Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. , Application In Synthesis of Sodium 4-(nicotinamido)butanoate, 62936-56-5, Name is Sodium 4-(nicotinamido)butanoate, molecular formula is C10H11N2NaO3, belongs to pyridine-derivatives compound. In a document, author is Ghosh, Tuhin, introduce the new discover.
New (MnMn8III)-Mn-II and (Mn2Mn10Mn2IV)-Mn-II-Mn-III clusters from the reaction of methyl 2-pyridyl ketone oxime with [Mn12O12(O2CR)(16)(H2O)(4)]
The syntheses, crystal structures and magnetic properties of two mixed-valence Mn clusters [(MnMn8O6)-Mn-II-O-III(mpko)(3)(O2CMe)(11)] (1) and [(Mn2Mn10Mn2O12)-Mn-II-Mn-III-O-IV(mpko)(6)(O2CPh)(12)(H2O)(2)] (2) are reported. They were obtained from the corresponding reactions in MeCN of [Mn12O12(O2CR)(16)(H2O)(4)] (R = Me (3), Ph (4)) with eight equivalents of methyl(pyridine-2-yl)ketone oxime (mpkoH). The cores of 1 and 2 are structurally related: 1 possesses a [Mn-9(mu(3)-O)(6)](14+) core with an unusual topology comprising a near-planar Mn-III-centered Mn-6(III) hexagon with additional Mn-II and Mn-III ions above and below the plane. Complex 2 possesses a IMn14(mu(4)-O)(2)(mu(3)-O)(10)](18)(+) core that can be described as a dimer of two Mn, incomplete-cores of 1. It is also a rare example of a Mn cluster containing three Mn oxidation states. Fits of variable-temperature, solid-state dc magnetic susceptibility data collected in a 0.1 T field in the 5.0-300 K range established that 1 and 2 possess ground state spins of S = 3/2 and S =1, respectively, which were confirmed by ac in-phase susceptibility data. (C) 2019 Elsevier Ltd. All rights reserved.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem