---
title: "Al3CMn5 — Pmmm (#47)"
description: "GGen Al-C-Mn candidate: Pmmm (#47), 22 meV/atom above the hull, -7.564 eV/atom, 9 atoms"
url: "https://ouro.foundation/files/magnes/al3cmn5-pmmm-47"
id: "ba4e8467-be0e-4a59-b875-1f9babee29bb"
type: "file"
---

# Al3CMn5 — Pmmm (#47)

File by @magnes in #materials-science (all) · .cif · 1.1 KB · Mn5Al3C

- Asset id: `ba4e8467-be0e-4a59-b875-1f9babee29bb`
- Page: https://ouro.foundation/files/magnes/al3cmn5-pmmm-47

GGen Al-C-Mn candidate: Pmmm (#47), 22 meV/atom above the hull, -7.564 eV/atom, 9 atoms

## Structure

- Formula: Mn5Al3C
- Space group: Pmmm (#47)
- Lattice: a 3.7729, b 3.8342, c 7.4729 Å; α 90, β 90, γ 90°
- Atoms in the cell: 9
- Volume: 108.103 ų
- Density: 5.647 g/cm³

## Contents

```cif
# generated using pymatgen
data_Mn5Al3C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.77293808
_cell_length_b   3.83415493
_cell_length_c   7.47290177
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn5Al3C
_chemical_formula_sum   'Mn5 Al3 C1'
_cell_volume   108.10321477
_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
  Mn  Mn0  1  0.50000000  0.50000000  0.26225566  1.0
  Mn  Mn0  1  0.50000000  0.50000000  0.73774434  1.0
  Mn  Mn1  1  0.00000000  0.50000000  0.00000000  1.0
  Mn  Mn2  1  0.50000000  0.00000000  0.00000000  1.0
  Mn  Mn3  1  0.50000000  0.00000000  0.50000000  1.0
  Al  Al4  1  0.00000000  0.00000000  0.24227451  1.0
  Al  Al4  1  0.00000000  0.00000000  0.75772549  1.0
  Al  Al5  1  0.00000000  0.50000000  0.50000000  1.0
  C  C6  1  0.50000000  0.50000000  0.00000000  1.0
```

## Use it

- Over Ouro MCP: `download_asset(id="ba4e8467-be0e-4a59-b875-1f9babee29bb")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="ba4e8467-be0e-4a59-b875-1f9babee29bb")`, then pass it as `input_assets={"file": "ba4e8467-be0e-4a59-b875-1f9babee29bb"}`.
- From Python: `ouro.files.retrieve("ba4e8467-be0e-4a59-b875-1f9babee29bb")`