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

using model chemistry: wB97X-D/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 wB97X-D/3-21G*
 hartrees
Energy at 0K-279.204016
Energy at 298.15K 
HF Energy-279.204016
Nuclear repulsion energy122.045562
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 wB97X-D/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' 3529 3344 53.82 61.05 0.33 0.50
2 A' 1592 1509 128.27 0.90 0.69 0.82
3 A' 1263 1197 151.71 5.78 0.64 0.78
4 A' 1197 1134 205.47 3.88 0.28 0.44
5 A' 881 835 85.99 11.71 0.12 0.22
6 A' 618 586 0.46 6.72 0.54 0.70
7 A' 515 488 13.05 2.86 0.73 0.85
8 A" 692 656 19.20 0.12 0.75 0.86
9 A" 489 464 164.12 5.66 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5387.5 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 5106.3 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 wB97X-D/3-21G*
ABC
0.40524 0.37672 0.19523

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.163 0.000
O2 -0.304 -1.269 0.000
O3 1.224 0.440 0.000
O4 -0.996 0.893 0.000
H5 0.614 -1.654 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.46391.25441.23471.9179
O21.46392.29202.26970.9957
O31.25442.29202.26532.1805
O41.23472.26972.26533.0129
H51.91790.99572.18053.0129

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 100.752 O2 N1 O3 114.735
O2 N1 O4 114.236 O3 N1 O4 131.030
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.533      
2 O -0.374      
3 O -0.298      
4 O -0.261      
5 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.297 -1.943 0.000 2.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.128 -2.724 0.000
y -2.724 -20.063 0.000
z 0.000 0.000 -20.492
Traceless
 xyz
x -3.850 -2.724 0.000
y -2.724 2.247 0.000
z 0.000 0.000 1.603
Polar
3z2-r23.207
x2-y2-4.065
xy-2.724
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.510 -0.422 0.000
y -0.422 3.156 0.000
z 0.000 0.000 0.653


<r2> (average value of r2) Å2
<r2> 58.222
(<r2>)1/2 7.630