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

using model chemistry: PBEPBE/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 PBEPBE/STO-3G
 hartrees
Energy at 0K-350.863899
Energy at 298.15K-350.867002
HF Energy-350.863899
Nuclear repulsion energy173.250172
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 PBEPBE/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 3366 3076 45.20      
2 A 1672 1528 25.90      
3 A 1429 1306 10.88      
4 A 1267 1158 79.84      
5 A 1167 1066 9.64      
6 A 749 684 24.68      
7 A 575 525 2.09      
8 A 542 495 10.22      
9 A 382 349 0.85      
10 A 281 257 31.23      
11 A 220 201 6.25      
12 A 141 129 5.89      

Unscaled Zero Point Vibrational Energy (zpe) 5895.5 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 5386.1 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 PBEPBE/STO-3G
ABC
0.34688 0.13795 0.09985

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.655 0.073 -0.008
O2 -0.701 -0.903 0.016
O3 -1.777 0.025 -0.120
O4 1.788 -0.577 0.010
O5 0.357 1.348 -0.010
H6 -1.915 0.337 0.882

Atom - Atom Distances (Å)
  N1 O2 O3 O4 O5 H6
N11.67022.43471.30601.30962.7324
O21.67021.42732.51012.48731.9388
O32.43471.42733.61762.51361.0582
O41.30602.51013.61762.39803.9124
O51.30962.48732.51362.39802.6426
H62.73241.93881.05823.91242.6426

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 103.352 O2 N1 O4 114.444
O2 N1 O5 112.615 O2 O3 H6 101.493
O4 N1 O5 132.919
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.095      
2 O -0.020      
3 O -0.109      
4 O -0.073      
5 O -0.083      
6 H 0.190      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.123 0.266 1.238 1.692
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.424 -0.226 -2.425
y -0.226 -25.230 0.429
z -2.425 0.429 -21.919
Traceless
 xyz
x 0.150 -0.226 -2.425
y -0.226 -2.558 0.429
z -2.425 0.429 2.408
Polar
3z2-r24.815
x2-y21.805
xy-0.226
xz-2.425
yz0.429


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.638 -0.400 -0.327
y -0.400 2.560 0.130
z -0.327 0.130 0.955


<r2> (average value of r2) Å2
<r2> 101.915
(<r2>)1/2 10.095