Citation: Kabbour, Houria; Sayede, Adlane; Saitzek, S\'ebastien; Lef\`evre, Gauthier; Cario, Laurent; Trentesaux, Martine; Roussel, Pascal (2020). Structure of the water-splitting photocatalyst oxysulfide \a-LaOInS2 and ab initio prediction of new polymorphs.. Chemical communications (Cambridge, England), 56, pp. 1645-1648.