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RbCaMg14

Alexandria ALEX

Alex-ID: agm005278020 · Space group: P-6m2 (#187)

Basic Information

Formula
RbCaMg14
Alex-ID
agm005278020
Elements
3
Sites
16
Space group
P-6m2 (#187)
Crystal system
hexagonal
Volume
421.54
ų
Cell a
6.7349
Å
Cell b
6.7349
Å
Cell c
10.7313
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
RbCaMg14
Rb
1.00 · 6.3%
Ca
1.00 · 6.3%
Mg
14.00 · 87.5%

Energy & Stability

Energy above hull
0.1409
eV/atom
Formation energy
0.1195
eV/atom
Corrected total energy
-23.3820
eV
Raw total energy
-23.3820
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.9901
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC14_2_spg38

Decomposition

Rb CaMg2 Mg

Computed at

2023-05-07 05:29:08.029183

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: agm005278020).

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 agm005278020
data_agm005278020
_cell_length_a     6.73488
_cell_length_b     6.73488
_cell_length_c     10.73132
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       421.54425
_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
  Rb1 Rb 0.00000 0.00000 0.50000 1.00000
  Ca1 Ca 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.00386 0.50193 0.00000 1.00000
  Mg2 Mg 0.00902 0.50451 0.50000 1.00000
  Mg3 Mg 0.49807 0.99614 0.00000 1.00000
  Mg4 Mg 0.49549 0.99098 0.50000 1.00000
  Mg5 Mg 0.49807 0.50193 0.00000 1.00000
  Mg6 Mg 0.49549 0.50451 0.50000 1.00000
  Mg7 Mg 0.17554 0.82446 0.24347 1.00000
  Mg8 Mg 0.17554 0.82446 0.75653 1.00000
  Mg9 Mg 0.17554 0.35108 0.24347 1.00000
  Mg10 Mg 0.17554 0.35108 0.75653 1.00000
  Mg11 Mg 0.64892 0.82446 0.24347 1.00000
  Mg12 Mg 0.64892 0.82446 0.75653 1.00000
  Mg13 Mg 0.66667 0.33333 0.25330 1.00000
  Mg14 Mg 0.66667 0.33333 0.74670 1.00000
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