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HEAS Data Platform · Materials Science Database

SrCa7Mn8O21

Alexandria ALEX

Alex-ID: agm005244030 · Space group: P1 (#1)

Basic Information

Formula
SrCa7Mn8O21
Alex-ID
agm005244030
Elements
4
Sites
37
Space group
P1 (#1)
Crystal system
triclinic
Volume
458.63
ų
Cell a
7.8689
Å
Cell b
7.6297
Å
Cell c
7.6515
Å
α angle
90.26
°
β angle
86.74
°
γ angle
89.92
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCa7Mn8O21
Sr
1.00 · 2.7%
Ca
7.00 · 18.9%
Mn
8.00 · 21.6%
O
21.00 · 56.8%

Energy & Stability

Energy above hull
0.0837
eV/atom
Formation energy
-2.5165
eV/atom
Corrected total energy
-286.2950
eV
Raw total energy
-258.1001
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0902
eV
DOS at Fermi level
3.5550
Total magnetisation
30.0000
μB

Additional Information

Prototype ID

AB7C8D21_2_spg1

Decomposition

Ca6MnO8 Ca2Mn3O8 Sr7Mn4O15 CaMn2O4

Computed at

2024-10-13 11:39:54

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: agm005244030).

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 agm005244030
data_agm005244030
_cell_length_a     7.86889
_cell_length_b     7.62965
_cell_length_c     7.65151
_cell_angle_alpha  90.26169
_cell_angle_beta   86.74302
_cell_angle_gamma  89.91536
_cell_volume       458.62552
_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 0.24515 0.24264 0.24391 1.00000
  Ca1 Ca 0.26096 0.27336 0.73207 1.00000
  Ca2 Ca 0.25457 0.73458 0.24620 1.00000
  Ca3 Ca 0.27885 0.74493 0.72622 1.00000
  Ca4 Ca 0.76401 0.24802 0.27897 1.00000
  Ca5 Ca 0.73790 0.27871 0.75131 1.00000
  Ca6 Ca 0.74788 0.72691 0.24385 1.00000
  Ca7 Ca 0.76440 0.75493 0.73073 1.00000
  Mn1 Mn 0.00653 0.99506 0.97484 1.00000
  Mn2 Mn 0.00122 0.00192 0.52171 1.00000
  Mn3 Mn 0.99069 0.49772 0.00663 1.00000
  Mn4 Mn 0.00678 0.50188 0.50109 1.00000
  Mn5 Mn 0.48721 0.99445 0.99484 1.00000
  Mn6 Mn 0.51318 0.99790 0.48807 1.00000
  Mn7 Mn 0.49835 0.50217 0.98903 1.00000
  Mn8 Mn 0.51242 0.50373 0.50416 1.00000
  O1 O 0.89182 0.03167 0.77101 1.00000
  O2 O 0.02040 0.54744 0.25315 1.00000
  O3 O 0.98351 0.45738 0.75602 1.00000
  O4 O 0.52484 0.05850 0.23521 1.00000
  O5 O 0.51564 0.94152 0.74359 1.00000
  O6 O 0.52598 0.54964 0.74830 1.00000
  O7 O 0.22665 0.95898 0.05209 1.00000
  O8 O 0.24888 0.03024 0.53131 1.00000
  O9 O 0.25492 0.52507 0.98776 1.00000
  O10 O 0.26657 0.47445 0.49755 1.00000
  O11 O 0.77753 0.96262 0.43529 1.00000
  O12 O 0.72209 0.45838 0.05988 1.00000
  O13 O 0.75583 0.52692 0.48007 1.00000
  O14 O 0.99674 0.23266 0.05443 1.00000
  O15 O 0.98445 0.24946 0.46255 1.00000
  O16 O 0.93196 0.75652 0.98524 1.00000
  O17 O 0.04025 0.75072 0.54846 1.00000
  O18 O 0.46976 0.24669 0.94346 1.00000
  O19 O 0.54194 0.25264 0.52663 1.00000
  O20 O 0.52212 0.74489 0.05508 1.00000
  O21 O 0.47800 0.74471 0.43929 1.00000
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