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

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-280.839220
Energy at 298.15K 
HF Energy-280.839220
Nuclear repulsion energy127.254797
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 mPW1PW91/cc-pVDZ
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' 3746 3590 101.79 43.71 0.30 0.46
2 A' 1858 1781 373.15 1.55 0.63 0.77
3 A' 1422 1362 288.18 7.72 0.21 0.35
4 A' 1344 1288 80.08 3.66 0.74 0.85
5 A' 956 916 178.84 8.84 0.11 0.20
6 A' 688 659 3.08 6.02 0.50 0.66
7 A' 606 580 10.42 2.80 0.67 0.80
8 A" 806 773 16.24 0.09 0.75 0.86
9 A" 514 493 123.72 2.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5970.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 5721.1 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 mPW1PW91/cc-pVDZ
ABC
0.43945 0.41239 0.21275

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.148 0.000
O2 -0.274 -1.212 0.000
O3 1.167 0.445 0.000
O4 -0.970 0.839 0.000
H5 0.614 -1.611 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.38831.20441.19051.8632
O21.38832.19662.16620.9736
O31.20442.19662.17312.1286
O41.19052.16622.17312.9172
H51.86320.97362.12862.9172

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 102.741 O2 N1 O3 115.647
O2 N1 O4 114.061 O3 N1 O4 130.293
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.390      
2 O -0.128      
3 O -0.244      
4 O -0.207      
5 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.078 -2.107 0.000 2.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.814 -2.366 0.000
y -2.366 -20.026 0.000
z 0.000 0.000 -20.386
Traceless
 xyz
x -3.608 -2.366 0.000
y -2.366 2.074 0.000
z 0.000 0.000 1.534
Polar
3z2-r23.068
x2-y2-3.788
xy-2.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.642 -0.355 0.000
y -0.355 3.226 0.000
z 0.000 0.000 1.156


<r2> (average value of r2) Å2
<r2> 54.500
(<r2>)1/2 7.382