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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-279.280756
Energy at 298.15K 
HF Energy-279.280756
Nuclear repulsion energy118.241070
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3223 3205 12.91 67.17 0.34 0.51
2 A' 1457 1449 83.07 1.09 0.68 0.81
3 A' 1157 1151 150.28 9.62 0.56 0.72
4 A' 1080 1074 145.18 3.17 0.31 0.48
5 A' 783 779 67.25 10.81 0.12 0.22
6 A' 542 539 1.09 8.10 0.48 0.64
7 A' 452 449 10.20 2.63 0.72 0.84
8 A" 621 617 10.06 0.06 0.75 0.86
9 A" 473 470 119.48 8.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4894.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 4867.1 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 BLYP/3-21G
ABC
0.38230 0.34991 0.18269

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.182 0.000
O2 -0.299 -1.329 0.000
O3 1.252 0.471 0.000
O4 -1.036 0.906 0.000
H5 0.665 -1.665 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.54081.28511.26371.9631
O21.54082.37662.35341.0211
O31.28512.37662.32922.2151
O41.26372.35342.32923.0825
H51.96311.02112.21513.0825

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 97.983 O2 N1 O3 114.190
O2 N1 O4 113.734 O3 N1 O4 132.076
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.443      
2 O -0.323      
3 O -0.247      
4 O -0.220      
5 H 0.347      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.225 -1.490 0.000 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.404 -2.537 0.000
y -2.537 -20.120 0.000
z 0.000 0.000 -20.521
Traceless
 xyz
x -3.083 -2.537 0.000
y -2.537 1.842 0.000
z 0.000 0.000 1.241
Polar
3z2-r22.482
x2-y2-3.284
xy-2.537
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.688 -0.425 0.000
y -0.425 3.629 0.000
z 0.000 0.000 0.683


<r2> (average value of r2) Å2
<r2> 61.103
(<r2>)1/2 7.817