Iron pentahydride

Iron pentahydride
Identifiers
3D model (JSmol)
  • InChI=1S/Fe.5H
    Key: HAXLEIPZVOGIBZ-UHFFFAOYSA-N
  • [Fe].[H].[H].[H].[H].[H]
Properties
FeH5
Molar mass 60.885 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Iron pentahydride FeH5 is a superhydride compound of iron and hydrogen, stable under high pressures. It is important because it contains atomic hydrogen atoms that are not bonded into smaller molecular clusters, and may be a superconductor. Pairs of hydrogen atoms are not bonded together into molecules. FeH5 has been made by compressing a flake of iron with hydrogen in a diamond anvil cell to a pressure of 130 GPa and heating to below 1500K. When decompressed to 66 GPa it decomposes to solid FeH3.

The unit cell is tetragonal with space group I4/mmm.

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