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Na2Mg2Cr(AsO4)3

Alexandria ALEX

Alex-ID: agm010375005 · Space group: P1 (#1)

Basic Information

Formula
Na2Mg2Cr(AsO4)3
Alex-ID
agm010375005
Elements
5
Sites
40
Space group
P1 (#1)
Crystal system
triclinic
Volume
486.13
ų
Cell a
6.7194
Å
Cell b
8.6635
Å
Cell c
9.1187
Å
α angle
92.63
°
β angle
107.25
°
γ angle
104.70
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Na2Mg2Cr(AsO4)3
Na
4.00 · 10.0%
Mg
4.00 · 10.0%
Cr
2.00 · 5.0%
As
6.00 · 15.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0119
eV/atom
Formation energy
-2.2303
eV/atom
Corrected total energy
-267.0091
eV
Raw total energy
-246.1281
eV

Electronic Structure

Indirect band gap
2.6705
eV
Direct band gap
2.6705
eV
DOS at Fermi level
0.0000
Total magnetisation
5.9435
μB

Additional Information

Prototype ID

AB2C2D3E12_48_spg1

Decomposition

Na2Mg2Cr(AsO4)3

Computed at

2024-08-24 23:56:21.071429

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: agm010375005).

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 agm010375005
data_agm010375005
_cell_length_a     6.71940
_cell_length_b     8.66354
_cell_length_c     9.11873
_cell_angle_alpha  92.62739
_cell_angle_beta   107.24996
_cell_angle_gamma  104.70097
_cell_volume       486.13094
_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 0.74386 0.00080 0.98804 1.00000
  Na2 Na 0.24925 0.98486 0.02775 1.00000
  Na3 Na 0.74774 0.73364 0.26694 1.00000
  Na4 Na 0.51411 0.49694 0.48733 1.00000
  Mg1 Mg 0.35978 0.93693 0.61735 1.00000
  Mg2 Mg 0.13722 0.37169 0.05743 1.00000
  Mg3 Mg 0.24653 0.26276 0.73897 1.00000
  Mg4 Mg 0.00772 0.50333 0.49577 1.00000
  Cr1 Cr 0.63008 0.06133 0.38543 1.00000
  Cr2 Cr 0.86842 0.62258 0.94307 1.00000
  As1 As 0.35493 0.64978 0.86306 1.00000
  As2 As 0.12052 0.13965 0.34922 1.00000
  As3 As 0.64032 0.34375 0.12870 1.00000
  As4 As 0.88434 0.86994 0.65866 1.00000
  As5 As 0.75036 0.28994 0.71832 1.00000
  As6 As 0.24787 0.71278 0.27821 1.00000
  O1 O 0.38529 0.84238 0.82203 1.00000
  O2 O 0.09433 0.16512 0.15994 1.00000
  O3 O 0.61333 0.14896 0.17465 1.00000
  O4 O 0.89450 0.83426 0.84723 1.00000
  O5 O 0.60428 0.65026 0.98773 1.00000
  O6 O 0.88754 0.00436 0.35604 1.00000
  O7 O 0.38969 0.32639 0.99570 1.00000
  O8 O 0.11851 0.01616 0.67346 1.00000
  O9 O 0.51916 0.17169 0.74329 1.00000
  O10 O 0.98040 0.24833 0.83052 1.00000
  O11 O 0.46803 0.85129 0.25253 1.00000
  O12 O 0.02293 0.75471 0.15245 1.00000
  O13 O 0.25749 0.50553 0.70359 1.00000
  O14 O 0.17546 0.30848 0.47696 1.00000
  O15 O 0.73472 0.47171 0.29712 1.00000
  O16 O 0.85047 0.69965 0.54336 1.00000
  O17 O 0.76265 0.28006 0.52893 1.00000
  O18 O 0.73279 0.48495 0.74130 1.00000
  O19 O 0.22296 0.71973 0.46182 1.00000
  O20 O 0.28445 0.52741 0.25342 1.00000
  O21 O 0.16636 0.59860 0.95972 1.00000
  O22 O 0.33388 0.05421 0.41547 1.00000
  O23 O 0.83262 0.40477 0.03444 1.00000
  O24 O 0.66514 0.95028 0.58406 1.00000
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