2015
DOI: 10.1002/anie.201500897
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Abstract: Tetrairon(III) single-molecule magnets [Fe4(pPy)2(dpm)6] (1) (H3pPy=2-(hydroxymethyl)-2-(pyridin-4-yl)propane-1,3-diol, Hdpm=dipivaloylmethane) have been deliberately organized into supramolecular chains by reaction with Ru(II)Ru(II) or Ru(II)Ru(III) paddlewheel complexes. The products [Fe4(pPy)2(dpm)6][Ru2(OAc)4](BF4)x with x=0 (2 a) or x=1 (2 b) differ in the electron count on the paramagnetic diruthenium bridges and display hysteresis loops of substantially different shape. Owing to their large easy-plane a… Show more

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Cited by 40 publications
(39 citation statements)
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References 42 publications
(17 reference statements)
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“…Ferromagnetic couplings between the MBBs suppress the thermally independent relaxation pathways. Such behavior has been observed in the past for, among others, antiferromagnetically interacting Mn 4 complexes, ferromagnetically coupled Fe 4 supramolecular chains, cyanide‐based SMMs, Dy radical tetramers, Dy III dimers but, to the best of our knowledge, never for 4f chains.…”
Section: Resultsmentioning
confidence: 99%
“…Ferromagnetic couplings between the MBBs suppress the thermally independent relaxation pathways. Such behavior has been observed in the past for, among others, antiferromagnetically interacting Mn 4 complexes, ferromagnetically coupled Fe 4 supramolecular chains, cyanide‐based SMMs, Dy radical tetramers, Dy III dimers but, to the best of our knowledge, never for 4f chains.…”
Section: Resultsmentioning
confidence: 99%
“…Concatenation of 3 4 ‐ Py and [Ru 2 (OAc) 4 ] + units in the structure of 3 4 ‐ Py [Ru 2 (OAc) 4 ]BF 4 . The color code is the same as in Figure , with Ru ions represented as dark brown spheres.…”
Section: Chemistry Of Fe4 and Related Complexesmentioning
confidence: 88%
“…With rare exceptions, heteroleptic tetrairon(III) species contain ligands with separate structural roles. Chelating β‐diketonates, or simpler monodentate ligands (halides, alcohols) bind exclusively to peripheral ions, while monodentate alkanoates, , or triply deprotonated trimethylol derivatives H 3 L R = R‐C(CH 2 OH) 3 (Scheme ), act solely as bridging ligands. The possibility to independently vary terminal and bridging ligands adds considerable chemical versatility to this particular subclass.…”
Section: Chemistry Of Fe4 and Related Complexesmentioning
confidence: 99%
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