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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-163.916707
Energy at 298.15K-163.919017
Nuclear repulsion energy61.481547
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 LSDA/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' 3453 3389 55.79      
2 A' 2322 2279 277.28      
3 A' 1331 1306 8.43      
4 A' 1104 1083 196.96      
5 A' 541 531 16.53      
6 A" 605 594 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 4678.1 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 4590.6 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 LSDA/6-31G**
ABC
20.94103 0.40080 0.39327

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.096 -1.121 0.000
N2 0.000 0.103 0.000
N3 -0.250 1.223 0.000
H4 1.075 -1.434 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.22852.36961.0278
N21.22851.14711.8759
N32.36961.14712.9688
H41.02781.87592.9688

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 171.912 N2 N1 H4 112.185
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.422      
2 N 0.355      
3 N -0.257      
4 H 0.324      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.880 -1.099 0.000 2.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.411 -2.104 0.000
y -2.104 -19.064 0.000
z 0.000 0.000 -16.853
Traceless
 xyz
x 3.547 -2.104 0.000
y -2.104 -3.432 0.000
z 0.000 0.000 -0.116
Polar
3z2-r2-0.231
x2-y24.653
xy-2.104
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.894 -0.836 0.000
y -0.836 5.278 0.000
z 0.000 0.000 1.286


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000