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LaNd2SmAs4

Alexandria ALEX

Alex-ID: agm077956909 · Space group: Cmmm (#65)

Alexandria Database API

Basic Information

Formula
LaNd2SmAs4
Alex-ID
agm077956909
Elements
4
Sites
8
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
222.42
ų
Cell a
7.4179
Å
Cell b
7.4179
Å
Cell c
4.2867
Å
α angle
90.00
°
β angle
90.00
°
γ angle
109.45
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaNd2SmAs4
La
1.00 · 12.5%
Nd
2.00 · 25.0%
Sm
1.00 · 12.5%
As
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0027
eV/atom
Formation energy
-1.5291
eV/atom
Corrected total energy
-50.0270
eV
Raw total energy
-50.0270
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0003
eV
DOS at Fermi level
0.7482
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_222_spg10

Decomposition

Nd3SmAs4 NdSm3As4 LaAs

Computed at

2025-01-08 23:20:07

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: agm077956909).

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 agm077956909
data_agm077956909
_cell_length_a     7.41790
_cell_length_b     7.41790
_cell_length_c     4.28669
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  109.44711
_cell_volume       222.41915
_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
  La1 La 0.00000 0.00000 0.50000 1.00000
  Nd1 Nd 0.50000 0.00000 0.00000 1.00000
  Nd2 Nd 0.00000 0.50000 0.00000 1.00000
  Sm1 Sm 0.50000 0.50000 0.50000 1.00000
  As1 As 0.25250 0.74750 0.50000 1.00000
  As2 As 0.74750 0.25250 0.50000 1.00000
  As3 As 0.74496 0.74496 0.00000 1.00000
  As4 As 0.25504 0.25504 0.00000 1.00000
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