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: TPSSh/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/Def2TZVPP
 hartrees
Energy at 0K-281.018581
Energy at 298.15K 
HF Energy-281.018581
Nuclear repulsion energy126.051621
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 TPSSh/Def2TZVPP
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' 3696 3696 80.10 48.93 0.23 0.38
2 A' 1751 1751 385.37 2.24 0.71 0.83
3 A' 1335 1335 311.83 11.17 0.21 0.34
4 A' 1306 1306 43.74 5.21 0.63 0.77
5 A' 885 885 189.37 9.90 0.08 0.15
6 A' 632 632 20.16 8.70 0.41 0.58
7 A' 569 569 7.69 2.82 0.61 0.76
8 A" 773 773 8.55 0.07 0.75 0.86
9 A" 491 491 115.38 1.75 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5718.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5718.9 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 TPSSh/Def2TZVPP
ABC
0.43367 0.40077 0.20828

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.158 0.000
O2 -0.268 -1.236 0.000
O3 1.171 0.462 0.000
O4 -0.981 0.839 0.000
H5 0.626 -1.620 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.41951.21011.19441.8846
O21.41952.22582.19390.9732
O31.21012.22582.18542.1515
O41.19442.19392.18542.9373
H51.88460.97322.15152.9373

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 102.323 O2 N1 O3 115.430
O2 N1 O4 113.862 O3 N1 O4 130.708
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.479      
2 O -0.188      
3 O -0.282      
4 O -0.239      
5 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.084 -1.946 0.000 2.228
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.328 -0.278 0.000
y -0.278 4.023 0.000
z 0.000 0.000 1.890


<r2> (average value of r2) Å2
<r2> 55.598
(<r2>)1/2 7.456