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

using model chemistry: B97D3/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/Def2TZVPP
 hartrees
Energy at 0K-164.767012
Energy at 298.15K 
HF Energy-164.767012
Nuclear repulsion energy61.638498
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 B97D3/Def2TZVPP
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' 3432 3385 35.48 130.13 0.30 0.46
2 A' 2225 2195 317.78 17.00 0.38 0.56
3 A' 1278 1260 0.89 26.90 0.26 0.41
4 A' 1160 1144 201.72 2.77 0.39 0.56
5 A' 539 531 14.24 0.41 0.42 0.60
6 A" 602 594 0.49 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4618.1 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 4554.8 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 B97D3/Def2TZVPP
ABC
20.60242 0.40275 0.39503

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.128 -1.120 0.000
N2 0.000 0.109 0.000
N3 -0.288 1.208 0.000
H4 1.116 -1.380 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23582.36541.0210
N21.23581.13641.8609
N32.36541.13642.9447
H41.02101.86092.9447

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 171.294 N2 N1 H4 110.735
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.324      
2 N 0.351      
3 N -0.210      
4 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.707 -0.837 0.000 1.901
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.541 -1.750 0.000
y -1.750 -19.407 0.000
z 0.000 0.000 -17.013
Traceless
 xyz
x 3.670 -1.750 0.000
y -1.750 -3.631 0.000
z 0.000 0.000 -0.039
Polar
3z2-r2-0.078
x2-y24.867
xy-1.750
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.433 -0.879 0.000
y -0.879 5.820 0.000
z 0.000 0.000 1.994


<r2> (average value of r2) Å2
<r2> 33.542
(<r2>)1/2 5.792