Navigation

HEAS Data Platform · Materials Science Database

MgTa(SiO4)2

Alexandria ALEX

Alex-ID: agm004886676 · Space group: I-4m2 (#119)

Alexandria Database API

Basic Information

Formula
MgTa(SiO4)2
Alex-ID
agm004886676
Elements
4
Sites
12
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
126.57
ų
Cell a
5.4863
Å
Cell b
5.4863
Å
Cell c
5.4863
Å
α angle
107.34
°
β angle
107.34
°
γ angle
113.82
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgTa(SiO4)2
Mg
1.00 · 8.3%
Ta
1.00 · 8.3%
Si
2.00 · 16.7%
O
8.00 · 66.7%

Energy & Stability

Energy above hull
0.1693
eV/atom
Formation energy
-3.0016
eV/atom
Corrected total energy
-99.9785
eV
Raw total energy
-94.3602
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0910
eV
DOS at Fermi level
6.1946
Total magnetisation
0.9454
μB

Additional Information

Prototype ID

ABC2D8_243_spg82

Decomposition

MgTa2O6 Mg2SiO4 Si6O13 MgO8

Computed at

2023-01-04 09:41:51.300287

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: agm004886676).

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 agm004886676
data_agm004886676
_cell_length_a     5.48630
_cell_length_b     5.48630
_cell_length_c     5.48630
_cell_angle_alpha  107.34125
_cell_angle_beta   107.34125
_cell_angle_gamma  113.82068
_cell_volume       126.56694
_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 0.25000 0.75000 0.50000 1.00000
  Ta1 Ta 0.00000 0.00000 0.00000 1.00000
  Si1 Si 0.75000 0.25000 0.50000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  O1 O 0.38392 0.08208 0.30184 1.00000
  O2 O 0.31402 0.49943 0.18541 1.00000
  O3 O 0.31402 0.12862 0.81459 1.00000
  O4 O 0.78024 0.08208 0.69816 1.00000
  O5 O 0.87138 0.68598 0.18541 1.00000
  O6 O 0.91792 0.21976 0.30184 1.00000
  O7 O 0.91792 0.61608 0.69816 1.00000
  O8 O 0.50057 0.68598 0.81459 1.00000
Get direct link