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SrCaAsI

Alexandria ALEX

Alex-ID: agm005201072 · Space group: R3m (#160)

Basic Information

Formula
SrCaAsI
Alex-ID
agm005201072
Elements
4
Sites
4
Space group
R3m (#160)
Crystal system
trigonal
Volume
139.61
ų
Cell a
4.4747
Å
Cell b
4.4742
Å
Cell c
8.4575
Å
α angle
90.07
°
β angle
105.31
°
γ angle
120.01
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCaAsI
Sr
1.00 · 25.0%
Ca
1.00 · 25.0%
As
1.00 · 25.0%
I
1.00 · 25.0%

Energy & Stability

Energy above hull
0.0520
eV/atom
Formation energy
-1.3746
eV/atom
Corrected total energy
-15.3896
eV
Raw total energy
-15.3896
eV

Electronic Structure

Indirect band gap
1.6588
eV
Direct band gap
1.8390
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD_1534_spg160

Decomposition

Sr2AsI Ca2AsI

Computed at

2022-08-07 12:41:38.336993

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: agm005201072).

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 agm005201072
data_agm005201072
_cell_length_a     4.47471
_cell_length_b     4.47416
_cell_length_c     8.45753
_cell_angle_alpha  90.06720
_cell_angle_beta   105.30637
_cell_angle_gamma  120.01385
_cell_volume       139.60739
_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
  Sr1 Sr 0.10187 0.94904 0.06598 1.00000
  Ca1 Ca 0.51312 0.15399 0.68301 1.00000
  As1 As 0.29681 0.54611 0.85847 1.00000
  I1 I 0.96611 0.38166 0.36221 1.00000
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