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All results from a given calculation for AlN (Aluminum nitride)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Π
2 1 yes C*V 1Σ

State 1 (3Π)

Jump to S2C1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-296.263561
Energy at 298.15K-296.263505
HF Energy-296.263561
Nuclear repulsion energy26.477795
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 HF/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 726 657 103.36      

Unscaled Zero Point Vibrational Energy (zpe) 362.7 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 328.5 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 HF/6-31G(2df,p)
B
0.55285

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.637
N2 0.000 0.000 -1.182

Atom - Atom Distances (Å)
  Al1 N2
Al11.8187
N21.8187

picture of Aluminum nitride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.350      
2 N -0.350      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.309 1.309
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.126 0.000 0.000
y 0.000 -18.608 0.000
z 0.000 0.000 -21.396
Traceless
 xyz
x 3.876 0.000 0.000
y 0.000 0.153 0.000
z 0.000 0.000 -4.029
Polar
3z2-r2-8.058
x2-y22.482
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.958 0.000 0.000
y 0.000 4.662 0.000
z 0.000 0.000 7.990


<r2> (average value of r2) Å2
<r2> 26.736
(<r2>)1/2 5.171

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-296.156900
Energy at 298.15K-296.156869
Nuclear repulsion energy28.012326
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 HF/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 791 716 14.03      

Unscaled Zero Point Vibrational Energy (zpe) 395.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 357.9 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 HF/6-31G(2df,p)
B
0.61879

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.602
N2 0.000 0.000 -1.117

Atom - Atom Distances (Å)
  Al1 N2
Al11.7191
N21.7191

picture of Aluminum nitride state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.420      
2 N -0.420      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 3.161 3.161
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.707 0.000 0.000
y 0.000 -17.707 0.000
z 0.000 0.000 -17.150
Traceless
 xyz
x -0.278 0.000 0.000
y 0.000 -0.278 0.000
z 0.000 0.000 0.556
Polar
3z2-r21.113
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.405 0.000 0.000
y 0.000 1.405 0.000
z 0.000 0.000 9.484


<r2> (average value of r2) Å2
<r2> 24.390
(<r2>)1/2 4.939