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: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-281.016038
Energy at 298.15K 
HF Energy-281.016038
Nuclear repulsion energy126.485560
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 B3LYP/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' 3728 3589 93.90 46.39 0.24 0.38
2 A' 1757 1691 408.37 2.06 0.70 0.82
3 A' 1350 1300 317.19 11.02 0.20 0.34
4 A' 1323 1273 47.23 4.96 0.63 0.77
5 A' 905 871 189.22 10.04 0.08 0.15
6 A' 653 628 15.45 7.93 0.43 0.60
7 A' 589 567 7.37 2.80 0.62 0.77
8 A" 786 756 10.40 0.09 0.75 0.86
9 A" 487 469 120.13 1.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5789.2 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 5572.6 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 B3LYP/Def2TZVPP
ABC
0.43683 0.40362 0.20978

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.155 0.000
O2 -0.268 -1.230 0.000
O3 1.168 0.460 0.000
O4 -0.977 0.837 0.000
H5 0.618 -1.626 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.41081.20691.19141.8850
O21.41082.21782.18520.9706
O31.20692.21782.17752.1571
O41.19142.18522.17752.9342
H51.88500.97062.15712.9342

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 103.103 O2 N1 O3 115.602
O2 N1 O4 113.965 O3 N1 O4 130.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.488      
2 O -0.182      
3 O -0.286      
4 O -0.242      
5 H 0.222      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.089 -2.035 0.000 2.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.310 -2.458 0.000
y -2.458 -20.583 0.000
z 0.000 0.000 -20.983
Traceless
 xyz
x -3.527 -2.458 0.000
y -2.458 2.063 0.000
z 0.000 0.000 1.463
Polar
3z2-r22.927
x2-y2-3.727
xy-2.458
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.302 -0.285 0.000
y -0.285 3.942 0.000
z 0.000 0.000 1.887


<r2> (average value of r2) Å2
<r2> 55.430
(<r2>)1/2 7.445