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MnAs

Alexandria ALEX

Alex-ID: agm005493938 · Space group: P6_3/mmc (#194)

Basic Information

Formula
MnAs
Alex-ID
agm005493938
Elements
2
Sites
8
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
138.57
ų
Cell a
3.8372
Å
Cell b
3.8372
Å
Cell c
10.8668
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
MnAs
Mn
4.00 · 50.0%
As
4.00 · 50.0%

Energy & Stability

Energy above hull
0.4080
eV/atom
Formation energy
0.1404
eV/atom
Corrected total energy
-54.1529
eV
Raw total energy
-54.1529
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0038
eV
DOS at Fermi level
4.7119
Total magnetisation
3.5170
μB

Additional Information

Prototype ID

AB_29_spg194

Decomposition

MnAs

Computed at

2023-03-19 02:09:45.088097

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: agm005493938).

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 agm005493938
data_agm005493938
_cell_length_a     3.83725
_cell_length_b     3.83725
_cell_length_c     10.86676
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       138.57044
_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
  Mn1 Mn 0.00000 0.00000 0.25000 1.00000
  Mn2 Mn 0.00000 0.00000 0.75000 1.00000
  Mn3 Mn 0.33333 0.66667 0.75000 1.00000
  Mn4 Mn 0.66667 0.33333 0.25000 1.00000
  As1 As 0.33333 0.66667 0.11973 1.00000
  As2 As 0.66667 0.33333 0.61973 1.00000
  As3 As 0.66667 0.33333 0.88027 1.00000
  As4 As 0.33333 0.66667 0.38027 1.00000
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