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Rb2Ba6As

Alexandria ALEX

Alex-ID: agm097354583 · Space group: P4/mmm (#123)

Alexandria Database API

Basic Information

Formula
Rb2Ba6As
Alex-ID
agm097354583
Elements
3
Sites
9
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
576.37
ų
Cell a
6.6001
Å
Cell b
6.6004
Å
Cell c
13.2306
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2Ba6As
Rb
2.00 · 22.2%
Ba
6.00 · 66.7%
As
1.00 · 11.1%

Energy & Stability

Energy above hull
0.1153
eV/atom
Formation energy
-0.1870
eV/atom
Corrected total energy
-19.8046
eV
Raw total energy
-19.8046
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.1308
Total magnetisation
-0.0009
μB

Additional Information

Prototype ID

AB2C6_6230_spg6

Decomposition

Ba20As13 Rb Ba

Computed at

2025-04-06 17:05:54

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: agm097354583).

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 agm097354583
data_agm097354583
_cell_length_a     6.60013
_cell_length_b     6.60039
_cell_length_c     13.23058
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       576.36998
_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
  Rb1 Rb 0.00000 0.50000 0.74732 1.00000
  Rb2 Rb 0.00000 0.50000 0.25268 1.00000
  Ba1 Ba 0.50000 0.00000 0.75238 1.00000
  Ba2 Ba 0.50000 0.00000 0.24762 1.00000
  Ba3 Ba 0.00000 0.00000 0.00000 1.00000
  Ba4 Ba 0.00000 0.00000 0.50000 1.00000
  Ba5 Ba 0.50000 0.50000 0.00000 1.00000
  Ba6 Ba 0.50000 0.50000 0.50000 1.00000
  As1 As 0.50000 0.00000 0.00000 1.00000
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