Ho2MgSe4
Alexandria ALEXAlex-ID: agm006223232 · Space group: Pca2_1 (#29)
Basic Information
Formula
Ho2MgSe4
Alex-ID
agm006223232
Elements
3
Sites
56
Space group
Pca2_1 (#29)
Crystal system
orthorhombic
Volume
1,394.04
ų
Cell a
7.8640
Å
Cell b
13.2340
Å
Cell c
13.3949
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
Ho2MgSe4
Ho
16.00 · 28.6%
Mg
8.00 · 14.3%
Se
32.00 · 57.1%
Energy & Stability
Energy above hull
0.0332
eV/atom
Formation energy
-1.6723
eV/atom
Corrected total energy
-291.3633
eV
Raw total energy
-291.3633
eV
Electronic Structure
Indirect band gap
1.1078
eV
Direct band gap
1.1263
eV
DOS at Fermi level
-0.0131
Total magnetisation
0.0000
μB
Additional Information
Prototype ID
AB2C4_66_spg29
Decomposition
Ho2Se3 MgSe
Computed at
2024-11-01 21:31:23
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: agm006223232).
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
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Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm006223232
data_agm006223232
_cell_length_a 7.86403
_cell_length_b 13.23400
_cell_length_c 13.39492
_cell_angle_alpha 90.00000
_cell_angle_beta 90.00000
_cell_angle_gamma 90.00000
_cell_volume 1394.04355
_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
Ho1 Ho 0.87875 0.10626 0.68633 1.00000
Ho2 Ho 0.12125 0.89374 0.18633 1.00000
Ho3 Ho 0.87875 0.39374 0.18633 1.00000
Ho4 Ho 0.12125 0.60626 0.68633 1.00000
Ho5 Ho 0.37851 0.13049 0.32662 1.00000
Ho6 Ho 0.62149 0.86951 0.82662 1.00000
Ho7 Ho 0.37851 0.36951 0.82662 1.00000
Ho8 Ho 0.62149 0.63049 0.32662 1.00000
Ho9 Ho 0.62439 0.13158 0.98895 1.00000
Ho10 Ho 0.37561 0.86842 0.48895 1.00000
Ho11 Ho 0.62439 0.36842 0.48895 1.00000
Ho12 Ho 0.37561 0.63158 0.98895 1.00000
Ho13 Ho 0.12480 0.13258 0.98917 1.00000
Ho14 Ho 0.87520 0.86742 0.48917 1.00000
Ho15 Ho 0.12480 0.36742 0.48917 1.00000
Ho16 Ho 0.87520 0.63258 0.98917 1.00000
Mg1 Mg 0.37345 0.10630 0.68876 1.00000
Mg2 Mg 0.62655 0.89370 0.18876 1.00000
Mg3 Mg 0.37345 0.39370 0.18876 1.00000
Mg4 Mg 0.62655 0.60630 0.68876 1.00000
Mg5 Mg 0.87239 0.12960 0.32170 1.00000
Mg6 Mg 0.12761 0.87040 0.82170 1.00000
Mg7 Mg 0.87239 0.37040 0.82170 1.00000
Mg8 Mg 0.12761 0.62960 0.32170 1.00000
Se1 Se 0.87715 0.01020 0.87798 1.00000
Se2 Se 0.12285 0.98980 0.37798 1.00000
Se3 Se 0.87715 0.48980 0.37798 1.00000
Se4 Se 0.12285 0.51020 0.87798 1.00000
Se5 Se 0.37623 0.03604 0.13012 1.00000
Se6 Se 0.62377 0.96396 0.63012 1.00000
Se7 Se 0.37623 0.46396 0.63012 1.00000
Se8 Se 0.62377 0.53604 0.13012 1.00000
Se9 Se 0.37194 0.01756 0.86933 1.00000
Se10 Se 0.62806 0.98244 0.36933 1.00000
Se11 Se 0.37194 0.48244 0.36933 1.00000
Se12 Se 0.62806 0.51756 0.86933 1.00000
Se13 Se 0.87168 0.04252 0.13632 1.00000
Se14 Se 0.12832 0.95748 0.63632 1.00000
Se15 Se 0.87168 0.45748 0.63632 1.00000
Se16 Se 0.12832 0.54252 0.13632 1.00000
Se17 Se 0.87405 0.21356 0.50487 1.00000
Se18 Se 0.12595 0.78644 0.00487 1.00000
Se19 Se 0.87405 0.28644 0.00487 1.00000
Se20 Se 0.12595 0.71356 0.50487 1.00000
Se21 Se 0.37532 0.21387 0.51896 1.00000
Se22 Se 0.62468 0.78613 0.01896 1.00000
Se23 Se 0.37532 0.28613 0.01896 1.00000
Se24 Se 0.62468 0.71387 0.51896 1.00000
Se25 Se 0.12432 0.22913 0.77891 1.00000
Se26 Se 0.87568 0.77087 0.27891 1.00000
Se27 Se 0.12432 0.27087 0.27891 1.00000
Se28 Se 0.87568 0.72913 0.77891 1.00000
Se29 Se 0.62666 0.22691 0.77900 1.00000
Se30 Se 0.37334 0.77309 0.27900 1.00000
Se31 Se 0.62666 0.27309 0.27900 1.00000
Se32 Se 0.37334 0.72691 0.77900 1.00000
