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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-351.110037
Energy at 298.15K-351.113050
HF Energy-351.110037
Nuclear repulsion energy171.322987
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/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 3300 3053 53.26      
2 A 1591 1472 22.99      
3 A 1401 1297 10.19      
4 A 1221 1130 77.19      
5 A 1136 1051 7.81      
6 A 726 672 22.13      
7 A 552 510 1.99      
8 A 519 481 10.68      
9 A 367 340 0.88      
10 A 280 259 30.86      
11 A 214 198 3.87      
12 A 135 125 4.92      

Unscaled Zero Point Vibrational Energy (zpe) 5721.4 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 5293.4 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 BLYP/STO-3G
ABC
0.33982 0.13468 0.09757

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.662 0.071 -0.006
O2 -0.715 -0.913 0.014
O3 -1.797 0.033 -0.120
O4 1.807 -0.584 0.010
O5 0.368 1.361 -0.010
H6 -1.943 0.328 0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.69192.46181.31971.32322.7676
O21.69191.44382.54332.51861.9541
O32.46181.44383.65932.54251.0643
O41.31972.54333.65932.41973.9594
O51.32322.51862.54252.41972.6876
H62.76761.95411.06433.95942.6876

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 103.174 O2 N1 O4 114.679
O2 N1 O5 112.733 O2 O3 H6 101.281
O4 N1 O5 132.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.087      
2 O -0.018      
3 O -0.104      
4 O -0.069      
5 O -0.078      
6 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.100 0.246 1.214 1.656
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.304 -0.216 -2.408
y -0.216 -25.136 0.408
z -2.408 0.408 -21.940
Traceless
 xyz
x 0.233 -0.216 -2.408
y -0.216 -2.514 0.408
z -2.408 0.408 2.280
Polar
3z2-r24.561
x2-y21.831
xy-0.216
xz-2.408
yz0.408


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.819 -0.406 -0.348
y -0.406 2.626 0.130
z -0.348 0.130 0.983


<r2> (average value of r2) Å2
<r2> 103.915
(<r2>)1/2 10.194