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

using model chemistry: M06-2X/6-31G**

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/6-31G**
 hartrees
Energy at 0K-280.768834
Energy at 298.15K 
HF Energy-280.768834
Nuclear repulsion energy127.352964
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/6-31G**
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' 3799 3611 118.89 41.61 0.28 0.44
2 A' 1872 1779 417.71 1.79 0.57 0.73
3 A' 1455 1383 291.49 8.72 0.20 0.33
4 A' 1373 1305 101.79 3.26 0.73 0.84
5 A' 1002 952 154.74 10.23 0.11 0.19
6 A' 704 669 0.44 4.66 0.56 0.72
7 A' 618 587 11.05 2.38 0.69 0.82
8 A" 809 769 19.29 0.09 0.75 0.86
9 A" 512 487 140.12 2.61 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6071.3 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 5770.2 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/6-31G**
ABC
0.43913 0.41450 0.21323

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.143 0.000
O2 -0.283 -1.205 0.000
O3 1.172 0.435 0.000
O4 -0.964 0.847 0.000
H5 0.597 -1.619 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.37701.20781.19351.8603
O21.37702.19172.16160.9723
O31.20782.19172.17552.1325
O41.19352.16162.17552.9182
H51.86030.97232.13252.9182

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 103.369 O2 N1 O3 115.815
O2 N1 O4 114.284 O3 N1 O4 129.900
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.747      
2 O -0.385      
3 O -0.392      
4 O -0.343      
5 H 0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.113 -2.274 0.000 2.531
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.042 -2.478 0.000
y -2.478 -19.988 0.000
z 0.000 0.000 -20.675
Traceless
 xyz
x -3.710 -2.478 0.000
y -2.478 2.371 0.000
z 0.000 0.000 1.340
Polar
3z2-r22.680
x2-y2-4.054
xy-2.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.746 -0.360 0.000
y -0.360 3.223 0.000
z 0.000 0.000 1.312


<r2> (average value of r2) Å2
<r2> 54.512
(<r2>)1/2 7.383