return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HNO3 (Nitric acid)

using model chemistry: M06-2X/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G*
 hartrees
Energy at 0K-280.847384
Energy at 298.15K 
HF Energy-280.847384
Nuclear repulsion energy127.717473
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/6-311G*
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' 3792 3792 96.89 41.32 0.33 0.49
2 A' 1860 1860 457.32 1.65 0.54 0.70
3 A' 1440 1440 338.07 8.99 0.22 0.36
4 A' 1398 1398 78.18 4.39 0.74 0.85
5 A' 993 993 175.15 9.95 0.11 0.20
6 A' 712 712 0.58 5.80 0.53 0.69
7 A' 628 628 10.34 2.91 0.68 0.81
8 A" 817 817 16.88 0.12 0.75 0.86
9 A" 511 511 163.90 2.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6074.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6074.8 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/6-311G*
ABC
0.44307 0.41500 0.21429

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.147 0.000
O2 -0.273 -1.207 0.000
O3 1.163 0.446 0.000
O4 -0.965 0.836 0.000
H5 0.598 -1.631 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.38131.20101.18521.8758
O21.38132.18992.15630.9690
O31.20102.18992.16342.1524
O41.18522.15632.16342.9198
H51.87580.96902.15242.9198

picture of Nitric acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 H5 104.532 O2 N1 O3 115.823
O2 N1 O4 114.099 O3 N1 O4 130.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.485      
2 O -0.416      
3 O -0.280      
4 O -0.230      
5 H 0.440      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.202 -2.248 0.000 2.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.477 -2.691 0.000
y -2.691 -20.289 0.000
z 0.000 0.000 -20.833
Traceless
 xyz
x -3.916 -2.691 0.000
y -2.691 2.366 0.000
z 0.000 0.000 1.550
Polar
3z2-r23.099
x2-y2-4.188
xy-2.691
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.826 -0.376 0.000
y -0.376 3.204 0.000
z 0.000 0.000 1.219


<r2> (average value of r2) Å2
<r2> 54.523
(<r2>)1/2 7.384