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

using model chemistry: HF/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 HF/6-31G
 hartrees
Energy at 0K-163.729883
Energy at 298.15K 
HF Energy-163.729883
Nuclear repulsion energy61.800877
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 HF/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' 3665 3309 27.52 150.43 0.34 0.50
2 A' 2342 2115 466.42 47.93 0.30 0.46
3 A' 1423 1285 73.61 17.78 0.65 0.79
4 A' 1099 992 290.44 5.25 0.16 0.27
5 A' 502 453 12.86 0.54 0.73 0.84
6 A" 553 500 0.87 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4792.5 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 4327.1 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 HF/6-31G
ABC
20.91331 0.40328 0.39565

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.204 -1.114 0.000
N2 0.000 0.127 0.000
N3 -0.374 1.176 0.000
H4 1.191 -1.324 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.25772.36101.0090
N21.25771.11281.8773
N32.36101.11282.9489
H41.00901.87732.9489

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 169.695 N2 N1 H4 111.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.393      
2 N 0.133      
3 N -0.095      
4 H 0.355      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.094 0.327 0.000 2.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.492 -1.852 0.000
y -1.852 -21.226 0.000
z 0.000 0.000 -17.490
Traceless
 xyz
x 4.866 -1.852 0.000
y -1.852 -5.236 0.000
z 0.000 0.000 0.370
Polar
3z2-r20.739
x2-y26.734
xy-1.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.911 -1.296 0.000
y -1.296 5.177 0.000
z 0.000 0.000 0.959


<r2> (average value of r2) Å2
<r2> 33.986
(<r2>)1/2 5.830