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

using model chemistry: PBEPBE/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 PBEPBE/6-31G*
 hartrees
Energy at 0K-280.624176
Energy at 298.15K 
HF Energy-280.624176
Nuclear repulsion energy124.358651
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 PBEPBE/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' 3552 3501 56.16 53.88 0.30 0.46
2 A' 1764 1739 283.71 1.62 0.69 0.81
3 A' 1327 1308 281.80 8.61 0.17 0.28
4 A' 1288 1269 35.76 5.21 0.74 0.85
5 A' 857 845 166.12 8.40 0.11 0.20
6 A' 604 596 17.52 8.09 0.41 0.58
7 A' 549 541 8.59 2.75 0.64 0.78
8 A" 738 727 8.83 0.02 0.75 0.86
9 A" 500 492 120.37 4.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5589.3 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 5509.4 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 PBEPBE/6-31G*
ABC
0.42101 0.39104 0.20274

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.161 0.000
O2 -0.262 -1.255 0.000
O3 1.184 0.479 0.000
O4 -1.004 0.838 0.000
H5 0.655 -1.623 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.44081.22551.21091.9009
O21.44082.25742.22160.9879
O31.22552.25742.21712.1669
O41.21092.22162.21712.9684
H51.90090.98792.16692.9684

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 101.374 O2 N1 O3 115.464
O2 N1 O4 113.531 O3 N1 O4 131.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.652      
2 O -0.434      
3 O -0.336      
4 O -0.299      
5 H 0.417      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.173 -1.818 0.000 2.163
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.440 -2.502 0.000
y -2.502 -20.161 0.000
z 0.000 0.000 -20.685
Traceless
 xyz
x -3.017 -2.502 0.000
y -2.502 1.902 0.000
z 0.000 0.000 1.116
Polar
3z2-r22.231
x2-y2-3.279
xy-2.502
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.846 -0.319 0.000
y -0.319 3.653 0.000
z 0.000 0.000 1.333


<r2> (average value of r2) Å2
<r2> 56.516
(<r2>)1/2 7.518