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

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G
 hartrees
Energy at 0K-58.175185
Energy at 298.15K 
HF Energy-58.175185
Nuclear repulsion energy68.280793
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/CEP-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' 3686 3686 76.23 61.35 0.29 0.45
2 A' 1645 1645 228.59 2.16 0.62 0.76
3 A' 1298 1298 159.87 6.23 0.60 0.75
4 A' 1271 1271 212.04 7.40 0.41 0.58
5 A' 906 906 128.32 17.35 0.15 0.26
6 A' 620 620 0.55 8.60 0.63 0.77
7 A' 543 543 13.00 5.07 0.70 0.83
8 A" 693 693 1.76 0.09 0.75 0.86
9 A" 470 470 202.36 5.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 5566.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5566.5 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/CEP-31G
ABC
0.39874 0.37808 0.19407

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.144 0.000
O2 -0.310 -1.256 0.000
O3 1.238 0.446 0.000
O4 -0.999 0.899 0.000
H5 0.567 -1.712 0.000

Atom - Atom Distances (Å)
  N1 O2 O3 O4 H5
N11.43381.27401.25231.9407
O21.43382.30042.26290.9886
O31.27402.30042.28192.2598
O41.25232.26292.28193.0450
H51.94070.98862.25983.0450

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 104.987 O2 N1 O3 116.202
O2 N1 O4 114.628 O3 N1 O4 129.170
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.098      
2 O -0.213      
3 O -0.054      
4 O -0.009      
5 H 0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.271 -2.494 0.000 2.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.607 -2.989 0.000
y -2.989 -20.421 0.000
z 0.000 0.000 -21.198
Traceless
 xyz
x -4.798 -2.989 0.000
y -2.989 2.982 0.000
z 0.000 0.000 1.816
Polar
3z2-r23.632
x2-y2-5.187
xy-2.989
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.501 -0.440 0.000
y -0.440 3.756 0.000
z 0.000 0.000 0.984


<r2> (average value of r2) Å2
<r2> 48.618
(<r2>)1/2 6.973