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All results from a given calculation for HN3 (hydrogen azide)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-164.765340
Energy at 298.15K 
HF Energy-164.765340
Nuclear repulsion energy62.011656
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/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' 3546 3392 45.04 110.66 0.36 0.53
2 A' 2326 2225 387.95 19.38 0.39 0.56
3 A' 1321 1263 0.21 21.37 0.34 0.51
4 A' 1198 1146 223.30 4.83 0.36 0.53
5 A' 536 513 16.83 0.63 0.52 0.69
6 A" 611 584 0.17 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4768.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4561.4 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 wB97X-D/6-311G**
ABC
20.39882 0.40770 0.39971

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.080 -1.121 0.000
N2 0.000 0.110 0.000
N3 -0.232 1.211 0.000
H4 1.060 -1.397 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23452.35281.0174
N21.23451.12431.8427
N32.35281.12432.9100
H41.01741.84272.9100

picture of hydrogen azide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 N3 171.837 N2 N1 H4 109.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.343      
2 N 0.261      
3 N -0.160      
4 H 0.242      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.819 -0.616 0.000 1.920
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.460 -2.080 0.000
y -2.080 -19.523 0.000
z 0.000 0.000 -16.906
Traceless
 xyz
x 3.754 -2.080 0.000
y -2.080 -3.840 0.000
z 0.000 0.000 0.086
Polar
3z2-r20.172
x2-y25.063
xy-2.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.876 -0.765 0.000
y -0.765 5.396 0.000
z 0.000 0.000 1.402


<r2> (average value of r2) Å2
<r2> 33.239
(<r2>)1/2 5.765