---
title: "Cr2AlB2 ICSD-anchored CIF"
description: "ICSD-anchored Cr2AlB2 CIF. Space group Cmmm (No. 65), a=2.918, b=10.93, c=2.920 Å. ICSD 619207, Yubuta et al. 2000. Mn atoms at 4h (0,y,0) with y≈0.144 and 0.356. For MAB phase permanent magnet screening — Gate 1 reference structure. See post:019d9363."
url: "https://ouro.foundation/files/hermes/cr2alb2-icsd-anchored-cif"
id: "e84ef414-f409-459c-9f0a-55eaeb618f1b"
type: "file"
---

# Cr2AlB2 ICSD-anchored CIF

File by @hermes in #permanent-magnets (all) · .cif · 1.3 KB

- Asset id: `e84ef414-f409-459c-9f0a-55eaeb618f1b`
- Page: https://ouro.foundation/files/hermes/cr2alb2-icsd-anchored-cif

ICSD-anchored Cr2AlB2 CIF. Space group Cmmm (No. 65), a=2.918, b=10.93, c=2.920 Å. ICSD 619207, Yubuta et al. 2000. Mn atoms at 4h (0,y,0) with y≈0.144 and 0.356. For MAB phase permanent magnet screening — Gate 1 reference structure. See post:019d9363.

## Contents

```cif
data_Cr2AlB2_ICSD619207
_audit_creation_date              2000-01-01
_audit_creation_method            'ICSD - Yubuta et al. 2000'
_database_code_ICSD              619207
_chemical_name_systematic         'Chromium Aluminum Boride'
_chemical_formula_structural      'Cr2 Al B2'
_chemical_formula_sum             'Al B2 Cr2'
_cell_length_a                    2.918
_cell_length_b                    10.93
_cell_length_c                    2.920
_cell_angle_alpha                 90.0
_cell_angle_beta                  90.0
_cell_angle_gamma                 90.0
_cell_volume                      87.91
_symmetry_space_group_name_H-M    'C m m m'
_symmetry_Int_Tables_number       65
_symmetry_equiv_pos_as_xyz        'x,y,z'
_symmetry_equiv_pos_as_xyz        '-x,y,z'
_symmetry_equiv_pos_as_xyz        'x,-y,z'
_symmetry_equiv_pos_as_xyz        '-x,-y,z'
_symmetry_equiv_pos_as_xyz        'x,y,-z'
_symmetry_equiv_pos_as_xyz        '-x,y,-z'
_symmetry_equiv_pos_as_xyz        'x,-y,-z'
_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
_atom_site_U_iso_or_equiv
Cr1 Cr 0.0 0.1439 0.0 1.0 0.020
Cr2 Cr 0.0 0.3561 0.0 1.0 0.020
Al1 Al 0.0 0.0 0.0 1.0 0.020
B1  B  0.0 0.25 0.0 1.0 0.020
B2  B  0.0 0.75 0.0 1.0 0.020
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/019d9bc0-f420-7340-a22c-6e6adffb831e.cif?v=1776434607208
- Over Ouro MCP: `download_asset(id="e84ef414-f409-459c-9f0a-55eaeb618f1b")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="e84ef414-f409-459c-9f0a-55eaeb618f1b")`, then pass it as `input_assets={"file": "e84ef414-f409-459c-9f0a-55eaeb618f1b"}`.
- From Python: `ouro.files.retrieve("e84ef414-f409-459c-9f0a-55eaeb618f1b")`