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Ca2ReH8

Alexandria ALEX

Alex-ID: agm079573771 · Space group: Cm (#8)

Basic Information

Formula
Ca2ReH8
Alex-ID
agm079573771
Elements
3
Sites
33
Space group
Cm (#8)
Crystal system
monoclinic
Volume
458.82
ų
Cell a
7.8182
Å
Cell b
7.7019
Å
Cell c
7.7023
Å
α angle
98.36
°
β angle
89.44
°
γ angle
89.46
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca2ReH8
Ca
6.00 · 18.2%
Re
3.00 · 9.1%
H
24.00 · 72.7%

Energy & Stability

Energy above hull
0.0629
eV/atom
Formation energy
-0.3832
eV/atom
Corrected total energy
-139.7557
eV
Raw total energy
-139.7557
eV

Electronic Structure

Indirect band gap
0.2673
eV
Direct band gap
0.3105
eV
DOS at Fermi level
3.4521
Total magnetisation
0.9886
μB

Additional Information

Prototype ID

AB2C8_4136_spg8

Decomposition

Ca2ReH8

Computed at

2025-02-03 21:59:03

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: agm079573771).

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 agm079573771
data_agm079573771
_cell_length_a     7.81824
_cell_length_b     7.70193
_cell_length_c     7.70231
_cell_angle_alpha  98.35998
_cell_angle_beta   89.43797
_cell_angle_gamma  89.45913
_cell_volume       458.82088
_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
  Ca1 Ca 0.22528 0.83759 0.17735 1.00000
  Ca2 Ca 0.76512 0.21340 0.76891 1.00000
  Ca3 Ca 0.83832 0.20469 0.20474 1.00000
  Ca4 Ca 0.88288 0.74849 0.74845 1.00000
  Ca5 Ca 0.76509 0.76882 0.21333 1.00000
  Ca6 Ca 0.22531 0.17734 0.83753 1.00000
  Re1 Re 0.00029 0.02309 0.49311 1.00000
  Re2 Re 0.00030 0.49311 0.02307 1.00000
  Re3 Re 0.52812 0.98335 0.98336 1.00000
  H1 H 0.58792 0.81866 0.81868 1.00000
  H2 H 0.35321 0.88280 0.88283 1.00000
  H3 H 0.57925 0.02691 0.20440 1.00000
  H4 H 0.57943 0.20437 0.02698 1.00000
  H5 H 0.22012 0.00493 0.50730 1.00000
  H6 H 0.04866 0.22055 0.61248 1.00000
  H7 H 0.97243 0.95812 0.26664 1.00000
  H8 H 0.80747 0.91383 0.51773 1.00000
  H9 H 0.22016 0.50737 0.00492 1.00000
  H10 H 0.04859 0.61256 0.22053 1.00000
  H11 H 0.80751 0.51771 0.91389 1.00000
  H12 H 0.97248 0.26660 0.95813 1.00000
  H13 H 0.34840 0.08666 0.08656 1.00000
  H14 H 0.75771 0.97356 0.97368 1.00000
  H15 H 0.50664 0.07224 0.78934 1.00000
  H16 H 0.50663 0.78927 0.07217 1.00000
  H17 H 0.82935 0.16646 0.48130 1.00000
  H18 H 0.05656 0.80314 0.47893 1.00000
  H19 H 0.00078 0.00532 0.72128 1.00000
  H20 H 0.08964 0.16743 0.37014 1.00000
  H21 H 0.82930 0.48124 0.16646 1.00000
  H22 H 0.05655 0.47887 0.80308 1.00000
  H23 H 0.08965 0.37022 0.16742 1.00000
  H24 H 0.00085 0.72132 0.00528 1.00000
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