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SmBe2CrH8

Alexandria ALEX

Alex-ID: agm007383333 · Space group: R-3 (#148)

Basic Information

Formula
SmBe2CrH8
Alex-ID
agm007383333
Elements
4
Sites
12
Space group
R-3 (#148)
Crystal system
trigonal
Volume
85.69
ų
Cell a
6.1515
Å
Cell b
6.1515
Å
Cell c
6.1515
Å
α angle
39.74
°
β angle
39.74
°
γ angle
39.74
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmBe2CrH8
Sm
1.00 · 8.3%
Be
2.00 · 16.7%
Cr
1.00 · 8.3%
H
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1057
eV/atom
Formation energy
-0.2158
eV/atom
Corrected total energy
-50.3067
eV
Raw total energy
-50.3067
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.1857
eV
DOS at Fermi level
1.8611
Total magnetisation
0.9999
μB

Additional Information

Prototype ID

ABC2D8_1186_spg1

Decomposition

BeH2 SmH3 CrH

Computed at

2024-02-08 19:25:52

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: agm007383333).

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 agm007383333
data_agm007383333
_cell_length_a     6.15151
_cell_length_b     6.15151
_cell_length_c     6.15151
_cell_angle_alpha  39.74295
_cell_angle_beta   39.74295
_cell_angle_gamma  39.74295
_cell_volume       85.69155
_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
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  Be1 Be 0.27803 0.27803 0.27803 1.00000
  Be2 Be 0.72197 0.72197 0.72197 1.00000
  Cr1 Cr 0.00000 0.00000 0.00000 1.00000
  H1 H 0.18629 0.18629 0.18629 1.00000
  H2 H 0.91581 0.62904 0.28642 1.00000
  H3 H 0.81371 0.81371 0.81371 1.00000
  H4 H 0.28642 0.91581 0.62904 1.00000
  H5 H 0.71358 0.08419 0.37096 1.00000
  H6 H 0.62904 0.28642 0.91581 1.00000
  H7 H 0.37096 0.71358 0.08419 1.00000
  H8 H 0.08419 0.37096 0.71358 1.00000
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