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LaMg2H7Pd

Alexandria ALEX

Alex-ID: agm005243246 · Space group: P2_12_12_1 (#19)

Basic Information

Formula
LaMg2H7Pd
Alex-ID
agm005243246
Elements
4
Sites
44
Space group
P2_12_12_1 (#19)
Crystal system
orthorhombic
Volume
445.06
ų
Cell a
4.7108
Å
Cell b
8.0729
Å
Cell c
11.7029
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaMg2H7Pd
La
4.00 · 9.1%
Mg
8.00 · 18.2%
H
28.00 · 63.6%
Pd
4.00 · 9.1%

Energy & Stability

Energy above hull
0.0093
eV/atom
Formation energy
-0.4681
eV/atom
Corrected total energy
-164.5485
eV
Raw total energy
-164.5485
eV

Electronic Structure

Indirect band gap
0.6262
eV
Direct band gap
0.6262
eV
DOS at Fermi level
-0.0324
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D7_221_spg19

Decomposition

MgH6 LaMg2H7 LaH3 MgPd

Computed at

2022-12-13 11:32:14.063402

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: agm005243246).

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 agm005243246
data_agm005243246
_cell_length_a     4.71078
_cell_length_b     8.07289
_cell_length_c     11.70290
_cell_angle_alpha  90.00000
_cell_angle_beta   89.99999
_cell_angle_gamma  90.00000
_cell_volume       445.05647
_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
  La1 La 0.00132 0.45251 0.21707 1.00000
  La2 La 0.99868 0.95251 0.28293 1.00000
  La3 La 0.50132 0.04749 0.78293 1.00000
  La4 La 0.49868 0.54749 0.71707 1.00000
  Mg1 Mg 0.99003 0.33644 0.89292 1.00000
  Mg2 Mg 0.00997 0.83644 0.60708 1.00000
  Mg3 Mg 0.49003 0.16356 0.10708 1.00000
  Mg4 Mg 0.50997 0.66356 0.39292 1.00000
  Mg5 Mg 0.99597 0.71999 0.90002 1.00000
  Mg6 Mg 0.00403 0.21999 0.59998 1.00000
  Mg7 Mg 0.49597 0.78001 0.09998 1.00000
  Mg8 Mg 0.50403 0.28001 0.40002 1.00000
  H1 H 0.52651 0.40789 0.13108 1.00000
  H2 H 0.47349 0.90789 0.36892 1.00000
  H3 H 0.02651 0.09211 0.86892 1.00000
  H4 H 0.97349 0.59211 0.63108 1.00000
  H5 H 0.10222 0.51072 0.01365 1.00000
  H6 H 0.89778 0.01072 0.48635 1.00000
  H7 H 0.60222 0.98928 0.98635 1.00000
  H8 H 0.39778 0.48928 0.51365 1.00000
  H9 H 0.58150 0.66491 0.94046 1.00000
  H10 H 0.41850 0.16491 0.55954 1.00000
  H11 H 0.08150 0.83509 0.05954 1.00000
  H12 H 0.91850 0.33509 0.44046 1.00000
  H13 H 0.53764 0.33120 0.88620 1.00000
  H14 H 0.46236 0.83120 0.61380 1.00000
  H15 H 0.03764 0.16880 0.11380 1.00000
  H16 H 0.96236 0.66880 0.38620 1.00000
  H17 H 0.26978 0.78512 0.78389 1.00000
  H18 H 0.73022 0.28512 0.71611 1.00000
  H19 H 0.76978 0.71488 0.21612 1.00000
  H20 H 0.23022 0.21488 0.28388 1.00000
  H21 H 0.98120 0.52993 0.79593 1.00000
  H22 H 0.01880 0.02993 0.70407 1.00000
  H23 H 0.48120 0.97007 0.20407 1.00000
  H24 H 0.51880 0.47007 0.29593 1.00000
  H25 H 0.75160 0.78879 0.76450 1.00000
  H26 H 0.24840 0.28879 0.73550 1.00000
  H27 H 0.25160 0.71121 0.23550 1.00000
  H28 H 0.74840 0.21121 0.26450 1.00000
  Pd1 Pd 0.46876 0.47648 0.99329 1.00000
  Pd2 Pd 0.53124 0.97648 0.50671 1.00000
  Pd3 Pd 0.96876 0.02352 0.00671 1.00000
  Pd4 Pd 0.03124 0.52352 0.49329 1.00000
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