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Rb2BeCu

Alexandria ALEX

Alex-ID: agm002801201 · Space group: I-42d (#122)

Alexandria Database API

Basic Information

Formula
Rb2BeCu
Alex-ID
agm002801201
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
304.09
ų
Cell a
9.3917
Å
Cell b
9.3917
Å
Cell c
7.4825
Å
α angle
51.13
°
β angle
51.13
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2BeCu
Be
2.00 · 25.0%
Cu
2.00 · 25.0%
Rb
4.00 · 50.0%

Energy & Stability

Energy above hull
1.0539
eV/atom
Formation energy
1.0068
eV/atom
Corrected total energy
-11.5883
eV
Raw total energy
-11.5883
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
5.2235
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_185_spg122

Decomposition

Rb Be2Cu Cu

Computed at

2016-12-25 23:59:32

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: agm002801201).

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 agm002801201
data_agm002801201
_cell_length_a     9.39168
_cell_length_b     9.39168
_cell_length_c     7.48250
_cell_angle_alpha  51.12843
_cell_angle_beta   51.12843
_cell_angle_gamma  90.00000
_cell_volume       304.09077
_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
  Be1 Be 0.50000 0.50000 0.00000 1.00000
  Be2 Be 0.25000 0.75000 0.50000 1.00000
  Cu1 Cu 0.00000 0.00000 0.00000 1.00000
  Cu2 Cu 0.75000 0.25000 0.50000 1.00000
  Rb1 Rb 0.64118 0.12500 0.25000 1.00000
  Rb2 Rb 0.10882 0.62500 0.25000 1.00000
  Rb3 Rb 0.37500 0.35882 0.75000 1.00000
  Rb4 Rb 0.87500 0.89118 0.75000 1.00000
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