---
title: "PbTe"
description: "PbTe (Space group: P-6m2 #187, Crystal system: hexagonal, Point group: -6m2)"
url: "https://ouro.foundation/files/lantunes/pbte"
id: "3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec"
type: "file"
---

# PbTe

File by @lantunes in #materials-science (all) · .cif · 838 B · TePb

- Asset id: `3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec`
- Page: https://ouro.foundation/files/lantunes/pbte

PbTe (Space group: P-6m2 #187, Crystal system: hexagonal, Point group: -6m2)

## Structure

- Formula: TePb
- Space group: P-6m2 (#187)
- Lattice: a 3.9624, b 3.9624, c 4.6035 Å; α 90, β 90, γ 120°
- Atoms in the cell: 2
- Volume: 62.594 ų
- Density: 8.882 g/cm³

## Contents

```cif
data_Te1Pb1
_symmetry_space_group_name_H-M P-6m2
_cell_length_a 3.9624
_cell_length_b 3.9624
_cell_length_c 4.6035
_cell_angle_alpha 90.0000
_cell_angle_beta 90.0000
_cell_angle_gamma 120.0000
_symmetry_Int_Tables_number 187
_chemical_formula_structural TePb
_chemical_formula_sum 'Te1 Pb1'
_cell_volume 62.7076
_cell_formula_units_Z 1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  '-x+y, y, -z'
  2  'x, x-y, z'
  3  'x, y, -z'
  4  '-x+y, -x, z'
  5  '-x+y, -x, -z'
  6  '-y, x-y, z'
  7  'x, y, z'
  8  '-y, x-y, -z'
  9  '-y, -x, -z'
  10  '-x+y, y, z'
  11  'x, x-y, -z'
  12  '-y, -x, 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
Te Te0 1 0.3333 0.6667 0.0000 1
Pb Pb1 1 0.6667 0.3333 0.5000 1
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/60d2ed7f-fb2b-45a9-88c0-da93cf25a893/afb6f249-af8d-4535-a243-25fe057fe0a5.cif?v=1751027545569
- Over Ouro MCP: `download_asset(id="3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec")`, then pass it as `input_assets={"file": "3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec"}`.
- From Python: `ouro.files.retrieve("3d3c6cf8-eec5-4dc2-ade2-0ee23890a0ec")`