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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-280.813893
Energy at 298.15K 
HF Energy-280.813893
Nuclear repulsion energy126.998563
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 mPW1PW91/6-31G**
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' 3793 3609 95.51 45.28 0.28 0.44
2 A' 1858 1768 364.50 1.65 0.62 0.76
3 A' 1424 1355 287.97 8.11 0.18 0.30
4 A' 1355 1289 85.25 3.73 0.73 0.85
5 A' 965 919 168.73 9.80 0.11 0.19
6 A' 686 652 0.96 5.37 0.52 0.69
7 A' 601 572 11.41 2.45 0.67 0.80
8 A" 798 760 15.76 0.07 0.75 0.86
9 A" 516 491 133.95 2.85 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5998.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 5707.1 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 mPW1PW91/6-31G**
ABC
0.43672 0.41170 0.21192

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.146 0.000
O2 -0.279 -1.211 0.000
O3 1.173 0.441 0.000
O4 -0.970 0.844 0.000
H5 0.605 -1.614 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.38571.20971.19541.8610
O21.38572.19962.16910.9706
O31.20972.19962.18092.1323
O41.19542.16912.18092.9196
H51.86100.97062.13232.9196

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 102.908 O2 N1 O3 115.717
O2 N1 O4 114.157 O3 N1 O4 130.126
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.741      
2 O -0.376      
3 O -0.385      
4 O -0.341      
5 H 0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.118 -2.180 0.000 2.450
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.824 -2.439 0.000
y -2.439 -19.926 0.000
z 0.000 0.000 -20.547
Traceless
 xyz
x -3.588 -2.439 0.000
y -2.439 2.260 0.000
z 0.000 0.000 1.328
Polar
3z2-r22.657
x2-y2-3.898
xy-2.439
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.712 -0.339 0.000
y -0.339 3.317 0.000
z 0.000 0.000 1.320


<r2> (average value of r2) Å2
<r2> 54.669
(<r2>)1/2 7.394