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CaNd(SmSe2)2

Alexandria ALEX

Alex-ID: agm004825005 · Space group: P2/m (#10)

Basic Information

Formula
CaNd(SmSe2)2
Alex-ID
agm004825005
Elements
4
Sites
8
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
208.40
ų
Cell a
4.1678
Å
Cell b
7.2630
Å
Cell c
7.2845
Å
α angle
70.92
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaNd(SmSe2)2
Ca
1.00 · 12.5%
Nd
1.00 · 12.5%
Sm
2.00 · 25.0%
Se
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0218
eV/atom
Formation energy
-1.8554
eV/atom
Corrected total energy
-45.0274
eV
Raw total energy
-45.0274
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.0853
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_343_spg10

Decomposition

NdSm4Se5 Nd4SmSe5 CaSe

Computed at

2022-07-18 01:49:16.136292

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: agm004825005).

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 agm004825005
data_agm004825005
_cell_length_a     4.16785
_cell_length_b     7.26302
_cell_length_c     7.28450
_cell_angle_alpha  70.92188
_cell_angle_beta   89.99972
_cell_angle_gamma  89.99968
_cell_volume       208.39860
_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
  Ca1 Ca 0.00000 0.49999 0.50000 1.00000
  Nd1 Nd 0.50000 0.50000 1.00000 1.00000
  Sm1 Sm 0.00000 0.00000 1.00000 1.00000
  Sm2 Sm 0.50000 0.00000 0.50000 1.00000
  Se1 Se 0.00000 0.75115 0.74460 1.00000
  Se2 Se 1.00000 0.24885 0.25540 1.00000
  Se3 Se 0.50000 0.74925 0.25401 1.00000
  Se4 Se 0.50000 0.25075 0.74598 1.00000
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