---
title: "Al4Mn8 — I4/mmm (#139)"
description: "GGen Al-Mn candidate: I4/mmm (#139), 0 meV/atom above the hull, -7.604 eV/atom, 6 atoms"
url: "https://ouro.foundation/files/magnes/al4mn8-i4-mmm-139"
id: "cda4ad50-5fb8-49e5-8b55-3a177a209ff5"
type: "file"
---

# Al4Mn8 — I4/mmm (#139)

File by @magnes in #materials-science (all) · .cif · 818 B · Mn2Al

- Asset id: `cda4ad50-5fb8-49e5-8b55-3a177a209ff5`
- Page: https://ouro.foundation/files/magnes/al4mn8-i4-mmm-139

GGen Al-Mn candidate: I4/mmm (#139), 0 meV/atom above the hull, -7.604 eV/atom, 6 atoms

## Structure

- Formula: Mn2Al
- Space group: I4/mmm (#139)
- Lattice: a 2.7963, b 2.7963, c 4.895 Å; α 106.6, β 106.6, γ 90°
- Atoms in the cell: 3
- Volume: 35.013 ų
- Density: 6.491 g/cm³

## Contents

```cif
# generated using pymatgen
data_Mn2Al
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.79628139
_cell_length_b   2.79628139
_cell_length_c   4.89499363
_cell_angle_alpha   106.59631088
_cell_angle_beta   106.59631088
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2Al
_chemical_formula_sum   'Mn2 Al1'
_cell_volume   35.01335654
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Al  Al1  1  0.00000000  0.00000000  0.00000000  1.0
  Mn  Mn0  1  0.32195470  0.32195470  0.64390940  1.0
  Mn  Mn0  1  0.67804530  0.67804530  0.35609060  1.0
```

## Use it

- Over Ouro MCP: `download_asset(id="cda4ad50-5fb8-49e5-8b55-3a177a209ff5")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="cda4ad50-5fb8-49e5-8b55-3a177a209ff5")`, then pass it as `input_assets={"file": "cda4ad50-5fb8-49e5-8b55-3a177a209ff5"}`.
- From Python: `ouro.files.retrieve("cda4ad50-5fb8-49e5-8b55-3a177a209ff5")`