return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: SVWN/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at SVWN/aug-cc-pVDZ
 hartrees
Energy at 0K-163.940012
Energy at 298.15K 
HF Energy-163.940012
Nuclear repulsion energy61.446784
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 SVWN/aug-cc-pVDZ
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' 3434 3408 70.05 130.16 0.25 0.40
2 A' 2294 2276 338.55 16.64 0.43 0.60
3 A' 1318 1308 12.77 28.91 0.14 0.25
4 A' 1117 1108 187.43 6.15 0.58 0.73
5 A' 535 531 14.64 0.32 0.29 0.45
6 A" 589 584 1.22 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4643.2 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 4607.9 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 SVWN/aug-cc-pVDZ
ABC
20.72547 0.40052 0.39293

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.142 -1.117 0.000
N2 0.000 0.106 0.000
N3 -0.304 1.210 0.000
H4 1.135 -1.392 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23132.36991.0303
N21.23131.14561.8793
N32.36991.14562.9737
H41.03031.87932.9737

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 171.231 N2 N1 H4 112.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.159      
2 N 0.585      
3 N -0.439      
4 H 0.012      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.752 -0.994 0.000 2.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.778 -1.800 0.000
y -1.800 -19.654 0.000
z 0.000 0.000 -17.399
Traceless
 xyz
x 3.749 -1.800 0.000
y -1.800 -3.565 0.000
z 0.000 0.000 -0.184
Polar
3z2-r2-0.368
x2-y24.876
xy-1.800
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.848 -0.907 0.000
y -0.907 6.184 0.000
z 0.000 0.000 2.484


<r2> (average value of r2) Å2
<r2> 33.875
(<r2>)1/2 5.820