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

using model chemistry: LSDA/aug-cc-pVDZ

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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-295.941396
Energy at 298.15K-295.941353
HF Energy-295.941396
Nuclear repulsion energy26.745984
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 LSDA/aug-cc-pVDZ
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 754 745 9.75      

Unscaled Zero Point Vibrational Energy (zpe) 376.9 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 372.6 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 LSDA/aug-cc-pVDZ
B
0.56410

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.630
N2 0.000 0.000 -1.170

Atom - Atom Distances (Å)
  Al1 N2
Al11.8005
N21.8005

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 LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.491      
2 N -0.491      


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 3.077 3.077
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.130 0.000 0.000
y 0.000 -18.966 0.000
z 0.000 0.000 -20.285
Traceless
 xyz
x 3.495 0.000 0.000
y 0.000 -0.759 0.000
z 0.000 0.000 -2.736
Polar
3z2-r2-5.473
x2-y22.836
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.722 0.000 0.000
y 0.000 8.246 0.000
z 0.000 0.000 9.569


<r2> (average value of r2) Å2
<r2> 26.280
(<r2>)1/2 5.126

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-295.917706
Energy at 298.15K-295.917718
Nuclear repulsion energy28.631755
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 LSDA/aug-cc-pVDZ
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 940 930 9.79      

Unscaled Zero Point Vibrational Energy (zpe) 470.1 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 464.8 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 LSDA/aug-cc-pVDZ
B
0.64645

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.589
N2 0.000 0.000 -1.093

Atom - Atom Distances (Å)
  Al1 N2
Al11.6819
N21.6819

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 LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Al 0.625      
2 N -0.625      


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 4.860 4.860
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.342 0.000 0.000
y 0.000 -18.342 0.000
z 0.000 0.000 -15.705
Traceless
 xyz
x -1.319 0.000 0.000
y 0.000 -1.319 0.000
z 0.000 0.000 2.637
Polar
3z2-r25.274
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 8.274 0.000 0.000
y 0.000 8.274 0.000
z 0.000 0.000 8.946


<r2> (average value of r2) Å2
<r2> 23.778
(<r2>)1/2 4.876