BiF5

Bismuth pentafluoride · Bismuth(V) fluoride

Bismuth pentafluoride is a highly reactive inorganic compound that serves as a powerful fluorinating agent. It is primarily utilized in chemical synthesis and research settings to introduce fluorine atoms into various organic and inorganic substrates.

BiF
Crystal structure of BiF5 (tetragonal, I4/m (No. 87))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Bismuth pentafluoride, aggregated across 4 databases.

Band Gap

0.40–2.44 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

56
4 databases, 14 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of BiF5. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for BiF5, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
I4/m (No. 87)tetragonal1.810.0000-14.2275.77
P-1 (No. 2)triclinic1.760.0059-14.2214.47
P21/c (No. 14)monoclinic1.870.0148-14.2125.19
P21/c (No. 14)monoclinic2.440.0148-14.2125.19
Cmcm (No. 63)orthorhombic0.400.1267-14.1005.10
Immm (No. 71)orthorhombic0.000.1903-14.0365.86
P-1 (No. 2)triclinic0.000.8648-13.3624.47
P-1 (No. 2)Triclinic4.59
I4/m (No. 87)Tetragonal4.99
Immm (No. 71)Orthorhombic6.25
Cmcm (No. 63)
Cmcm (No. 63)
Uses

Applications

Where Bismuth pentafluoride is used.

Fluorinating agentChemical synthesisLaboratory reagent
Reference

Frequently Asked Questions

Common questions about Bismuth pentafluoride, answered from cross-validated data.

What is BiF5?

Bismuth pentafluoride is a highly reactive inorganic compound that serves as a powerful fluorinating agent. It is primarily utilized in chemical synthesis and research settings to introduce fluorine atoms into various organic and inorganic substrates.

More questions
What is BiF5 used for?
Bismuth pentafluoride (BiF5) is used in fluorinating agent, chemical synthesis, and laboratory reagent.
What is the band gap of BiF5?
Bismuth pentafluoride (BiF5) has a DFT-computed band gap of 0.40–2.44 eV across 56 reported structures.
Is BiF5 a metal, semiconductor, or insulator?
With a band gap up to 2.44 eV it is a semiconductor.
Is BiF5 thermodynamically stable?
Yes — Bismuth pentafluoride (BiF5) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of BiF5?
The lowest-energy reported polymorph of Bismuth pentafluoride (BiF5) is tetragonal symmetry, space group I4/m (No. 87).
What is the density of BiF5?
The computed density of the ground-state structure of Bismuth pentafluoride (BiF5) is 5.77 g/cm³.
How many polymorphs of BiF5 are known?
56 structures of BiF5 are reported across 4 databases, spanning 14 distinct space groups.
What elements does BiF5 contain?
Bismuth pentafluoride (BiF5) contains Bi and F (2 elements).
Where does the data for BiF5 come from?
BiF5 data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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