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TbMg2Zn9

Alexandria ALEX

Alex-ID: agm045762640 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
TbMg2Zn9
Alex-ID
agm045762640
Elements
3
Sites
24
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
402.35
ų
Cell a
8.6963
Å
Cell b
8.6963
Å
Cell c
5.3202
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TbMg2Zn9
Tb
2.00 · 8.3%
Mg
4.00 · 16.7%
Zn
18.00 · 75.0%

Energy & Stability

Energy above hull
0.0081
eV/atom
Formation energy
-0.2040
eV/atom
Corrected total energy
-43.5476
eV
Raw total energy
-43.5476
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0052
eV
DOS at Fermi level
7.0309
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C9_61_spg127

Decomposition

Tb2MgZn16 TbMgZn4 Mg4Zn7

Computed at

2025-02-27 16:43:40

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: agm045762640).

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 agm045762640
data_agm045762640
_cell_length_a     8.69633
_cell_length_b     8.69633
_cell_length_c     5.32023
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       402.34862
_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
  Tb1 Tb 0.00000 0.00000 0.00000 1.00000
  Tb2 Tb 0.50000 0.50000 0.00000 1.00000
  Mg1 Mg 0.62097 0.12097 0.00000 1.00000
  Mg2 Mg 0.37903 0.87903 0.00000 1.00000
  Mg3 Mg 0.87903 0.62097 0.00000 1.00000
  Mg4 Mg 0.12097 0.37903 0.00000 1.00000
  Zn1 Zn 0.50000 0.00000 0.50000 1.00000
  Zn2 Zn 0.00000 0.50000 0.50000 1.00000
  Zn3 Zn 0.05649 0.20400 0.50000 1.00000
  Zn4 Zn 0.94351 0.79600 0.50000 1.00000
  Zn5 Zn 0.44351 0.70400 0.50000 1.00000
  Zn6 Zn 0.55649 0.29600 0.50000 1.00000
  Zn7 Zn 0.20400 0.94351 0.50000 1.00000
  Zn8 Zn 0.79600 0.05649 0.50000 1.00000
  Zn9 Zn 0.70400 0.55649 0.50000 1.00000
  Zn10 Zn 0.29600 0.44351 0.50000 1.00000
  Zn11 Zn 0.81946 0.31946 0.76616 1.00000
  Zn12 Zn 0.18054 0.68054 0.76616 1.00000
  Zn13 Zn 0.68054 0.81946 0.76616 1.00000
  Zn14 Zn 0.31946 0.18054 0.76616 1.00000
  Zn15 Zn 0.18054 0.68054 0.23384 1.00000
  Zn16 Zn 0.81946 0.31946 0.23384 1.00000
  Zn17 Zn 0.31946 0.18054 0.23384 1.00000
  Zn18 Zn 0.68054 0.81946 0.23384 1.00000
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