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 SM ISO690:2012DARII, Mariana, FILIPPOVA, Irina, HAUSER, J, DECURTINS, Silvio, LIU, Shi-Xia, KRAVTSOV, Victor, BACA, Svetlana. Incorporation of hexanuclear mn(II,III) carboxylate clusters with a {Mn6O2} core in polymeric structures. In: Crystals, 2018, vol. 8, p. 0. ISSN 2073-4352. DOI: https://doi.org/10.3390/cryst8020100 |
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  Crystals |
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| Volumul 8 / 2018 / ISSN 2073-4352 | |||||||
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| DOI:https://doi.org/10.3390/cryst8020100 | |||||||
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A new series of hexanuclear mixed-valent carboxylate coordination clusters of the type [Mn6O2(O2CR)10L4] (R = CMe3; CHMe2) featuring a {MnII4MnIII2(μ4-O)2} core of composition [Mn6O2(O2CCMe3)10(Me3CCO2H)3(EtOH)]·(Me3CCO2H) (1), [Mn6O2(O2CCMe3)10(Me3CCO2H)2 (EtOH)2]·2(EtOH) (2) and [Mn6O2(O2CCMe3)10(Me3CCO2H)2(MeOH)2]·2(MeOH)·H2O (3), and coordination polymers which incorporate such clusters, namely [Mn6O2(O2CCHMe2)10(pyz)(MeOH)2]n (4), {[Mn6O2(O2CCHMe2)10(pyz)1.5(H2O)]·0.5(H2O)}n (5), and [Mn6O2(O2CCMe3)10(HO2CCMe3)2(en)]n (6), have been synthesized (where pyz = pyrazine, en = ethyl nicotinate). The modification of the cluster surface by a diverse combination of capped or bridging ligands attached to peripheral MnII atoms results in discrete clusters with a closed hydrophobic exterior shell in 1 and 2, supramolecular chains built through hydrogen bonded solvent molecule clusters in 3, linear coordination polymers in 4 and 6 or a ladder-like coordination polymer in 5. The H-bonded coordination polymers 4 and 5 form supramolecular layers in crystals. |
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| Cuvinte-cheie Cluster-based coordination polymer, Manganese cluster, X-ray diffraction analysis |
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