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

using model chemistry: MP2/6-311G**

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 MP2/6-311G**
 hartrees
Energy at 0K-296.439023
Energy at 298.15K-296.438973
HF Energy-296.283321
Nuclear repulsion energy26.456676
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 MP2/6-311G**
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 737 701 27.73      

Unscaled Zero Point Vibrational Energy (zpe) 368.6 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 350.3 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 MP2/6-311G**
B
0.55197

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

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 -1.183

Atom - Atom Distances (Å)
  Al1 N2
Al11.8202
N21.8202

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σ)

Jump to S1C1
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-296.397999
Energy at 298.15K-296.398030
Nuclear repulsion energy29.440608
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 MP2/6-311G**
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 1043 991 155.07      

Unscaled Zero Point Vibrational Energy (zpe) 521.3 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 495.4 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 MP2/6-311G**
B
0.68350

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Al1 0.000 0.000 0.572
N2 0.000 0.000 -1.063

Atom - Atom Distances (Å)
  Al1 N2
Al11.6357
N21.6357

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

Electronic state

Charges, Dipole, Quadrupole and Polarizability