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

using model chemistry: PBE1PBE/aug-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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-355.718705
Energy at 298.15K-355.722662
HF Energy-355.718705
Nuclear repulsion energy187.565653
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 PBE1PBE/aug-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 3755 3611 53.37      
2 A 1867 1795 427.37      
3 A 1464 1407 66.10      
4 A 1404 1350 215.61      
5 A 1046 1006 30.66      
6 A 835 803 129.84      
7 A 775 745 9.71      
8 A 702 675 10.26      
9 A 509 490 17.25      
10 A 376 361 40.15      
11 A 307 295 43.06      
12 A 153 147 13.80      

Unscaled Zero Point Vibrational Energy (zpe) 6595.6 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 6342.4 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 PBE1PBE/aug-cc-pVDZ
ABC
0.40690 0.15912 0.11577

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.607 0.077 -0.001
O2 -0.594 -0.771 0.051
O3 -1.719 0.007 -0.134
O4 1.587 -0.598 -0.012
O5 0.434 1.253 0.001
H6 -1.915 0.337 0.758

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.47152.33171.19001.18852.6469
O21.47151.38122.18832.27071.8638
O32.33171.38123.36372.49150.9709
O41.19002.18833.36372.18123.7055
O51.18852.27072.49152.18122.6325
H62.64691.86380.97093.70552.6325

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 109.610 O2 N1 O4 110.168
O2 N1 O5 116.826 O2 O3 H6 103.442
O4 N1 O5 132.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 1.194      
2 O -0.261      
3 O -0.155      
4 O -0.512      
5 O -0.454      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.532 0.472 1.420 2.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.032 -0.945 -3.060
y -0.945 -29.678 0.664
z -3.060 0.664 -25.028
Traceless
 xyz
x 0.320 -0.945 -3.060
y -0.945 -3.648 0.664
z -3.060 0.664 3.327
Polar
3z2-r26.655
x2-y22.645
xy-0.945
xz-3.060
yz0.664


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.325 -0.397 -0.123
y -0.397 4.882 0.051
z -0.123 0.051 2.988


<r2> (average value of r2) Å2
<r2> 92.473
(<r2>)1/2 9.616