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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-280.594389
Energy at 298.15K 
HF Energy-280.594389
Nuclear repulsion energy126.995884
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/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' 3729 3554 91.93 45.77 0.30 0.46
2 A' 1868 1781 363.19 1.63 0.61 0.76
3 A' 1429 1362 294.21 8.17 0.17 0.30
4 A' 1372 1307 79.27 3.83 0.75 0.85
5 A' 968 922 168.25 9.72 0.11 0.19
6 A' 687 655 0.87 5.31 0.52 0.69
7 A' 603 575 11.34 2.38 0.67 0.80
8 A" 800 763 15.40 0.06 0.75 0.86
9 A" 523 498 136.16 2.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5990.0 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5709.1 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 PBE1PBE/6-31G**
ABC
0.43655 0.41205 0.21197

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.146 0.000
O2 -0.277 -1.212 0.000
O3 1.172 0.444 0.000
O4 -0.972 0.842 0.000
H5 0.611 -1.614 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.38571.20931.19521.8637
O21.38572.19962.16790.9751
O31.20932.19962.18092.1330
O41.19522.16792.18092.9223
H51.86370.97512.13302.9223

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 102.887 O2 N1 O3 115.747
O2 N1 O4 114.071 O3 N1 O4 130.181
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.733      
2 O -0.462      
3 O -0.382      
4 O -0.336      
5 H 0.447      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.139 -2.166 0.000 2.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.842 -2.478 0.000
y -2.478 -19.988 0.000
z 0.000 0.000 -20.610
Traceless
 xyz
x -3.543 -2.478 0.000
y -2.478 2.238 0.000
z 0.000 0.000 1.305
Polar
3z2-r22.609
x2-y2-3.854
xy-2.478
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.707 -0.336 0.000
y -0.336 3.309 0.000
z 0.000 0.000 1.311


<r2> (average value of r2) Å2
<r2> 54.693
(<r2>)1/2 7.396