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

using model chemistry: B97D3/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 B97D3/cc-pVDZ
 hartrees
Energy at 0K-164.711512
Energy at 298.15K 
HF Energy-164.711512
Nuclear repulsion energy61.137775
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/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' 3384 3355 26.42 138.93 0.33 0.50
2 A' 2239 2220 251.46 10.11 0.39 0.56
3 A' 1278 1267 0.42 21.69 0.33 0.49
4 A' 1161 1151 177.37 4.41 0.45 0.62
5 A' 520 515 13.90 0.65 0.51 0.67
6 A" 586 581 0.03 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4584.1 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 4545.1 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 B97D3/cc-pVDZ
ABC
19.79112 0.39683 0.38903

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.162 -1.125 0.000
N2 0.000 0.108 0.000
N3 -0.329 1.209 0.000
H4 1.170 -1.341 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.24312.38441.0309
N21.24311.14891.8621
N32.38441.14892.9575
H41.03091.86212.9575

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 170.841 N2 N1 H4 109.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.169      
2 N 0.203      
3 N -0.178      
4 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.757 -0.787 0.000 1.925
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.105 -1.534 0.000
y -1.534 -19.097 0.000
z 0.000 0.000 -16.569
Traceless
 xyz
x 3.728 -1.534 0.000
y -1.534 -3.760 0.000
z 0.000 0.000 0.032
Polar
3z2-r20.065
x2-y24.992
xy-1.534
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.989 -1.049 0.000
y -1.049 5.132 0.000
z 0.000 0.000 1.253


<r2> (average value of r2) Å2
<r2> 33.631
(<r2>)1/2 5.799