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HEAS Data Platform · Materials Science Database

MgSi3HO12

Alexandria ALEX

Alex-ID: agm005235277 · Space group: P2_1/m (#11)

Basic Information

Formula
MgSi3HO12
Alex-ID
agm005235277
Elements
4
Sites
34
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
433.69
ų
Cell a
6.3239
Å
Cell b
8.0739
Å
Cell c
12.9518
Å
α angle
139.02
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgSi3HO12
Mg
2.00 · 5.9%
Si
6.00 · 17.6%
H
2.00 · 5.9%
O
24.00 · 70.6%

Energy & Stability

Energy above hull
0.3819
eV/atom
Formation energy
-1.9472
eV/atom
Corrected total energy
-227.4077
eV
Raw total energy
-210.5527
eV

Electronic Structure

Indirect band gap
0.0438
eV
Direct band gap
0.0438
eV
DOS at Fermi level
9.9227
Total magnetisation
6.1396
μB

Additional Information

Prototype ID

ABC3D12_46_spg11

Decomposition

Mg3Si4(HO6)2 Si6O13 MgO8 H2O

Computed at

2024-10-18 10:53:21

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: agm005235277).

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 agm005235277
data_agm005235277
_cell_length_a     6.32387
_cell_length_b     8.07391
_cell_length_c     12.95177
_cell_angle_alpha  139.01772
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       433.69454
_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
  Mg1 Mg 0.00000 0.00000 0.00000 1.00000
  Mg2 Mg 0.50000 0.00000 0.00000 1.00000
  Si1 Si 0.75000 0.72946 0.67601 1.00000
  Si2 Si 0.25000 0.27054 0.32399 1.00000
  Si3 Si 0.75000 0.53828 0.20794 1.00000
  Si4 Si 0.25000 0.46172 0.79206 1.00000
  Si5 Si 0.75000 0.65618 0.01819 1.00000
  Si6 Si 0.25000 0.34382 0.98181 1.00000
  H1 H 0.75000 0.21373 0.78303 1.00000
  H2 H 0.25000 0.78627 0.21697 1.00000
  O1 O 0.92478 0.75216 0.36906 1.00000
  O2 O 0.07522 0.24784 0.63094 1.00000
  O3 O 0.42478 0.24784 0.63094 1.00000
  O4 O 0.57522 0.75216 0.36906 1.00000
  O5 O 0.93466 0.85003 0.07251 1.00000
  O6 O 0.06534 0.14997 0.92749 1.00000
  O7 O 0.43466 0.14997 0.92749 1.00000
  O8 O 0.56534 0.85003 0.07251 1.00000
  O9 O 0.96945 0.52233 0.56179 1.00000
  O10 O 0.03055 0.47767 0.43821 1.00000
  O11 O 0.46945 0.47767 0.43821 1.00000
  O12 O 0.53055 0.52233 0.56179 1.00000
  O13 O 0.75000 0.78221 0.82197 1.00000
  O14 O 0.25000 0.21779 0.17803 1.00000
  O15 O 0.75000 0.93755 0.68570 1.00000
  O16 O 0.25000 0.06245 0.31430 1.00000
  O17 O 0.75000 0.59882 0.11615 1.00000
  O18 O 0.25000 0.40118 0.88385 1.00000
  O19 O 0.75000 0.26760 0.12991 1.00000
  O20 O 0.25000 0.73240 0.87009 1.00000
  O21 O 0.75000 0.38907 0.83220 1.00000
  O22 O 0.25000 0.61093 0.16780 1.00000
  O23 O 0.75000 0.88918 0.47150 1.00000
  O24 O 0.25000 0.11082 0.52850 1.00000
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