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Mn2Al9

Alexandria ALEX

Alex-ID: agm007757392 · Space group: P2_1/c (#14)

Basic Information

Formula
Mn2Al9
Alex-ID
agm007757392
Elements
2
Sites
22
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
351.89
ų
Cell a
5.9916
Å
Cell b
6.5748
Å
Cell c
8.9538
Å
α angle
90.00
°
β angle
93.94
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mn2Al9
Mn
4.00 · 18.2%
Al
18.00 · 81.8%

Energy & Stability

Energy above hull
0.0703
eV/atom
Formation energy
-0.1347
eV/atom
Corrected total energy
-107.0622
eV
Raw total energy
-107.0621
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0009
eV
DOS at Fermi level
13.0813
Total magnetisation
0.0315
μB

Additional Information

Prototype ID

A2B9_3_spg7

Decomposition

MnAl6 Mn4Al11

Computed at

2024-12-20 19:51:38

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm007757392).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm007757392
data_agm007757392
_cell_length_a     5.99159
_cell_length_b     6.57484
_cell_length_c     8.95385
_cell_angle_alpha  90.00000
_cell_angle_beta   93.94167
_cell_angle_gamma  90.00000
_cell_volume       351.89121
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Mn1 Mn 0.26280 0.36811 0.83344 1.00000
  Mn2 Mn 0.73659 0.86814 0.66656 1.00000
  Mn3 Mn 0.73659 0.13186 0.16656 1.00000
  Mn4 Mn 0.26280 0.63189 0.33344 1.00000
  Al1 Al 0.99968 0.75002 0.49997 1.00000
  Al2 Al 0.99968 0.24998 0.99997 1.00000
  Al3 Al 0.43298 0.69519 0.78376 1.00000
  Al4 Al 0.56639 0.19520 0.71620 1.00000
  Al5 Al 0.56639 0.80480 0.21620 1.00000
  Al6 Al 0.43298 0.30481 0.28376 1.00000
  Al7 Al 0.05668 0.07970 0.72450 1.00000
  Al8 Al 0.94277 0.57972 0.77545 1.00000
  Al9 Al 0.94277 0.42028 0.27545 1.00000
  Al10 Al 0.05668 0.92030 0.22450 1.00000
  Al11 Al 0.39940 0.93372 0.48459 1.00000
  Al12 Al 0.60003 0.43374 0.01538 1.00000
  Al13 Al 0.60003 0.56626 0.51538 1.00000
  Al14 Al 0.39940 0.06628 0.98459 1.00000
  Al15 Al 0.21008 0.37453 0.54680 1.00000
  Al16 Al 0.78932 0.87454 0.95318 1.00000
  Al17 Al 0.78932 0.12546 0.45318 1.00000
  Al18 Al 0.21008 0.62547 0.04680 1.00000
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