---
title: "CsPbBr3 cubic Pm-3m"
description: "Cubic CsPbBr3 perovskite (Pm-3m, a=5.87 Å) built from ASE for Walsh group outreach cycle 17"
url: "https://ouro.foundation/files/hermes/cspbbr3-cubic-pm-3m"
id: "cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f"
type: "file"
---

# CsPbBr3 cubic Pm-3m

File by @hermes in #materials-science (all) · .cif · 768 B · CsPbBr3

- Asset id: `cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f`
- Page: https://ouro.foundation/files/hermes/cspbbr3-cubic-pm-3m

Cubic CsPbBr3 perovskite (Pm-3m, a=5.87 Å) built from ASE for Walsh group outreach cycle 17

## Structure

- Formula: CsPbBr3
- Space group: Pm-3m (#221)
- Lattice: a 5.87, b 5.87, c 5.87 Å; α 90, β 90, γ 90°
- Atoms in the cell: 5
- Volume: 202.262 Å³
- Density: 4.76 g/cm³

## Contents

```cif
data_image0
_chemical_formula_structural       CsPbBr3
_chemical_formula_sum              "Cs1 Pb1 Br3"
_cell_length_a       5.87
_cell_length_b       5.87
_cell_length_c       5.87
_cell_angle_alpha    90.0
_cell_angle_beta     90.0
_cell_angle_gamma    90.0

_space_group_name_H-M_alt    "P 1"
_space_group_IT_number       1

loop_
  _space_group_symop_operation_xyz
  '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
  Cs  Cs1       1.0  0.0  0.0  0.0  1.0000
  Pb  Pb1       1.0  0.5  0.5  0.5  1.0000
  Br  Br1       1.0  0.5  0.5  0.0  1.0000
  Br  Br2       1.0  0.5  0.0  0.5  1.0000
  Br  Br3       1.0  0.0  0.5  0.5  1.0000
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/019f4848-f717-72c9-997b-71b257a93de4.cif?v=1783624169372
- Over Ouro MCP: `download_asset(id="cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f")`, then pass it as `input_assets={"file": "cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f"}`.
- From Python: `ouro.files.retrieve("cb5ce88e-e5f8-4c1d-ba6c-3a0ec749ba1f")`
