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Inorganics, Volume 3, Issue 1 (March 2015), Pages 1-54

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Editorial

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Open AccessEditorial Acknowledgement to Reviewers of Inorganics in 2014
Inorganics 2015, 3(1), 19-20; doi:10.3390/inorganics3010019
Received: 8 January 2015 / Accepted: 8 January 2015 / Published: 8 January 2015
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Abstract
The editors of Inorganics would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2014:[...] Full article

Research

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Open AccessCommunication A New Nanometer-Sized Ga(III)-Oxyhydroxide Cation
Inorganics 2015, 3(1), 21-26; doi:10.3390/inorganics3010021
Received: 13 December 2014 / Revised: 19 January 2015 / Accepted: 26 January 2015 / Published: 3 February 2015
Cited by 1 | PDF Full-text (1697 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
A new 30-center Ga(III)-oxy-hydroxide cation cluster was synthesized by hydrolysis of an aqueous GaCl3 solution near pH = 2.5 and crystallized using 2,6-napthalene disulfonate (NDS). The cluster has 30 metal centers and a nominal stoichiometry: [Ga304-O)12
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A new 30-center Ga(III)-oxy-hydroxide cation cluster was synthesized by hydrolysis of an aqueous GaCl3 solution near pH = 2.5 and crystallized using 2,6-napthalene disulfonate (NDS). The cluster has 30 metal centers and a nominal stoichiometry: [Ga304-O)123-O)43-OH)42-OH)42(H2O)16](2,6-NDS)6, where 2,6-NDS = 2,6-napthalene disulfonate This cluster augments the very small library of Group 13 clusters that have been isolated from aqueous solution and closely resembles one other Ga(III) cluster with 32 metal centers that had been isolated using curcurbit ligands. These clusters have uncommon linked Ga(O)4 centers and sets of both protonated and unprotonated μ3-oxo. Full article
(This article belongs to the Special Issue Polyoxometalates) Printed Edition available
Open AccessArticle [AuHg(o-C6H4PPh2)2I]: A Dinuclear Heterometallic Blue Emitter
Inorganics 2015, 3(1), 27-39; doi:10.3390/inorganics3010027
Received: 15 December 2014 / Accepted: 3 February 2015 / Published: 11 February 2015
Cited by 4 | PDF Full-text (3239 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The heteronuclear AuI/HgII complex [AuHg(o-C6H4PPh2)2I] (1) was prepared by reacting of [Hg(2-C6H4PPh2)2] with [Au(tht)2]ClO4 (1:1) and NaI
[...] Read more.
The heteronuclear AuI/HgII complex [AuHg(o-C6H4PPh2)2I] (1) was prepared by reacting of [Hg(2-C6H4PPh2)2] with [Au(tht)2]ClO4 (1:1) and NaI in excess. The heterometallic compound 1 has been structurally characterized and shows an unusual blue luminescent emission in the solid state. Theoretical calculations suggest that that the origin of the emission arises from the iodide ligand arriving at metal-based orbitals in a Ligand to Metal-Metal Charge Transfer transition. Full article
(This article belongs to the Special Issue Frontiers in Gold Chemistry)
Open AccessArticle Disulfide Competition for Phosphine Gold(I) Thiolates: Phosphine Oxide Formation vs. Thiolate Disulfide Exchange
Inorganics 2015, 3(1), 40-54; doi:10.3390/inorganics3010040
Received: 19 November 2014 / Revised: 6 February 2015 / Accepted: 9 February 2015 / Published: 27 February 2015
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Abstract
Phosphine gold(I) thiolate complexes react with aromatic disulfides via two pathways: either thiolate–disulfide exchange or a pathway that leads to formation of phosphine oxide. We have been investigating the mechanism of gold(I) thiolate–disulfide exchange. Since the formation of phosphine oxide is a competing
[...] Read more.
Phosphine gold(I) thiolate complexes react with aromatic disulfides via two pathways: either thiolate–disulfide exchange or a pathway that leads to formation of phosphine oxide. We have been investigating the mechanism of gold(I) thiolate–disulfide exchange. Since the formation of phosphine oxide is a competing reaction, it is important for our kinetic analysis to understand the conditions under which phosphine oxide forms. 1H and 31P{1H} NMR, and GC-MS techniques were employed to study the mechanism of formation of phosphine oxide in reactions of R3PAu(SRʹ) (R = Ph, Et; SRʹ = SC6H4CH3, SC6H4Cl, SC6H4NO2, or tetraacetylthioglucose (TATG)) and R*SSR* (SR* = SC6H4CH3, SC6H4Cl, SC6H4NO2, or SC6H3(COOH)(NO2)). The phosphine oxide pathway is most significant for disulfides with strongly electron withdrawing groups and in high dielectric solvents, such as DMSO. Data suggest that phosphine does not dissociate from gold(I) prior to reaction with disulfide. 2D (1H-1H) NMR ROESY experiments are consistent with an intermediate in which the disulfide and phosphine gold(I) thiolate are in close proximity. Water is necessary but not sufficient for formation of phosphine oxide since no phosphine oxide forms in acetonitrile, a solvent, which frequently contains water. Full article
(This article belongs to the Special Issue Frontiers in Gold Chemistry)
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Review

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Open AccessReview Supramolecular Gold Metallogelators: The Key Role of Metallophilic Interactions
Inorganics 2015, 3(1), 1-18; doi:10.3390/inorganics3010001
Received: 15 October 2014 / Accepted: 11 December 2014 / Published: 31 December 2014
Cited by 8 | PDF Full-text (1733 KB) | HTML Full-text | XML Full-text
Abstract
Gold metallogelators is an emerging area of research. The number of results published in the literature is still scarce. The majority of these gels is observed in organic solvents, and the potential applications are still to be explored. In this work, we present
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Gold metallogelators is an emerging area of research. The number of results published in the literature is still scarce. The majority of these gels is observed in organic solvents, and the potential applications are still to be explored. In this work, we present an overview about gold metallogelators divided in two different groups depending on the type of solvent used in the gelation process (organogelators and hydrogelators). A careful analysis of the data shows that aurophilic interactions are a common motif directly involved in gelation involving Au(I) complexes. There are also some Au(III) derivatives able to produce gels but in this case the organic ligands determine the aggregation process. A last section is included about the potential applications that have been reported until now with this new and amazing class of supramolecular assemblies. Full article
(This article belongs to the Special Issue Frontiers in Gold Chemistry)
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