Magnesium MOFs

Uthium hypofluorite (UOF) Magnesium fluoride (HgF) Magnesiun fluoride, ion (li F ) Molybdenum fluoride (MoF) Fluoroimldogen (NF)... 

A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J °C . The temperature increases by 1.126°C. Calculate the heat given off by the burning Mg, both in kJ g and in kJ moF. ... 

We disclosed a few years ago that borohydride derivatives of the rare earths can advantageously be used as precatalysts for the polymerization of nonpolar monomers, in combination with metal-alkyl compounds as cocatalysts [12], Such catalysts were found to be very versatile as various monomers were successfully tested. Magnesium cocatalysts gave rise to controlled polymerizations, and the results were different depending on the precatalyst/cocatalyst ratio. Aluminum cocatalysts required the addition of a borate activator to afford polymers. Other catalytic combinations starting from phenate and MOF (metal organic framework) derivatives of the rare earths were also assessed and compared with the borohydride-based ones. 

Burgess et al. reported and Mg ssNMR characterization of a series of metal organic frameworks (MOFs). These were benzoate and salicylate with magnesium complexes, based around the featuring Mg ions in organic coordination environments. The Cq for Mg species were determined and compared with computational studies. ... 

Metal ions with low toxicity that are poorly absorbed by the body, such as iron, magnesium, calcium, and zinc, are attractive candidates. Of these, iron and zinc have been extensively apphed in MOF synthesis, perhaps owing to the kinetic labihty of certain oxidation states and their affinity for carboxyfate donors. Other metafs are also suitable, depending on their toxicity in comparison to necessary dosage, but the toxicity of the MOF itself will originate from its metaboHtes, and so careful scrutiny of the speciation and breakdown of the MOF in the hmnan body is obviously required. 

Figure 2 The illustration of some representative UMCs. (a) A dicopper paddlewheel structure with unsaturated copper centers. (b) A Co4(p4-O)(carboxylate)g SBU with unsaturated cobalt centers. (c) A metalloporphyrin moiety with unsaturated iron center."" (d) A Mn4(p4-Cl)(tetrazolate)g SBU with unsaturated manganese centers." (e) The Mg-MOF-74 (CPO-27) structure with unsaturated magnesium centers ...

Figure 7 The functionalization of MOFs and their interactions with COj. (a) The crystallographic structure of Ni-MOF-74 in the presence of COj, where the CO2 coordinates to unsaturated nickel centers in an end-on manner. (b) The introduction of Lewis base (mmen) into an analogous Mg-MOF with larger cavities, where the mmen coordinates to the unsaturated magnesium centers. (Figure 7b Reprinted with permission from Ref 5. Copyright (2012) American Chemical Society.)...

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