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

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-277.945662
Energy at 298.15K-277.949093
Nuclear repulsion energy121.452097
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 LSDA/3-21G*
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' 3302 3243 32.00      
2 A' 1570 1541 112.89      
3 A' 1198 1177 240.49      
4 A' 1166 1145 76.28      
5 A' 850 834 87.32      
6 A' 605 594 0.51      
7 A' 486 477 17.20      
8 A" 690 677 14.27      
9 A" 518 509 136.84      

Unscaled Zero Point Vibrational Energy (zpe) 5192.3 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 5098.9 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 LSDA/3-21G*
ABC
0.40164 0.37305 0.19341

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.171 0.000
O2 -0.323 -1.273 0.000
O3 1.235 0.417 0.000
O4 -0.990 0.911 0.000
H5 0.627 -1.636 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.47991.25871.23611.9122
O21.47992.29812.28411.0165
O31.25872.29812.27872.1403
O41.23612.28412.27873.0166
H51.91221.01652.14033.0166

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 98.277 O2 N1 O3 113.857
O2 N1 O4 114.190 O3 N1 O4 131.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.439      
2 O -0.338      
3 O -0.254      
4 O -0.223      
5 H 0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.247 -1.703 0.000 2.111
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.767 -2.552 0.000
y -2.552 -20.060 0.000
z 0.000 0.000 -20.536
Traceless
 xyz
x -3.470 -2.552 0.000
y -2.552 2.092 0.000
z 0.000 0.000 1.378
Polar
3z2-r22.755
x2-y2-3.708
xy-2.552
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.484 -0.431 0.000
y -0.431 3.377 0.000
z 0.000 0.000 0.682


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000