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Pm7BeBr12

Alexandria ALEX

Alex-ID: agm005774378 · Space group: R-3 (#148)

Basic Information

Formula
Pm7BeBr12
Alex-ID
agm005774378
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
666.14
ų
Cell a
10.1210
Å
Cell b
9.3478
Å
Cell c
9.3478
Å
α angle
107.74
°
β angle
111.16
°
γ angle
111.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm7BeBr12
Pm
7.00 · 35.0%
Be
1.00 · 5.0%
Br
12.00 · 60.0%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-1.5379
eV/atom
Corrected total energy
-87.8140
eV
Raw total energy
-87.8140
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.9697
Total magnetisation
0.0006
μB

Additional Information

Prototype ID

AB7C12_30_spg148

Decomposition

Pm7BeBr12

Computed at

2023-07-15 11:17:32.366509

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: agm005774378).

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 agm005774378
data_agm005774378
_cell_length_a     10.12095
_cell_length_b     9.34779
_cell_length_c     9.34779
_cell_angle_alpha  107.73548
_cell_angle_beta   111.15570
_cell_angle_gamma  111.15569
_cell_volume       666.13771
_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 0.11061 0.78861 0.07502 1.00000
  Pm2 Pm 0.96440 0.07502 0.28640 1.00000
  Pm3 Pm 0.67800 0.71360 0.78861 1.00000
  Pm4 Pm 0.50000 0.00000 0.00000 1.00000
  Pm5 Pm 0.32200 0.28640 0.21139 1.00000
  Pm6 Pm 0.03560 0.92498 0.71360 1.00000
  Pm7 Pm 0.88939 0.21139 0.92498 1.00000
  Be1 Be 0.00000 0.00000 0.00000 1.00000
  Br1 Br 0.22627 0.53740 0.14974 1.00000
  Br2 Br 0.92347 0.14974 0.61234 1.00000
  Br3 Br 0.60843 0.76757 0.08237 1.00000
  Br4 Br 0.47393 0.08237 0.31479 1.00000
  Br5 Br 0.31113 0.38766 0.53740 1.00000
  Br6 Br 0.15914 0.68521 0.76757 1.00000
  Br7 Br 0.84086 0.31479 0.23243 1.00000
  Br8 Br 0.68887 0.61234 0.46260 1.00000
  Br9 Br 0.52607 0.91763 0.68521 1.00000
  Br10 Br 0.39157 0.23243 0.91763 1.00000
  Br11 Br 0.07653 0.85026 0.38766 1.00000
  Br12 Br 0.77373 0.46260 0.85026 1.00000
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