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

using model chemistry: B3PW91/daug-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 B3PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-164.749474
Energy at 298.15K 
HF Energy-164.749474
Nuclear repulsion energy61.568221
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/daug-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' 3500 3500 48.65 121.57 0.26 0.41
2 A' 2300 2300 389.03 23.68 0.36 0.53
3 A' 1313 1313 0.85 31.31 0.15 0.26
4 A' 1198 1198 210.32 1.81 0.73 0.85
5 A' 537 537 14.19 0.45 0.24 0.38
6 A" 606 606 0.69 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4726.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4726.5 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/daug-cc-pVDZ
ABC
20.28537 0.40194 0.39413

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.111 -1.125 0.000
N2 0.000 0.109 0.000
N3 -0.268 1.213 0.000
H4 1.100 -1.385 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23952.36901.0226
N21.23951.13611.8560
N32.36901.13612.9370
H41.02261.85602.9370

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 171.485 N2 N1 H4 109.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.521      
2 N 1.233      
3 N -0.768      
4 H 0.056      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.661 -0.692 0.000 1.799
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.712 -1.864 0.000
y -1.864 -19.542 0.000
z 0.000 0.000 -17.306
Traceless
 xyz
x 3.712 -1.864 0.000
y -1.864 -3.532 0.000
z 0.000 0.000 -0.180
Polar
3z2-r2-0.359
x2-y24.830
xy-1.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.819 -0.777 0.000
y -0.777 6.065 0.000
z 0.000 0.000 2.535


<r2> (average value of r2) Å2
<r2> 33.704
(<r2>)1/2 5.806