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

using model chemistry: BLYP/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 BLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-164.837694
Energy at 298.15K 
HF Energy-164.837694
Nuclear repulsion energy61.211551
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 BLYP/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' 3379 3368 36.55 135.52 0.27 0.42
2 A' 2157 2150 322.30 19.55 0.40 0.57
3 A' 1250 1245 10.30 33.28 0.19 0.31
4 A' 1136 1133 193.98 1.73 0.16 0.27
5 A' 522 520 12.31 0.37 0.22 0.36
6 A" 581 579 1.70 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4512.6 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 4497.3 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 BLYP/aug-cc-pVTZ
ABC
20.33698 0.39707 0.38946

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.166 -1.124 0.000
N2 0.000 0.112 0.000
N3 -0.332 1.205 0.000
H4 1.165 -1.357 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.24722.38171.0257
N21.24721.14231.8751
N32.38171.14232.9677
H41.02571.87512.9677

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 170.733 N2 N1 H4 110.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.600      
2 N 0.965      
3 N -0.544      
4 H 0.178      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.675 -0.749 0.000 1.835
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.848 -1.566 0.000
y -1.566 -19.917 0.000
z 0.000 0.000 -17.465
Traceless
 xyz
x 3.843 -1.566 0.000
y -1.566 -3.761 0.000
z 0.000 0.000 -0.082
Polar
3z2-r2-0.164
x2-y25.070
xy-1.566
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.021 -0.974 0.000
y -0.974 6.223 0.000
z 0.000 0.000 2.633


<r2> (average value of r2) Å2
<r2> 34.135
(<r2>)1/2 5.843