Citation: Chatenever, Ana R. K.; Ehlke, Beatriz; Le Maguer\`es, Pierre; Reinheimer, Eric W.; Song, Xueling; Fei, Honghan; Oliver, Scott R. J. (2021). Structural diversity of four lanthanide metal--organic frameworks based on 2,6-naphthalenedicarboxylate: synthesis, structures and photoluminescent properties. CrystEngComm, 23, pp. 1388-1397.