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Na2Mg(GeO3)2

Alexandria ALEX

Alex-ID: agm010700937 · Space group: Fdd2 (#43)

Basic Information

Formula
Na2Mg(GeO3)2
Alex-ID
agm010700937
Elements
4
Sites
22
Space group
Fdd2 (#43)
Crystal system
orthorhombic
Volume
323.71
ų
Cell a
11.6658
Å
Cell b
11.5923
Å
Cell c
5.4354
Å
α angle
77.24
°
β angle
75.73
°
γ angle
27.03
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Mg(GeO3)2
Na
4.00 · 18.2%
Mg
2.00 · 9.1%
Ge
4.00 · 18.2%
O
12.00 · 54.5%

Energy & Stability

Energy above hull
0.0014
eV/atom
Formation energy
-2.3329
eV/atom
Corrected total energy
-137.7569
eV
Raw total energy
-129.3294
eV

Electronic Structure

Indirect band gap
3.1609
eV
Direct band gap
3.1775
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D6_65_spg43

Decomposition

MgGeO3 Na2GeO3

Computed at

2024-05-10 10:49:14.463563

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: agm010700937).

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 agm010700937
data_agm010700937
_cell_length_a     11.66577
_cell_length_b     11.59235
_cell_length_c     5.43537
_cell_angle_alpha  77.23887
_cell_angle_beta   75.73375
_cell_angle_gamma  27.02738
_cell_volume       323.71429
_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
  Na1 Na 0.17057 0.66718 0.86558 1.00000
  Na2 Na 0.86558 0.29667 0.17057 1.00000
  Na3 Na 0.58282 0.07943 0.95333 1.00000
  Na4 Na 0.95333 0.38442 0.58282 1.00000
  Mg1 Mg 0.74670 0.25330 0.74670 1.00000
  Mg2 Mg 0.99670 0.50330 0.99670 1.00000
  Ge1 Ge 0.59941 0.23987 0.33633 1.00000
  Ge2 Ge 0.33633 0.82439 0.59941 1.00000
  Ge3 Ge 0.01013 0.65059 0.42561 1.00000
  Ge4 Ge 0.42561 0.91367 0.01013 1.00000
  O1 O 0.65480 0.32164 0.11038 1.00000
  O2 O 0.11038 0.91318 0.65480 1.00000
  O3 O 0.92836 0.59520 0.33682 1.00000
  O4 O 0.33682 0.13962 0.92836 1.00000
  O5 O 0.83785 0.92524 0.24803 1.00000
  O6 O 0.24803 0.98888 0.83785 1.00000
  O7 O 0.32476 0.41215 0.26112 1.00000
  O8 O 0.26112 0.00197 0.32476 1.00000
  O9 O 0.57774 0.26981 0.65322 1.00000
  O10 O 0.65322 0.49924 0.57774 1.00000
  O11 O 0.98019 0.67226 0.75076 1.00000
  O12 O 0.75076 0.59678 0.98019 1.00000
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