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ThMg(CoH4)2

Alexandria ALEX

Alex-ID: agm004883014 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
ThMg(CoH4)2
Alex-ID
agm004883014
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
97.14
ų
Cell a
4.5185
Å
Cell b
4.5185
Å
Cell c
6.0816
Å
α angle
68.19
°
β angle
68.19
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
ThMg(CoH4)2
Th
1.00 · 8.3%
Mg
1.00 · 8.3%
Co
2.00 · 16.7%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1567
eV/atom
Formation energy
-0.2638
eV/atom
Corrected total energy
-52.3483
eV
Raw total energy
-52.3483
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0509
eV
DOS at Fermi level
2.0458
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D8_210_spg2

Decomposition

ThCoH5 Th(CoH3)2 Mg2CoH5

Computed at

2023-01-01 22:27:44.503079

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: agm004883014).

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 agm004883014
data_agm004883014
_cell_length_a     4.51850
_cell_length_b     4.51850
_cell_length_c     6.08163
_cell_angle_alpha  68.19259
_cell_angle_beta   68.19259
_cell_angle_gamma  60.00000
_cell_volume       97.13680
_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
  Th1 Th 0.50000 0.50000 0.50000 1.00000
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Co1 Co 0.30546 0.30546 0.08361 1.00000
  Co2 Co 0.69454 0.69454 0.91639 1.00000
  H1 H 0.19897 0.19897 0.40308 1.00000
  H2 H 0.58932 0.37047 0.14121 1.00000
  H3 H 0.80103 0.80103 0.59692 1.00000
  H4 H 0.89899 0.58932 0.14121 1.00000
  H5 H 0.10101 0.41068 0.85879 1.00000
  H6 H 0.37047 0.89899 0.14121 1.00000
  H7 H 0.62953 0.10101 0.85879 1.00000
  H8 H 0.41068 0.62953 0.85879 1.00000
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