biostudies-literatureShen WNational Natural Science Foundation of China829-836https://www.ebi.ac.uk/biostudies/studies/S-EPMC6345353biostudies-literatureUnknown10(3)The successful isolation and unambiguous crystallographic assignment of a series of lutetium-containing endohedral metallofullerenes (EMFs), Lu₂C_2<i>n</i> (2<i>n</i> = 76, 78, 80, 84, 86, 88, 90), reveal an unrecognized decisive effect of the cage size on the configuration of the encapsulated clusters. The molecular structures of these compounds are unambiguously assigned as Lu₂@<i>T</i> _d(2)-C₇₆, Lu₂@<i>D</i> _3h(5)-C₇₈, Lu₂@<i>C</i> _2v(5)-C₈₀, Lu₂@<i>C</i> _2v(7)-C₈₄, Lu₂@<i>C</i> _s(8)-C₈₆, Lu₂@<i>C</i> _s(15)-C₈₆, Lu₂@<i>C</i> ₁(26)-C₈₈, Lu<Chemical scienceCrystallographic characterization of Lu₂C_2<i>n</i> (2<i>n</i> = 76-90): cluster selection by cage size.PMC63453535147209551602097516720935160211221171061Hu SBao LYang LXie YLu XJin PShen WAkasaka TfalseCrystallographic characterization of Lu₂C_2<i>n</i> (2<i>n</i> = 76-90): cluster selection by cage size.The successful isolation and unambiguous crystallographic assignment of a series of lutetium-containing endohedral metallofullerenes (EMFs), Lu₂C_2<i>n</i> (2<i>n</i> = 76, 78, 80, 84, 86, 88, 90), reveal an unrecognized decisive effect of the cage size on the configuration of the encapsulated clusters. The molecular structures of these compounds are unambiguously assigned as Lu₂@<i>T</i> _d(2)-C₇₆, Lu₂@<i>D</i> _3h(5)-C₇₈, Lu₂@<i>C</i> _2v(5)-C₈₀, Lu₂@<i>C</i> _2v(7)-C₈₄, Lu₂@<i>C</i> _s(8)-C₈₆, Lu₂@<i>C</i> _s(15)-C₈₆, Lu₂@<i>C</i> ₁(26)-C₈₈, Lu<2019-01-01T00:00:00Z2019 Jan2025-04-04T11:59:24.326Z2019-03-26T22:55:11ZS-EPMC63453533077487710.1039/c8sc03886d