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Ca7Sn3

Alexandria ALEX

Alex-ID: agm007808020 · Space group: P6_3mc (#186)

Alexandria Database API

Basic Information

Formula
Ca7Sn3
Alex-ID
agm007808020
Elements
2
Sites
20
Space group
P6_3mc (#186)
Crystal system
hexagonal
Volume
696.68
ų
Cell a
11.0037
Å
Cell b
11.0037
Å
Cell c
6.6439
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ca7Sn3
Ca
14.00 · 70.0%
Sn
6.00 · 30.0%

Energy & Stability

Energy above hull
0.0783
eV/atom
Formation energy
-0.5090
eV/atom
Corrected total energy
-62.2262
eV
Raw total energy
-62.2262
eV

Electronic Structure

Indirect band gap
0.0218
eV
Direct band gap
0.2435
eV
DOS at Fermi level
6.0729
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B7_58_spg194

Decomposition

Ca2Sn Ca

Computed at

2024-04-21 10:25:30.697920

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: agm007808020).

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 agm007808020
data_agm007808020
_cell_length_a     11.00370
_cell_length_b     11.00370
_cell_length_c     6.64391
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       696.67770
_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 0.33333 0.66667 0.83661 1.00000
  Ca2 Ca 0.66667 0.33333 0.33661 1.00000
  Ca3 Ca 0.13159 0.26317 0.09851 1.00000
  Ca4 Ca 0.73683 0.86841 0.09851 1.00000
  Ca5 Ca 0.13159 0.86841 0.09851 1.00000
  Ca6 Ca 0.86841 0.73683 0.59851 1.00000
  Ca7 Ca 0.26317 0.13159 0.59851 1.00000
  Ca8 Ca 0.86841 0.13159 0.59851 1.00000
  Ca9 Ca 0.53869 0.07738 0.85712 1.00000
  Ca10 Ca 0.92262 0.46131 0.85712 1.00000
  Ca11 Ca 0.53869 0.46131 0.85712 1.00000
  Ca12 Ca 0.46131 0.92262 0.35712 1.00000
  Ca13 Ca 0.07738 0.53869 0.35712 1.00000
  Ca14 Ca 0.46131 0.53869 0.35712 1.00000
  Sn1 Sn 0.81530 0.63059 0.12950 1.00000
  Sn2 Sn 0.36941 0.18470 0.12950 1.00000
  Sn3 Sn 0.81530 0.18470 0.12950 1.00000
  Sn4 Sn 0.18470 0.36941 0.62950 1.00000
  Sn5 Sn 0.63059 0.81530 0.62950 1.00000
  Sn6 Sn 0.18470 0.81530 0.62950 1.00000
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