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

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-164.678278
Energy at 298.15K 
HF Energy-164.678278
Nuclear repulsion energy61.371124
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 PBEPBEultrafine/TZVP
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' 3410 3371 38.77 137.42 0.32 0.49
2 A' 2220 2195 312.40 15.05 0.41 0.58
3 A' 1270 1256 1.42 26.04 0.27 0.43
4 A' 1126 1114 198.22 5.63 0.59 0.74
5 A' 525 519 15.40 0.40 0.46 0.63
6 A" 580 574 0.87 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4565.8 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 4513.8 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 PBEPBEultrafine/TZVP
ABC
20.29753 0.39959 0.39188

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.194 -1.114 0.000
N2 0.000 0.110 0.000
N3 -0.366 1.193 0.000
H4 1.199 -1.325 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23892.37381.0266
N21.23891.14331.8699
N32.37381.14332.9646
H41.02661.86992.9646

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 170.374 N2 N1 H4 110.901
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.375      
2 N 0.401      
3 N -0.251      
4 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.922 -0.749 0.000 2.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.417 -1.570 0.000
y -1.570 -20.038 0.000
z 0.000 0.000 -17.187
Traceless
 xyz
x 4.196 -1.570 0.000
y -1.570 -4.236 0.000
z 0.000 0.000 0.040
Polar
3z2-r20.080
x2-y25.621
xy-1.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.349 -1.152 0.000
y -1.152 5.775 0.000
z 0.000 0.000 1.761


<r2> (average value of r2) Å2
<r2> 33.877
(<r2>)1/2 5.820