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

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-163.641765
Energy at 298.15K 
HF Energy-163.504416
Nuclear repulsion energy59.964869
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 B2PLYP/3-21G
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' 3336 3336 16.73 151.65 0.36 0.53
2 A' 2002 2002 126.85 1.93 0.20 0.34
3 A' 1223 1223 100.76 22.47 0.59 0.74
4 A' 1000 1000 165.15 10.24 0.13 0.22
5 A' 500 500 16.20 0.25 0.30 0.46
6 A" 536 536 6.24 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 4298.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 4298.3 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 B2PLYP/3-21G
ABC
19.47989 0.38119 0.37387

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.348 -1.104 0.000
N2 0.000 0.120 0.000
N3 -0.545 1.155 0.000
H4 1.377 -1.199 0.000

Atom - Atom Distances (Å)
  N1 N2 N3 H4
N11.27292.42911.0336
N21.27291.16931.9074
N32.42911.16933.0391
H41.03361.90743.0391

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 168.102 N2 N1 H4 111.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.310      
2 N -0.001      
3 N -0.020      
4 H 0.331      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.061 -0.379 0.000 2.095
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.820 -1.061 0.000
y -1.061 -19.653 -0.001
z 0.000 -0.001 -16.871
Traceless
 xyz
x 4.442 -1.061 0.000
y -1.061 -4.308 -0.001
z 0.000 -0.001 -0.134
Polar
3z2-r2-0.268
x2-y25.833
xy-1.061
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.119 -1.577 0.000
y -1.577 4.457 0.000
z 0.000 0.000 0.796


<r2> (average value of r2) Å2
<r2> 34.714
(<r2>)1/2 5.892