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Five crystal structures have been determined and studied, namely tris(2-{[(2-methoxyphenyl)imino]methyl}phenolato-\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>)lanthanum, [La(C14<\/jats:sub>H12<\/jats:sub>NO2<\/jats:sub>)3<\/jats:sub>], (1<\/jats:bold>), tris(2-{[(2-methoxyphenyl)imino]methyl}phenolato-\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>)neodymium tetrahydrofuran disolvate, [La(C14<\/jats:sub>H12<\/jats:sub>NO2<\/jats:sub>)3<\/jats:sub>]\u00b72C4<\/jats:sub>H8<\/jats:sub>O, (2<\/jats:bold>)\u00b72THF, tris(2-{[(2-methoxyphenyl)imino]methyl}phenolato)-\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>;\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>;\u03ba2<\/jats:sup>\n N<\/jats:italic>,O<\/jats:italic>\n 1<\/jats:sup>-yttrium, [Y(C14<\/jats:sub>H12<\/jats:sub>NO2<\/jats:sub>)3<\/jats:sub>], (3<\/jats:bold>), dichlorido-1\u03baCl<\/jats:italic>,2\u03baCl<\/jats:italic>-\u03bc-methanolato-1:2\u03ba2<\/jats:sup>\n O<\/jats:italic>:O<\/jats:italic>-methanol-2\u03baO<\/jats:italic>-(\u03bc-2-{[(2-methoxyphenyl)imino]methyl}phenolato-1\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>:2\u03baO<\/jats:italic>\n 1<\/jats:sup>)bis(2-{[(2-methoxyphenyl)imino]methyl}phenolato)-1\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>;2\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>-diyttrium\u2013tetrahydrofuran\u2013methanol (1\/1\/1), [Y2<\/jats:sub>(C14<\/jats:sub>H12<\/jats:sub>NO2<\/jats:sub>)3<\/jats:sub>(CH3<\/jats:sub>O)Cl2<\/jats:sub>(CH4<\/jats:sub>O)]\u00b7CH4<\/jats:sub>O\u00b7C4<\/jats:sub>H8<\/jats:sub>O, (4<\/jats:bold>)\u00b7MeOH\u00b7THF, and bis(\u03bc-2-{[(2-methoxyphenyl)imino]methyl}phenolato-1\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>:2\u03baO<\/jats:italic>\n 1<\/jats:sup>)bis(2-{[(2-methoxyphenyl)imino]methyl}phenolato-2\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>)sodiumyttrium chloroform disolvate, [NaY(C14<\/jats:sub>H12<\/jats:sub>NO2<\/jats:sub>)4<\/jats:sub>]\u00b72CHCl3<\/jats:sub>, (5<\/jats:bold>)\u00b72CHCl3<\/jats:sub>. Structural peculiarities of homoleptic tris(iminophenoxide)s (1<\/jats:bold>)\u2013(3<\/jats:bold>), binuclear tris(iminophenoxide) (4<\/jats:bold>) and homoleptic ate tetrakis(iminophenoxide) (5<\/jats:bold>) are discussed. The nonflat Schiff base ligand displays \u03bc2<\/jats:sub>-\u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup>:\u03baO<\/jats:italic>\n 1<\/jats:sup> bridging, and \u03ba3<\/jats:sup>\n O<\/jats:italic>\n 1<\/jats:sup>,N<\/jats:italic>,O<\/jats:italic>\n 2<\/jats:sup> and \u03ba2<\/jats:sup>\n N<\/jats:italic>,O<\/jats:italic>\n 1<\/jats:sup> terminal coordination modes, depending on steric congestion, which in turn depends on the ionic radii of the rare-earth metals and the number of coordinated ligands. It has been demonstrated that interligand dihedral angles of the phenoxide ligand are convenient for comparing steric hindrance in complexes. (4<\/jats:bold>)\u00b7MeOH has a flat Y2<\/jats:sub>O2<\/jats:sub> rhomboid core and exhibits both inter- and intramolecular MeO\u2014H...Cl hydrogen bonding. Catalytic systems based on complexes (1<\/jats:bold>)\u2013(3<\/jats:bold>) and (5<\/jats:bold>) have demonstrated medium catalytic performance in acrylonitrile polymerization, providing polyacrylonitrile samples with narrow polydispersity.<\/jats:p>","DOI":"10.1107\/s2053229618012421","type":"journal-article","created":{"date-parts":[[2018,9,13]],"date-time":"2018-09-13T11:00:46Z","timestamp":1536836446000},"page":"1105-1115","update-policy":"https:\/\/doi.org\/10.1107\/cm_01","source":"Crossref","is-referenced-by-count":2,"title":["Different coordination modes of trans<\/i>-2-{[(2-methoxyphenyl)imino]methyl}phenoxide in rare-earth complexes: influence of the metal cation radius and the number of ligands on steric congestion and ligand coordination modes"],"prefix":"10.1107","volume":"74","author":[{"given":"Dmitrii M.","family":"Roitershtein","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kseniya I.","family":"Minashina","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4089-3697","authenticated-orcid":true,"given":"Mikhail E.","family":"Minyaev","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ivan V.","family":"Ananyev","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konstantin A.","family":"Lyssenko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexander N.","family":"Tavtorkin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ilya E.","family":"Nifant'ev","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"329","published-online":{"date-parts":[[2018,9,13]]},"reference":[{"key":"jx3019_bb1","unstructured":"Bruker (2008). 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