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TbMg2CuH8

Alexandria ALEX

Alex-ID: agm007431256 · Space group: P-1 (#2)

Basic Information

Formula
TbMg2CuH8
Alex-ID
agm007431256
Elements
4
Sites
12
Space group
P-1 (#2)
Crystal system
triclinic
Volume
104.60
ų
Cell a
4.3805
Å
Cell b
4.3238
Å
Cell c
5.9706
Å
α angle
88.50
°
β angle
68.52
°
γ angle
83.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
TbMg2CuH8
Tb
1.00 · 8.3%
Mg
2.00 · 16.7%
Cu
1.00 · 8.3%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1273
eV/atom
Formation energy
-0.2550
eV/atom
Corrected total energy
-40.9591
eV
Raw total energy
-40.9591
eV

Electronic Structure

Indirect band gap
0.1355
eV
Direct band gap
0.4239
eV
DOS at Fermi level
0.2001
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_290_spg2

Decomposition

MgH6 TbH3 MgH2 Cu

Computed at

2024-02-08 06:55:39

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: agm007431256).

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 agm007431256
data_agm007431256
_cell_length_a     4.38049
_cell_length_b     4.32380
_cell_length_c     5.97062
_cell_angle_alpha  88.49758
_cell_angle_beta   68.51812
_cell_angle_gamma  83.79411
_cell_volume       104.60251
_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 0.50000 1.00000
  Mg1 Mg 0.36693 0.48315 0.79258 1.00000
  Mg2 Mg 0.63307 0.51685 0.20742 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
  H1 H 0.61147 0.99066 0.29653 1.00000
  H2 H 0.73743 0.25431 0.87484 1.00000
  H3 H 0.09546 0.27543 0.13724 1.00000
  H4 H 0.38853 0.00934 0.70347 1.00000
  H5 H 0.26257 0.74569 0.12516 1.00000
  H6 H 0.90454 0.72457 0.86276 1.00000
  H7 H 0.76693 0.51315 0.50216 1.00000
  H8 H 0.23307 0.48685 0.49784 1.00000
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