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Rb2BaAs2

Alexandria ALEX

Alex-ID: agm002909577 · Space group: I4/mmm (#139)

Basic Information

Formula
Rb2BaAs2
Alex-ID
agm002909577
Elements
3
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
181.40
ų
Cell a
4.9412
Å
Cell b
4.9412
Å
Cell c
8.2102
Å
α angle
72.49
°
β angle
72.49
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Rb2BaAs2
As
2.00 · 40.0%
Ba
1.00 · 20.0%
Rb
2.00 · 40.0%

Energy & Stability

Energy above hull
0.1946
eV/atom
Formation energy
-0.4422
eV/atom
Corrected total energy
-15.3678
eV
Raw total energy
-15.3678
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.4886
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2_5_spg139

Decomposition

BaAs Rb5As4 RbBaAs

Computed at

2017-06-16 08:05:02

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: agm002909577).

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 agm002909577
data_agm002909577
_cell_length_a     4.94118
_cell_length_b     4.94118
_cell_length_c     8.21024
_cell_angle_alpha  72.48739
_cell_angle_beta   72.48739
_cell_angle_gamma  90.00000
_cell_volume       181.39790
_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
  As1 As 0.41582 0.41582 0.16836 1.00000
  As2 As 0.58418 0.58418 0.83164 1.00000
  Ba1 Ba 0.00000 0.00000 0.00000 1.00000
  Rb1 Rb 0.75000 0.25000 0.50000 1.00000
  Rb2 Rb 0.25000 0.75000 0.50000 1.00000
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