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Mg2H4Pt

Alexandria ALEX

Alex-ID: agm081408321 · Space group: P2_1/m (#11)

Basic Information

Formula
Mg2H4Pt
Alex-ID
agm081408321
Elements
3
Sites
28
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
292.02
ų
Cell a
6.8350
Å
Cell b
6.3023
Å
Cell c
6.7795
Å
α angle
90.01
°
β angle
89.41
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Mg2H4Pt
Mg
8.00 · 28.6%
H
16.00 · 57.1%
Pt
4.00 · 14.3%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.4003
eV/atom
Corrected total energy
-100.1529
eV
Raw total energy
-100.1529
eV

Electronic Structure

Indirect band gap
0.9716
eV
Direct band gap
1.1050
eV
DOS at Fermi level
-0.0232
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_6521_spg11

Decomposition

Mg2H4Pt

Computed at

2025-05-26 23:05:23

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: agm081408321).

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 agm081408321
data_agm081408321
_cell_length_a     6.83500
_cell_length_b     6.30232
_cell_length_c     6.77950
_cell_angle_alpha  90.00575
_cell_angle_beta   89.41087
_cell_angle_gamma  90.00494
_cell_volume       292.02092
_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
  Mg1 Mg 0.00721 0.25725 0.00971 1.00000
  Mg2 Mg 0.00731 0.74299 0.00990 1.00000
  Mg3 Mg 0.49838 0.24646 0.51846 1.00000
  Mg4 Mg 0.49829 0.75365 0.51837 1.00000
  Mg5 Mg 0.00157 0.74631 0.48170 1.00000
  Mg6 Mg 0.00170 0.25362 0.48139 1.00000
  Mg7 Mg 0.49267 0.75712 0.99016 1.00000
  Mg8 Mg 0.49278 0.24269 0.99023 1.00000
  H1 H 0.98306 1.00000 0.83502 1.00000
  H2 H 0.24214 0.25932 0.22349 1.00000
  H3 H 0.51701 0.49994 0.16498 1.00000
  H4 H 0.27519 0.49991 0.48940 1.00000
  H5 H 0.97954 0.49997 0.73777 1.00000
  H6 H 0.69483 0.50008 0.49976 1.00000
  H7 H 0.80544 0.99991 0.50035 1.00000
  H8 H 0.24223 0.74054 0.22376 1.00000
  H9 H 0.72113 0.26163 0.76732 1.00000
  H10 H 0.52050 0.00008 0.26245 1.00000
  H11 H 0.25784 0.75942 0.77625 1.00000
  H12 H 0.77907 0.23836 0.23257 1.00000
  H13 H 0.72106 0.73840 0.76752 1.00000
  H14 H 0.22412 0.00012 0.51041 1.00000
  H15 H 0.25794 0.24068 0.77640 1.00000
  H16 H 0.77892 0.76160 0.23266 1.00000
  Pt1 Pt 0.74437 0.99999 0.74828 1.00000
  Pt2 Pt 0.27111 0.99996 0.26095 1.00000
  Pt3 Pt 0.22891 0.50001 0.73899 1.00000
  Pt4 Pt 0.75565 0.49998 0.25174 1.00000
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