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Updated: May 10, 2026

Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
Published on: February 11, 2012
Cs10H[Ga3H8]3: a hydrogenous zintl phase containing propane-like polyanions [Ga3H8]3- and interstitial hydrogen
1Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden. henrik.fahlquist@mmk.su.se
Abstract:
The hydrogenous Zintl-phase Cs10H[Ga3H8]3 containing propane-like polyanions [Ga3H(D)8](3-) was successfully synthesized by direct hydrogenation of a 1:1 Cs/Ga metal mixture and characterized by powder X-ray and neutron diffraction. The charge of the polyanions is balanced by two different species of cations, hydrogen-centered octahedra [H(D)Cs6](5+) and isolated Cs(+). The structure crystallizes in the hexagonal space group P63/mcm (193) with the cell parameters a = 11.1108(3) Å, c = 18.2149(5) Å, Z = 2.
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