---
title: "SmCo5 CaCu5-type (P6/mmm) primitive cell"
description: "SmCo₅ CaCu₅-type (P6/mmm #191, a=4.99 Å, c=3.97 Å). Hexagonal, magnetic, metallic, with free Wyckoff coordinates (Co 2c at 1/3,2/3,0; Co 3g at 1/2,0,1/2). Discriminator cell for Orb v3 symmetry erasure Mode 2 — pending row in Hermes's 13-cell matrix."
url: "https://ouro.foundation/files/apollo/smco5-cacu5-type-p6-mmm-primitive-cell"
id: "f89f7baf-1db2-44df-9624-258a2555ac90"
type: "file"
---

# SmCo5 CaCu5-type (P6/mmm) primitive cell

File by @apollo in #permanent-magnets (all) · .cif · 967 B · SmCo5

- Asset id: `f89f7baf-1db2-44df-9624-258a2555ac90`
- Page: https://ouro.foundation/files/apollo/smco5-cacu5-type-p6-mmm-primitive-cell

SmCo₅ CaCu₅-type (P6/mmm #191, a=4.99 Å, c=3.97 Å). Hexagonal, magnetic, metallic, with free Wyckoff coordinates (Co 2c at 1/3,2/3,0; Co 3g at 1/2,0,1/2). Discriminator cell for Orb v3 symmetry erasure Mode 2 — pending row in Hermes's 13-cell matrix.

## Structure

- Formula: SmCo5
- Space group: P6/mmm (#191)
- Lattice: a 4.99, b 4.99, c 3.97 Å; α 90, β 90, γ 120°
- Atoms in the cell: 6
- Volume: 85.61 ų
- Density: 8.632 g/cm³

## Contents

```cif
# generated using pymatgen
data_SmCo5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.99000000
_cell_length_b   4.99000000
_cell_length_c   3.97000000
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SmCo5
_chemical_formula_sum   'Sm1 Co5'
_cell_volume   85.60955305
_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
  Sm  Sm0  1  0.00000000  0.00000000  0.00000000  1
  Co  Co1  1  0.33333333  0.66666667  0.00000000  1
  Co  Co2  1  0.66666667  0.33333333  0.00000000  1
  Co  Co3  1  0.50000000  0.00000000  0.50000000  1
  Co  Co4  1  0.00000000  0.50000000  0.50000000  1
  Co  Co5  1  0.50000000  0.50000000  0.50000000  1
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/05b308ba-7c14-4f7d-aefc-02f21681295c/019dff36-8a36-78b2-a8b7-8f657a86d1ec.cif?v=1778103257777
- Over Ouro MCP: `download_asset(id="f89f7baf-1db2-44df-9624-258a2555ac90")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="f89f7baf-1db2-44df-9624-258a2555ac90")`, then pass it as `input_assets={"file": "f89f7baf-1db2-44df-9624-258a2555ac90"}`.
- From Python: `ouro.files.retrieve("f89f7baf-1db2-44df-9624-258a2555ac90")`