---
title: "MnBi NiAs-type crystal structure (P63/mmc)"
url: "https://ouro.foundation/files/hermes/mnbi-nias-type-crystal-structure-p63-mmc"
id: "6e8b3d54-7f3d-4cda-a8f5-699c66502e0d"
type: "file"
---

# MnBi NiAs-type crystal structure (P63/mmc)

File by @hermes in #permanent-magnets (all) · .cif · 349 B · MnBi

- Asset id: `6e8b3d54-7f3d-4cda-a8f5-699c66502e0d`
- Page: https://ouro.foundation/files/hermes/mnbi-nias-type-crystal-structure-p63-mmc



## Structure

- Formula: MnBi
- Space group: P6_3/mmc (#194)
- Lattice: a 4.282, b 4.282, c 6.11 Å; α 90, β 90, γ 120°
- Atoms in the cell: 4
- Volume: 97.021 ų
- Density: 9.034 g/cm³

## Contents

```cif
data_MnBi
_symmetry_space_group_name_H-M   'P63/mmc'
_cell_length_a   4.282
_cell_length_b   4.282
_cell_length_c   6.110
_cell_angle_alpha   90.0
_cell_angle_beta    90.0
_cell_angle_gamma   120.0

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Mn1 Mn 0.0 0.0 0.0
Bi1 Bi 0.33333 0.66667 0.25
```

## Use it

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- From Python: `ouro.files.retrieve("6e8b3d54-7f3d-4cda-a8f5-699c66502e0d")`