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: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-280.874935
Energy at 298.15K 
HF Energy-280.874935
Nuclear repulsion energy127.498796
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 B1B95/6-311G*
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' 3770 3614 76.40 44.57 0.32 0.49
2 A' 1850 1773 406.34 1.55 0.59 0.74
3 A' 1412 1353 328.77 8.51 0.20 0.33
4 A' 1376 1319 59.19 4.70 0.73 0.84
5 A' 954 915 191.76 9.20 0.11 0.20
6 A' 689 661 5.39 6.75 0.48 0.65
7 A' 610 585 10.50 2.98 0.66 0.80
8 A" 807 773 13.31 0.08 0.75 0.86
9 A" 518 497 156.03 2.76 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5992.7 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 5744.6 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 B1B95/6-311G*
ABC
0.44197 0.41267 0.21341

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.151 0.000
O2 -0.269 -1.213 0.000
O3 1.163 0.452 0.000
O4 -0.969 0.833 0.000
H5 0.606 -1.624 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.38991.20081.18541.8756
O21.38992.19532.16240.9669
O31.20082.19532.16582.1490
O41.18542.16242.16582.9188
H51.87560.96692.14902.9188

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 104.020 O2 N1 O3 115.664
O2 N1 O4 113.975 O3 N1 O4 130.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.461      
2 O -0.407      
3 O -0.264      
4 O -0.220      
5 H 0.430      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.208 -2.128 0.000 2.447
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.166 -2.650 0.000
y -2.650 -20.180 0.000
z 0.000 0.000 -20.656
Traceless
 xyz
x -3.748 -2.650 0.000
y -2.650 2.230 0.000
z 0.000 0.000 1.517
Polar
3z2-r23.035
x2-y2-3.985
xy-2.650
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.783 -0.349 0.000
y -0.349 3.303 0.000
z 0.000 0.000 1.232


<r2> (average value of r2) Å2
<r2> 54.556
(<r2>)1/2 7.386