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CaAcSn2

Alexandria ALEX

Alex-ID: agm005694954 · Space group: Pnma (#62)

Basic Information

Formula
CaAcSn2
Alex-ID
agm005694954
Elements
3
Sites
16
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
527.31
ų
Cell a
4.4624
Å
Cell b
9.3358
Å
Cell c
12.6575
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
CaAcSn2
Ca
4.00 · 25.0%
Ac
4.00 · 25.0%
Sn
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0929
eV/atom
Formation energy
-0.6277
eV/atom
Corrected total energy
-66.5080
eV
Raw total energy
-66.5079
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0742
eV
DOS at Fermi level
8.5304
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_469_spg62

Decomposition

Ca3(AcSn2)2 Ac3Sn4 CaSn

Computed at

2023-07-11 21:16:03.330397

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: agm005694954).

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 agm005694954
data_agm005694954
_cell_length_a     4.46236
_cell_length_b     9.33581
_cell_length_c     12.65747
_cell_angle_alpha  90.00001
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       527.30725
_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 0.25000 0.48422 0.10681 1.00000
  Ca2 Ca 0.25000 0.98422 0.39319 1.00000
  Ca3 Ca 0.75000 0.51578 0.89319 1.00000
  Ca4 Ca 0.75000 0.01578 0.60681 1.00000
  Ac1 Ac 0.75000 0.87133 0.14565 1.00000
  Ac2 Ac 0.25000 0.12867 0.85435 1.00000
  Ac3 Ac 0.75000 0.37133 0.35435 1.00000
  Ac4 Ac 0.25000 0.62867 0.64565 1.00000
  Sn1 Sn 0.75000 0.84169 0.81001 1.00000
  Sn2 Sn 0.25000 0.15831 0.18999 1.00000
  Sn3 Sn 0.75000 0.34169 0.68999 1.00000
  Sn4 Sn 0.25000 0.65831 0.31001 1.00000
  Sn5 Sn 0.75000 0.74323 0.45218 1.00000
  Sn6 Sn 0.25000 0.75677 0.95218 1.00000
  Sn7 Sn 0.75000 0.24323 0.04782 1.00000
  Sn8 Sn 0.25000 0.25677 0.54782 1.00000
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