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HEAS Data Platform · Materials Science Database

SrCa3Mg4(SiO3)8

Alexandria ALEX

Alex-ID: agm005239874 · Space group: P2 (#3)

Basic Information

Formula
SrCa3Mg4(SiO3)8
Alex-ID
agm005239874
Elements
5
Sites
40
Space group
P2 (#3)
Crystal system
monoclinic
Volume
461.60
ų
Cell a
9.0980
Å
Cell b
5.3276
Å
Cell c
9.8751
Å
α angle
74.66
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SrCa3Mg4(SiO3)8
Sr
1.00 · 2.5%
Ca
3.00 · 7.5%
Mg
4.00 · 10.0%
Si
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0044
eV/atom
Formation energy
-3.3440
eV/atom
Corrected total energy
-310.2158
eV
Raw total energy
-293.3608
eV

Electronic Structure

Indirect band gap
4.9185
eV
Direct band gap
4.9185
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4D8E24_18_spg3

Decomposition

CaMg(SiO3)2 Mg2SiO4 SrMgSi3O8 Sr2MgSi2O7

Computed at

2024-10-07 01:08:25

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: agm005239874).

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 agm005239874
data_agm005239874
_cell_length_a     9.09797
_cell_length_b     5.32756
_cell_length_c     9.87513
_cell_angle_alpha  74.66058
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       461.59595
_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 0.80537 0.50000 0.50000 1.00000
  Ca1 Ca 0.29966 0.00000 0.00000 1.00000
  Ca2 Ca 0.20119 0.00000 0.50000 1.00000
  Ca3 Ca 0.70013 0.50000 0.00000 1.00000
  Mg1 Mg 0.40615 0.50000 0.50000 1.00000
  Mg2 Mg 0.90685 0.00000 0.00000 1.00000
  Mg3 Mg 0.58950 0.00000 0.50000 1.00000
  Mg4 Mg 0.09375 0.50000 0.00000 1.00000
  Si1 Si 0.09556 0.69051 0.28416 1.00000
  Si2 Si 0.59058 0.19427 0.78641 1.00000
  Si3 Si 0.09556 0.30949 0.71584 1.00000
  Si4 Si 0.59058 0.80573 0.21359 1.00000
  Si5 Si 0.90841 0.81169 0.71740 1.00000
  Si6 Si 0.40653 0.30472 0.21309 1.00000
  Si7 Si 0.90841 0.18831 0.28260 1.00000
  Si8 Si 0.40653 0.69528 0.78691 1.00000
  O1 O 0.24833 0.70331 0.36304 1.00000
  O2 O 0.74679 0.20857 0.86071 1.00000
  O3 O 0.24833 0.29669 0.63696 1.00000
  O4 O 0.74679 0.79143 0.13929 1.00000
  O5 O 0.75234 0.80931 0.64218 1.00000
  O6 O 0.25175 0.29234 0.13700 1.00000
  O7 O 0.75234 0.19069 0.35782 1.00000
  O8 O 0.25175 0.70766 0.86300 1.00000
  O9 O 0.08941 0.77621 0.11426 1.00000
  O10 O 0.58005 0.27485 0.61663 1.00000
  O11 O 0.08941 0.22379 0.88574 1.00000
  O12 O 0.58005 0.72515 0.38337 1.00000
  O13 O 0.91304 0.72476 0.88740 1.00000
  O14 O 0.41170 0.22234 0.38345 1.00000
  O15 O 0.91304 0.27524 0.11260 1.00000
  O16 O 0.41170 0.77766 0.61655 1.00000
  O17 O 0.01894 0.39254 0.34472 1.00000
  O18 O 0.51507 0.89800 0.85131 1.00000
  O19 O 0.01894 0.60746 0.65528 1.00000
  O20 O 0.51507 0.10200 0.14869 1.00000
  O21 O 0.98698 0.10529 0.65310 1.00000
  O22 O 0.48321 0.60072 0.14965 1.00000
  O23 O 0.98698 0.89471 0.34690 1.00000
  O24 O 0.48321 0.39928 0.85035 1.00000
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