Citation: \%Angstr\"om, Jonas; Johansson, Robert; Sarkar, Tapati; S\/orby, Magnus H; Zlotea, Claudia; Andersson, Mikael S.; Nordblad, Per; Scheicher, Ralph H.; H\"aussermann, Ulrich; Sahlberg, Martin (2015). Hydrogenation-Induced Structure and Property Changes in the Rare-Earth Metal Gallide NdGa: Evolution of a [GaH](2-) Polyanion Containing Peierls-like Ga-H Chains.. Inorganic chemistry, 55, pp. 345-.