{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,7]],"date-time":"2026-03-07T06:30:04Z","timestamp":1772865004973,"version":"3.50.1"},"reference-count":89,"publisher":"Wiley","issue":"13","license":[{"start":{"date-parts":[[2006,2,21]],"date-time":"2006-02-21T00:00:00Z","timestamp":1140480000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2006,4,24]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>A new series of layered magnets with the formula [M(<jats:sc>L<\/jats:sc>\u2010tartrate)] (M = Mn<jats:sup>II<\/jats:sup>, Co<jats:sup>II<\/jats:sup>, Fe<jats:sup>II<\/jats:sup>, Ni<jats:sup>II<\/jats:sup>; <jats:sc>L<\/jats:sc>\u2010tartrate = (2<jats:italic>R<\/jats:italic>,3<jats:italic>R<\/jats:italic>)\u2010(+)\u2010tartrate) has been prepared. All of these compounds are isostructural and crystallize in the chiral orthorhombic space group <jats:italic>I<\/jats:italic>222, as found by X\u2010ray structure analysis. Their structure consists of a three\u2010dimensional polymeric network in which each metal shows distorted octahedral coordination bound to four <jats:sc>L<\/jats:sc>\u2010tartrate ligands, two of which chelate through an alcohol and a carboxylate group and the other two bind terminally through a monodentate carboxylate group. The chirality of the ligand imposes a \u0394 conformation on all metal centers. Magnetically, the paramagnetic metal centers form pseudotetragonal layers in which each metal is surrounded by four other metals, with <jats:italic>syn<\/jats:italic>,<jats:italic>anti<\/jats:italic> carboxylate bridges. These salts show intralayer antiferromagnetic or ferromagnetic interactions, depending on the electronic configuration of the metal, and weak interlayer antiferromagnetic interaction. In all cases the magnetic properties are strongly affected by the anisotropy of the system, and the presence of magnetic canting has been found. The Mn derivative behaves as a weak ferromagnet with a critical temperature of 3.3 K. The Ni derivative shows very unusual magnetic behavior in that it exhibits antiferromagnetic ordering below 6 K, the onset of spontaneous magnetization arising from spin reorientation into a canted phase below 4.5 K, and a field\u2010induced ferromagnetic state above 0.3 T at 2 K, behavior typical of metamagnets. The Fe and Co derivatives show antiferromagnetic interactions between spin carriers, but do not order above 2 K.<\/jats:p>","DOI":"10.1002\/chem.200501351","type":"journal-article","created":{"date-parts":[[2006,2,21]],"date-time":"2006-02-21T04:20:21Z","timestamp":1140495621000},"page":"3484-3492","source":"Crossref","is-referenced-by-count":123,"title":["Chiral Molecular Magnets: Synthesis, Structure, and Magnetic Behavior of the Series [M(<scp>L<\/scp>\u2010tart)] (M = Mn<sup>II<\/sup>, Fe<sup>II<\/sup>, Co<sup>II<\/sup>, Ni<sup>II<\/sup>; <scp>L<\/scp>\u2010tart = (2<i>R<\/i>,3<i>R<\/i>)\u2010(+)\u2010tartrate)"],"prefix":"10.1002","volume":"12","author":[{"given":"Eugenio","family":"Coronado","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 R.","family":"Gal\u00e1n\u2010Mascar\u00f3s","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos J.","family":"G\u00f3mez\u2010Garc\u00eda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Murcia\u2010Mart\u00ednez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,4,12]]},"reference":[{"key":"e_1_2_6_1_2","doi-asserted-by":"publisher","DOI":"10.1002\/9780470166468.ch4"},{"key":"e_1_2_6_2_2","unstructured":"\u00a0"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1021\/ja00044a004"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1021\/ic950703v"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1521-3765(20000204)6:3<552::AID-CHEM552>3.0.CO;2-U"},{"key":"e_1_2_6_6_2","unstructured":"\u00a0"},{"key":"e_1_2_6_7_2","doi-asserted-by":"publisher","DOI":"10.1039\/a803165g"},{"key":"e_1_2_6_8_2","doi-asserted-by":"publisher","DOI":"10.1021\/cm980321y"},{"key":"e_1_2_6_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0010-8545(03)00119-X"},{"key":"e_1_2_6_10_2","first-page":"430","author":"Batten S. 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