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

using model chemistry: B3LYPultrafine/daug-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 B3LYPultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-164.854773
Energy at 298.15K 
HF Energy-164.854773
Nuclear repulsion energy61.937749
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 B3LYPultrafine/daug-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' 3488 3488 48.61 123.36 0.26 0.41
2 A' 2269 2269 405.26 25.90 0.36 0.53
3 A' 1300 1300 2.77 31.32 0.17 0.29
4 A' 1183 1183 223.47 1.45 0.30 0.46
5 A' 548 548 13.90 0.47 0.22 0.36
6 A" 616 616 0.34 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4701.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4701.6 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 B3LYPultrafine/daug-cc-pVTZ
ABC
20.74375 0.40640 0.39859

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.089 -1.121 0.000
N2 0.000 0.112 0.000
N3 -0.242 1.211 0.000
H4 1.065 -1.409 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.23572.35491.0177
N21.23571.12531.8567
N32.35491.12532.9276
H41.01771.85672.9276

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 171.752 N2 N1 H4 110.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.860      
2 N 1.600      
3 N -1.125      
4 H 0.386      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.637 -0.690 0.000 1.777
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.911 -1.933 0.000
y -1.933 -19.676 0.000
z 0.000 0.000 -17.343
Traceless
 xyz
x 3.598 -1.933 0.000
y -1.933 -3.549 0.000
z 0.000 0.000 -0.050
Polar
3z2-r2-0.099
x2-y24.765
xy-1.933
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.808 -0.702 0.000
y -0.702 6.089 0.000
z 0.000 0.000 2.554


<r2> (average value of r2) Å2
<r2> 33.538
(<r2>)1/2 5.791