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SrCa7

Alexandria ALEX

Alex-ID: agm017174205 · Space group: P4/mmm (#123)

Basic Information

Formula
SrCa7
Alex-ID
agm017174205
Elements
2
Sites
8
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
347.81
ų
Cell a
5.5805
Å
Cell b
5.5805
Å
Cell c
11.1684
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCa7
Sr
1.00 · 12.5%
Ca
7.00 · 87.5%

Energy & Stability

Energy above hull
0.0118
eV/atom
Formation energy
0.0118
eV/atom
Corrected total energy
-15.6093
eV
Raw total energy
-15.6093
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0059
eV
DOS at Fermi level
11.7757
Total magnetisation
0.0010
μB

Additional Information

Prototype ID

AB7_4_spg123

Decomposition

Ca Sr

Computed at

2025-01-20 13:07:03

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: agm017174205).

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 agm017174205
data_agm017174205
_cell_length_a     5.58054
_cell_length_b     5.58054
_cell_length_c     11.16842
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       347.81120
_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 0.00000 0.00000 0.50000 1.00000
  Ca1 Ca 0.00000 0.50000 0.75636 1.00000
  Ca2 Ca 0.00000 0.50000 0.24364 1.00000
  Ca3 Ca 0.50000 0.00000 0.24364 1.00000
  Ca4 Ca 0.50000 0.00000 0.75636 1.00000
  Ca5 Ca 0.50000 0.50000 0.00000 1.00000
  Ca6 Ca 0.00000 0.00000 0.00000 1.00000
  Ca7 Ca 0.50000 0.50000 0.50000 1.00000
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