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Cited by 24 publications
(18 citation statements)
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“…. 1/n, typical for reflections from a lamellar structure [25][26][27][28][29][30][31]. Unit cell parameters obtained from indexation calculations as reported previously [8,22] show that for both sodium and zinc carboxylates c = a = 90, irrespective of chain; that is, the compounds are crystallized in a monoclinic crystal system as indicted by the infrared data.…”
Section: Powder X-ray Diffractionmentioning
confidence: 79%
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“…. 1/n, typical for reflections from a lamellar structure [25][26][27][28][29][30][31]. Unit cell parameters obtained from indexation calculations as reported previously [8,22] show that for both sodium and zinc carboxylates c = a = 90, irrespective of chain; that is, the compounds are crystallized in a monoclinic crystal system as indicted by the infrared data.…”
Section: Powder X-ray Diffractionmentioning
confidence: 79%
“…Therefore, since this value is $138 and $142 for sodium and zinc carboxylates, respectively, it is clear that metal carboxylate bonding in sodium alkanoates is via chelating with extensive head group intermolecular interactions, whilst for zinc compounds bridging coordination is likely. Indeed, for zinc compounds, single crystal analysis confirmed bridging bidentate coordination [30]. Additionally, the greater intensity of m as COO relative to m s COO indicates that metal-carboxyl bonding is asymmetric; that is, the C-O bonds of the carboxyl group are not equivalent due to different degrees of interaction with the metal ions.…”
Section: Ft-ir Spectroscopymentioning
confidence: 99%
“…Nevertheless, IR studies on a series of metal acetates, showed that for chelating bidentate coordination Dm was in the vicinity of 100 cm -1 or less but for bridging bidentate bonding the value was ca. 150 cm -1 [20,60,61,68]. Additionally, studies on some metal haloacetates indicated that [20] a higher value of m as (-COO -) relative to the values for the ionic soaps (Na ?…”
Section: Infrared Spectroscopymentioning
confidence: 99%
“…Therefore, various techniques have been employed to elucidate the structures of the room temperature solids [10,20], though, for many long chain adducts few reports have been published on their molecular and lattice arrangement in the crystal system. This challenge arises because many compounds do not produce crystals of suitable morphology for single crystal X-ray analysis [12,20,[60][61][62], that is, the crystals are usually twined or exist as thin needles that are very fragile and do not diffract well. This is due to their low molecular symmetry and flexibility of the polymethylene chains.…”
Section: Metal-carboxylate Coordination and Solid-state Lattice Strucmentioning
confidence: 99%
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