 -0.028
O5 0.411 1.245 0.004
H6 -1.867 0.441 0.686

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.40802.30071.18611.18802.5723
O21.40801.38372.14272.22151.8744
O32.30071.38373.33552.47820.9680
O41.18612.14273.33552.16413.6624
O51.18802.22152.47822.16412.5101
H62.57231.87440.96803.66242.5101

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 110.996 O2 N1 O4 111.092
O2 N1 O5 117.439 O2 O3 H6 104.300
O4 N1 O5 131.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.475      
2 O -0.096      
3 O -0.197      
4 O -0.224      
5 O -0.227      
6 H 0.269      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.568 0.530 1.430 2.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.166 -1.139 -2.931
y -1.139 -29.524 0.780
z -2.931 0.780 -24.789
Traceless
 xyz
x -0.009 -1.139 -2.931
y -1.139 -3.547 0.780
z -2.931 0.780 3.556
Polar
3z2-r27.111
x2-y22.359
xy-1.139
xz-2.931
yz0.780


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.436 -0.609 -0.113
y -0.609 4.210 0.089
z -0.113 0.089 2.281


<r2> (average value of r2) Å2
<r2> 91.224
(<r2>)1/2 9.551