Navigation

HEAS Data Platform · Materials Science Database

Ba2LaI7

Alexandria ALEX

Alex-ID: agm003246780 · Space group: P2_1/c (#14)

Basic Information

Formula
Ba2LaI7
Alex-ID
agm003246780
Elements
3
Sites
40
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
1,945.93
ų
Cell a
12.3913
Å
Cell b
9.9424
Å
Cell c
17.7565
Å
α angle
62.81
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ba2LaI7
I
28.00 · 70.0%
Ba
8.00 · 20.0%
La
4.00 · 10.0%

Energy & Stability

Energy above hull
0.0512
eV/atom
Formation energy
-1.6330
eV/atom
Corrected total energy
-143.8160
eV
Raw total energy
-143.8159
eV

Electronic Structure

Indirect band gap
2.3563
eV
Direct band gap
2.3619
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C7_268_spg14

Decomposition

LaI3 BaI2

Computed at

2022-01-10 14:15:11

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: agm003246780).

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 agm003246780
data_agm003246780
_cell_length_a     12.39128
_cell_length_b     9.94241
_cell_length_c     17.75650
_cell_angle_alpha  62.81433
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1945.92583
_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
  I1 I 0.02494 0.72968 0.13430 1.00000
  I2 I 0.35891 0.57779 0.15680 1.00000
  I3 I 0.76406 0.91223 0.96289 1.00000
  I4 I 0.02275 0.29927 0.11972 1.00000
  I5 I 0.54619 0.00421 0.12073 1.00000
  I6 I 0.67403 0.36956 0.13697 1.00000
  I7 I 0.32760 0.08773 0.26441 1.00000
  I8 I 0.52275 0.70073 0.38028 1.00000
  I9 I 0.26406 0.08777 0.53711 1.00000
  I10 I 0.85891 0.42221 0.34320 1.00000
  I11 I 0.82760 0.91227 0.23559 1.00000
  I12 I 0.17403 0.63044 0.36303 1.00000
  I13 I 0.04619 0.99579 0.37927 1.00000
  I14 I 0.52494 0.27032 0.36570 1.00000
  I15 I 0.47506 0.72968 0.63430 1.00000
  I16 I 0.95381 0.00421 0.62073 1.00000
  I17 I 0.82597 0.36956 0.63697 1.00000
  I18 I 0.17240 0.08773 0.76441 1.00000
  I19 I 0.14109 0.57779 0.65680 1.00000
  I20 I 0.73594 0.91223 0.46289 1.00000
  I21 I 0.47725 0.29927 0.61972 1.00000
  I22 I 0.67240 0.91227 0.73559 1.00000
  I23 I 0.32597 0.63044 0.86303 1.00000
  I24 I 0.45381 0.99579 0.87927 1.00000
  I25 I 0.97725 0.70073 0.88028 1.00000
  I26 I 0.23594 0.08777 0.03711 1.00000
  I27 I 0.64109 0.42221 0.84320 1.00000
  I28 I 0.97506 0.27032 0.86570 1.00000
  Ba1 Ba 0.78400 0.19876 0.02182 1.00000
  Ba2 Ba 0.13328 0.37356 0.28234 1.00000
  Ba3 Ba 0.63328 0.62644 0.21766 1.00000
  Ba4 Ba 0.28400 0.80124 0.47818 1.00000
  Ba5 Ba 0.71600 0.19876 0.52182 1.00000
  Ba6 Ba 0.36672 0.37356 0.78234 1.00000
  Ba7 Ba 0.86672 0.62644 0.71766 1.00000
  Ba8 Ba 0.21600 0.80124 0.97818 1.00000
  La1 La 0.10468 0.95434 0.21130 1.00000
  La2 La 0.60468 0.04566 0.28870 1.00000
  La3 La 0.39532 0.95434 0.71130 1.00000
  La4 La 0.89532 0.04566 0.78870 1.00000
Get direct link