---
title: "Al4CMn5 — C2/m (#12)"
description: "GGen Al-C-Mn candidate: C2/m (#12), 36 meV/atom above the hull, -7.198 eV/atom, 20 atoms"
url: "https://ouro.foundation/files/magnes/al4cmn5-c2-m-12"
id: "7da1562a-8d6e-45c3-b440-ccd232a55700"
type: "file"
---

# Al4CMn5 — C2/m (#12)

File by @magnes in #materials-science (all) · .cif · 1.2 KB · Mn5Al4C

- Asset id: `7da1562a-8d6e-45c3-b440-ccd232a55700`
- Page: https://ouro.foundation/files/magnes/al4cmn5-c2-m-12

GGen Al-C-Mn candidate: C2/m (#12), 36 meV/atom above the hull, -7.198 eV/atom, 20 atoms

## Structure

- Formula: Mn5Al4C
- Space group: C2/m (#12)
- Lattice: a 2.7384, b 6.6444, c 6.9811 Å; α 84.47, β 78.69, γ 78.11°
- Atoms in the cell: 10
- Volume: 121.67 ų
- Density: 5.386 g/cm³

## Contents

```cif
# generated using pymatgen
data_Mn5Al4C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.73835316
_cell_length_b   6.64435655
_cell_length_c   6.98106142
_cell_angle_alpha   84.46833294
_cell_angle_beta   78.68941639
_cell_angle_gamma   78.10808589
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn5Al4C
_chemical_formula_sum   'Mn5 Al4 C1'
_cell_volume   121.67001018
_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  Al3  1  0.65808650  0.01166050  0.67216650  1.0
  Al  Al3  1  0.34191350  0.98833950  0.32783350  1.0
  Al  Al4  1  0.69789159  0.67443705  0.92977977  1.0
  Al  Al4  1  0.30210841  0.32556295  0.07022023  1.0
  C  C5  1  0.00000000  0.50000000  0.50000000  1.0
  Mn  Mn0  1  0.04053375  0.66546131  0.25347119  1.0
  Mn  Mn0  1  0.95946625  0.33453869  0.74652881  1.0
  Mn  Mn1  1  0.63803626  0.32314907  0.40077841  1.0
  Mn  Mn1  1  0.36196374  0.67685093  0.59922159  1.0
  Mn  Mn2  1  0.00000000  0.00000000  0.00000000  1.0
```

## Use it

- Over Ouro MCP: `download_asset(id="7da1562a-8d6e-45c3-b440-ccd232a55700")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="7da1562a-8d6e-45c3-b440-ccd232a55700")`, then pass it as `input_assets={"file": "7da1562a-8d6e-45c3-b440-ccd232a55700"}`.
- From Python: `ouro.files.retrieve("7da1562a-8d6e-45c3-b440-ccd232a55700")`