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MgU2As3

Alexandria ALEX

Alex-ID: agm017474135 · Space group: Pnma (#62)

Basic Information

Formula
MgU2As3
Alex-ID
agm017474135
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
564.20
ų
Cell a
5.7369
Å
Cell b
8.0686
Å
Cell c
12.1888
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MgU2As3
Mg
4.00 · 16.7%
U
8.00 · 33.3%
As
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0875
eV/atom
Formation energy
-0.6247
eV/atom
Corrected total energy
-167.4721
eV
Raw total energy
-167.4720
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0036
eV
DOS at Fermi level
49.1345
Total magnetisation
18.7487
μB

Additional Information

Prototype ID

AB2C3_5009_spg14

Decomposition

UAs Mg3As2 U3As4

Computed at

2025-04-14 04:02:53

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: agm017474135).

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 agm017474135
data_agm017474135
_cell_length_a     5.73687
_cell_length_b     8.06858
_cell_length_c     12.18880
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       564.20052
_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 0.75000 0.37448 0.58294 1.00000
  Mg2 Mg 0.75000 0.87448 0.91706 1.00000
  Mg3 Mg 0.25000 0.12552 0.08294 1.00000
  Mg4 Mg 0.25000 0.62552 0.41706 1.00000
  U1 U 0.75000 0.37157 0.24992 1.00000
  U2 U 0.75000 0.87157 0.25008 1.00000
  U3 U 0.75000 0.37057 0.91722 1.00000
  U4 U 0.75000 0.87057 0.58278 1.00000
  U5 U 0.25000 0.12943 0.41722 1.00000
  U6 U 0.25000 0.62943 0.08278 1.00000
  U7 U 0.25000 0.12843 0.74992 1.00000
  U8 U 0.25000 0.62843 0.75008 1.00000
  As1 As 0.75000 0.11985 0.08220 1.00000
  As2 As 0.75000 0.61985 0.41780 1.00000
  As3 As 0.75000 0.12460 0.41802 1.00000
  As4 As 0.75000 0.62460 0.08198 1.00000
  As5 As 0.75000 0.12245 0.74974 1.00000
  As6 As 0.75000 0.62245 0.75026 1.00000
  As7 As 0.25000 0.37755 0.24974 1.00000
  As8 As 0.25000 0.87755 0.25026 1.00000
  As9 As 0.25000 0.37540 0.91802 1.00000
  As10 As 0.25000 0.87540 0.58198 1.00000
  As11 As 0.25000 0.38015 0.58220 1.00000
  As12 As 0.25000 0.88015 0.91780 1.00000
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