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a) The crystal structure of Li4B7O12Cl. Reproduced with permission. [123] Copyright 2019, American Chemical Society. b) The crystal structure of Sr2B5O9Cl. Reproduced with permission. [124] Copyright 2020, Wiley‐VCH. The [BO4] tetrahedra and [BO3] triangles in the borate framework are highlighted in red.
