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

using model chemistry: B3LYP/CEP-121G*

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 B3LYP/CEP-121G*
 hartrees
Energy at 0K-11.781314
Energy at 298.15K-11.781255
HF Energy-11.781314
Nuclear repulsion energy4.376199
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 B3LYP/CEP-121G*
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 719 697 9.26      

Unscaled Zero Point Vibrational Energy (zpe) 359.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 348.5 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 B3LYP/CEP-121G*
B
0.55582

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.635
N2 0.000 0.000 -1.179

Atom - Atom Distances (Å)
  Al1 N2
Al11.8138
N21.8138

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 B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.308      
2 N -0.308      


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 2.526 2.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.252 0.000 0.000
y 0.000 -17.006 0.000
z 0.000 0.000 -19.157
Traceless
 xyz
x 3.830 0.000 0.000
y 0.000 -0.301 0.000
z 0.000 0.000 -3.528
Polar
3z2-r2-7.056
x2-y22.754
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.089 0.000 0.000
y 0.000 -12.865 0.000
z 0.000 0.000 9.230


<r2> (average value of r2) Å2
<r2> 18.655
(<r2>)1/2 4.319

State 2 (1Σ)

Jump to S1C1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-11.734238
Energy at 298.15K-11.734240
Nuclear repulsion energy4.681418
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 B3LYP/CEP-121G*
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 901 874 5.24      

Unscaled Zero Point Vibrational Energy (zpe) 450.7 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 436.9 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 B3LYP/CEP-121G*
B
0.63606

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.593
N2 0.000 0.000 -1.102

Atom - Atom Distances (Å)
  Al1 N2
Al11.6956
N21.6956

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 B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.344      
2 N -0.344      


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 4.375 4.375
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.357 0.000 0.000
y 0.000 -16.357 0.000
z 0.000 0.000 -14.571
Traceless
 xyz
x -0.893 0.000 0.000
y 0.000 -0.893 0.000
z 0.000 0.000 1.786
Polar
3z2-r23.573
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 16.300 0.000 0.000
y 0.000 16.300 0.000
z 0.000 0.000 8.428


<r2> (average value of r2) Å2
<r2> 16.974
(<r2>)1/2 4.120