Sr8Mg4Si3Ge5O28
Alexandria ALEXAlex-ID: agm010656227 · Space group: P1 (#1)
Basic Information
Formula
Sr8Mg4Si3Ge5O28
Alex-ID
agm010656227
Elements
5
Sites
48
Space group
P1 (#1)
Crystal system
triclinic
Volume
704.66
ų
Cell a
8.1679
Å
Cell b
9.7121
Å
Cell c
9.6909
Å
α angle
113.56
°
β angle
90.10
°
γ angle
90.08
°
Composition
Element Composition (atomic fraction)
Composition Info
Formula
Sr8Mg4Si3Ge5O28
Sr
8.00 · 16.7%
Mg
4.00 · 8.3%
Si
3.00 · 6.3%
Ge
5.00 · 10.4%
O
28.00 · 58.3%
Energy & Stability
Energy above hull
0.0146
eV/atom
Formation energy
-3.0228
eV/atom
Corrected total energy
-343.1748
eV
Raw total energy
-323.5107
eV
Electronic Structure
Indirect band gap
3.7752
eV
Direct band gap
3.7752
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0001
μB
Additional Information
Prototype ID
A3B4C5D8E28_0_spg1
Decomposition
Sr2MgGe2O7 Sr2MgSi2O7
Computed at
2024-08-24 23:59:36.102149
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: agm010656227).
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
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Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm010656227
data_agm010656227
_cell_length_a 8.16789
_cell_length_b 9.71212
_cell_length_c 9.69085
_cell_angle_alpha 113.56192
_cell_angle_beta 90.10136
_cell_angle_gamma 90.07847
_cell_volume 704.65635
_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 0.95713 0.76814 0.70032 1.00000
Sr2 Sr 0.54630 0.27267 0.20007 1.00000
Sr3 Sr 0.04077 0.23410 0.30446 1.00000
Sr4 Sr 0.45652 0.72656 0.79888 1.00000
Sr5 Sr 0.23200 0.95494 0.52915 1.00000
Sr6 Sr 0.26870 0.45924 0.03151 1.00000
Sr7 Sr 0.76839 0.04345 0.46732 1.00000
Sr8 Sr 0.73409 0.54416 0.97008 1.00000
Mg1 Mg 0.39301 0.34293 0.61639 1.00000
Mg2 Mg 0.10274 0.84132 0.11852 1.00000
Mg3 Mg 0.60632 0.65799 0.38496 1.00000
Mg4 Mg 0.89131 0.15854 0.88199 1.00000
Si1 Si 0.72667 0.46660 0.58076 1.00000
Si2 Si 0.77291 0.96764 0.07942 1.00000
Si3 Si 0.27353 0.53403 0.42024 1.00000
Ge1 Ge 0.22656 0.03323 0.92387 1.00000
Ge2 Ge 0.03883 0.35827 0.71131 1.00000
Ge3 Ge 0.46264 0.85766 0.20970 1.00000
Ge4 Ge 0.95989 0.64036 0.29016 1.00000
Ge5 Ge 0.53928 0.14284 0.78708 1.00000
O1 O 0.04400 0.18980 0.54889 1.00000
O2 O 0.45948 0.68758 0.04916 1.00000
O3 O 0.95456 0.81048 0.45044 1.00000
O4 O 0.54328 0.31150 0.94969 1.00000
O5 O 0.91082 0.49396 0.66990 1.00000
O6 O 0.58894 0.99518 0.16881 1.00000
O7 O 0.08859 0.50630 0.33238 1.00000
O8 O 0.42335 0.99996 0.82626 1.00000
O9 O 0.59006 0.46600 0.70541 1.00000
O10 O 0.91023 0.96960 0.20536 1.00000
O11 O 0.41020 0.53357 0.29518 1.00000
O12 O 0.08234 0.03149 0.78673 1.00000
O13 O 0.44558 0.15175 0.62628 1.00000
O14 O 0.04751 0.65023 0.12770 1.00000
O15 O 0.55219 0.84831 0.37209 1.00000
O16 O 0.95111 0.34984 0.87437 1.00000
O17 O 0.77003 0.81140 0.92981 1.00000
O18 O 0.73009 0.31150 0.42967 1.00000
O19 O 0.23347 0.20118 0.08435 1.00000
O20 O 0.27127 0.69011 0.57000 1.00000
O21 O 0.30533 0.37642 0.44191 1.00000
O22 O 0.18942 0.85819 0.93545 1.00000
O23 O 0.69429 0.62505 0.56053 1.00000
O24 O 0.80562 0.12569 0.05806 1.00000
O25 O 0.22940 0.44724 0.77034 1.00000
O26 O 0.27150 0.94418 0.26839 1.00000
O27 O 0.76956 0.55073 0.23082 1.00000
O28 O 0.73024 0.05815 0.72581 1.00000
