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PmAlB14

Alexandria ALEX

Alex-ID: agm005755463 · Space group: Imma (#74)

Basic Information

Formula
PmAlB14
Alex-ID
agm005755463
Elements
3
Sites
32
Space group
Imma (#74)
Crystal system
orthorhombic
Volume
260.70
ų
Cell a
5.9212
Å
Cell b
7.3527
Å
Cell c
7.3527
Å
α angle
68.96
°
β angle
66.26
°
γ angle
66.26
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmAlB14
Pm
2.00 · 6.3%
Al
2.00 · 6.3%
B
28.00 · 87.5%

Energy & Stability

Energy above hull
0.0616
eV/atom
Formation energy
-0.1509
eV/atom
Corrected total energy
-208.7893
eV
Raw total energy
-208.7893
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0632
eV
DOS at Fermi level
3.6564
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_1_spg74

Decomposition

PmB6 Al23B50 B

Computed at

2023-07-18 13:41:26.428852

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: agm005755463).

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 agm005755463
data_agm005755463
_cell_length_a     5.92118
_cell_length_b     7.35274
_cell_length_c     7.35275
_cell_angle_alpha  68.95646
_cell_angle_beta   66.25601
_cell_angle_gamma  66.25600
_cell_volume       260.70103
_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
  Pm1 Pm 0.25000 0.39673 0.10327 1.00000
  Pm2 Pm 0.75000 0.60327 0.89673 1.00000
  Al1 Al 0.50000 0.00000 0.50000 1.00000
  Al2 Al 0.00000 0.00000 0.50000 1.00000
  B1 B 0.66690 0.36636 0.29983 1.00000
  B2 B 0.33310 0.63364 0.70017 1.00000
  B3 B 0.16690 0.79983 0.86636 1.00000
  B4 B 0.83310 0.20017 0.13364 1.00000
  B5 B 0.13949 0.22996 0.49106 1.00000
  B6 B 0.86051 0.77004 0.50894 1.00000
  B7 B 0.63949 0.99106 0.72996 1.00000
  B8 B 0.36051 0.00894 0.27004 1.00000
  B9 B 0.08924 0.07575 0.74577 1.00000
  B10 B 0.91076 0.92425 0.25423 1.00000
  B11 B 0.58924 0.24577 0.57575 1.00000
  B12 B 0.41076 0.75423 0.42425 1.00000
  B13 B 0.72158 0.60221 0.27922 1.00000
  B14 B 0.60301 0.39779 0.72078 1.00000
  B15 B 0.22158 0.77922 0.10221 1.00000
  B16 B 0.10301 0.22078 0.89779 1.00000
  B17 B 0.27842 0.39779 0.72078 1.00000
  B18 B 0.39699 0.60221 0.27922 1.00000
  B19 B 0.77842 0.22078 0.89779 1.00000
  B20 B 0.89699 0.77922 0.10221 1.00000
  B21 B 0.32705 0.96963 0.87242 1.00000
  B22 B 0.16910 0.03037 0.12758 1.00000
  B23 B 0.82705 0.37242 0.46963 1.00000
  B24 B 0.66910 0.62758 0.53037 1.00000
  B25 B 0.67295 0.03037 0.12758 1.00000
  B26 B 0.83090 0.96963 0.87242 1.00000
  B27 B 0.17295 0.62758 0.53037 1.00000
  B28 B 0.33090 0.37242 0.46963 1.00000
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