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

using model chemistry: B3PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-164.787113
Energy at 298.15K 
HF Energy-164.787113
Nuclear repulsion energy62.063771
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 B3PW91/aug-cc-pVTZ
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' 3512 3389 51.85 118.61 0.26 0.41
2 A' 2301 2221 407.79 24.44 0.37 0.54
3 A' 1313 1267 0.74 30.68 0.16 0.27
4 A' 1190 1149 220.03 1.73 0.71 0.83
5 A' 555 536 14.94 0.46 0.26 0.41
6 A" 625 603 0.25 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4747.5 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 4581.8 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 B3PW91/aug-cc-pVTZ
ABC
20.77155 0.40822 0.40035

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.074 -1.119 0.000
N2 0.000 0.110 0.000
N3 -0.224 1.212 0.000
H4 1.047 -1.417 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23092.34991.0173
N21.23091.12481.8515
N32.34991.12482.9204
H41.01731.85152.9204

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 171.980 N2 N1 H4 110.527
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.691      
2 N 1.149      
3 N -0.650      
4 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.633 -0.745 0.000 1.795
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.795 -2.003 0.000
y -2.003 -19.403 0.000
z 0.000 0.000 -17.199
Traceless
 xyz
x 3.507 -2.003 0.000
y -2.003 -3.406 0.000
z 0.000 0.000 -0.100
Polar
3z2-r2-0.200
x2-y24.609
xy-2.003
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.723 -0.654 0.000
y -0.654 6.028 0.000
z 0.000 0.000 2.492


<r2> (average value of r2) Å2
<r2> 33.326
(<r2>)1/2 5.773