Polylinked adamantanoid structure of Cd(SePh)2

Anjali, K.S.; Vittal, Jagadese J.

doi:10.1016/s1387-7003(00)00175-1

Cited by 19 publications

(18 citation statements)

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“…ring-like) or polymeric structures. Examples for transition metals include the oligomeric ring structures of [{Ni(μ-SPh) 2 } n ] (n = 9, 11), 20 [{Ni(μ-S i Pr)(μ-mtet)} 6 ], [{Ni(μ-S t Bu) (μ-mtet)} 10 ] (mtet = 2-methylthioethanethiolate) 21 and [{Fe(SePh) 2 } 12 ], 22 the 1D chain structures of 1 1 [M(SeR) 2 ] (M = Mn, Fe; R = Ph, Mes; Mes = C 6 H 2 -2,4,6-(CH 3 ) 3 ) [23][24][25] and the 3D adamantoid network structure of 3 1 [Zn 4 (SPh) 8 CH 3 OH], 26 28 In this respect dimeric [{Co(SR) 2 } 2 ] (R = 2,4,6-t Bu 3 C 6 H 2 ) and hexameric [{Co(SEt) 2 } 6 ] (Et = C 2 H 5 ) are the only polynuclear examples for cobalt which have been characterized by single crystal X-ray diffraction. 29 In contrast a few more homoleptic thiolato complexes of cobalt which are ionic have been structurally characterized including the above mentioned [Co(SPh) 4 ] 4− , 30 33 The latter ones can be viewed as structural building blocks of oligomeric and polymeric structures mentioned above.…”

Section: Introductionmentioning

confidence: 99%

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]

Eichhöfer

Buth

2016

Dalton Trans.

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Reactions of [Co(N(SiMe))thf] with 2.1 equiv. of MesSH (Mes = CH-2,4,6-(CH)) yield dark brown crystals of the one dimensional chain compound [Co(SMes)]. In contrast reactions of [Co(N(SiMe))thf] with 2.1 equiv. of PhSH result in the formation of a dark brown almost X-ray amorphous powder of 'Co(SPh)'. Addition of aliquots of CHOH to the latter reaction resulted in the almost quantitative formation of crystalline ammonia thiolato complexes either [Co(SPh)(NH)] or [Co(SPh)NH]. Single crystal XRD reveals that [Co(SPh)NH] forms one-dimensional chains in the crystal via μ-SPh bridges whereas [Co(SPh)(NH)] consists at a first glance of isolated distorted tetrahedral units. Magnetic measurements suggest strong antiferromagnetic coupling for the two chain compounds [Co(SMes)] (J = -38.6 cm) and [Co(SPh)NH] (J = -27.1 cm). Interestingly, also the temperature dependence of the susceptibility of tetrahedral [Co(SPh)(NH)] shows an antiferromagnetic transition at around 6 K. UV-Vis-NIR spectra display d-d bands in the NIR region between 500 and 2250 nm. Thermal gravimetric analysis of [Co(SPh)(NH)] and [Co(SPh)NH] reveals two well separated cleavage processes for NH and SPh upon heating accompanied by the stepwise formation of 'Co(SPh)' and cobalt sulfide.

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Section: Introductionmentioning

confidence: 99%

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]

Eichhöfer

Buth

2016

Dalton Trans.

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“…34 Similarly, mercury-based T2 clusters can be joined through bridging PhSeligands into one-dimensional chains of stoichiometry [Hg 4 (SePh) 7 XPy] n (X=Cl, I, Br). 35 36 adopts a three-dimensional structure, in which each T2 cluster is vertex-linked to other four T2 clusters. 37 Whilst the crystal structure of [Cd(SPh) 2 ] exhibits the α-cristobalite topology ( Figure 6(a)), other topologies are found with different substituents in the phenyl rings.…”

Section: Extended Structures Containing Chalcogenolate Clusters (A) Ementioning

confidence: 99%

Hybrid materials through linkage of chalcogenide tetrahedral clusters

Vaqueiro

2010

Dalton Trans.

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Tetrahedral chalcogenide clusters, with their well-defined molecular structures and interesting properties, are attractive building blocks for hybrid materials, in which porosity may be integrated with electronic or optical properties. Linkage of tetrahedral clusters often occurs through bridging chalcogenolate ligands, and results in extended structures of inorganic connectivity. However, linkage of tetrahedral clusters via organic ligands is also possible and a number of coordination polymers have already been reported. Recent advances on the synthesis and crystal structures of extended hybrid structures based on tetrahedral clusters are described here.

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“…Cd(SePh) 2 was prepared according to literature procedure. 43 Elemental analyses (CHN) were carried out with a Perkin-Elmer 2400 analyzer. Infrared spectra were measured on a Bruker Tensor 27 mid-IR spectrometer.…”

Section: Materials and Measurementsmentioning

confidence: 99%

Synthesis and characterization of [Cd8Cl2Se(SePh)12(PCy3)2]·2.5CH3OH

Stieler¹,

Bublitz²,

Burrow³

et al. 2010

J. Braz. Chem. Soc.

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Neste artigo estamos apresentando a síntese do composto [Cd 8 Cl 2 (µ 4 -Se) (SePh) 12 (PCy 3 ) 2 ]·2.5CH 3 OH pela reação de Cd(SePh) 2 com CdCl 2 e triciclohexilfosfina em metanol em um reator de aço inoxidável sob condições solvotérmicas a 130 °C. Esse composto corresponde ao último resultado de uma série sistemática de reações e visando ao crescimento de clusters moleculares a partir de Cd(SePh) 2 como reagente de partida. A importância desta síntese não está baseada somente nas propriedades do produto preparado, mas também no seu possível uso, por exemplo, no desenvolvimento de novas metodologias via estratégias "bottom up" para a obtenção de clusters a partir de uma mesma classe de reagentes -M(ER) 2 (M = metal, E = calcogênio, R = alquil ou aril). O composto apresentado neste artigo foi caracterizado por difração de raios X em monocristal, análise elementar, análise termogravimétrica e espectroscopia no UV-Vis. Estes últimos resultados foram correlacionados com dados calculados por DFT, teoria do funcional de densidade.In this article we present the synthesis of the compound [Cd 8 Cl 2 Se(SePh) 12 (PCy 3 ) 2 ]·2.5CH 3 OH by the reaction of Cd(SePh) 2 with CdCl 2 and PCy 3 in methanol in a stainless steel sealed reactor under solvothermal conditions at 130 °C. This compound represents the latest result of our systematic work on the growth of molecular clusters from Cd(SePh) 2 as starting material. Their importance is based not only on the properties of the new compounds, but also by their possible use, for example, in the development of new methods via a ''bottom up" strategy to obtain different clusters from single components like M(ER) 2 (M = metal, E = chalcogen, R = alkyl or aryl). The title compound was characterized by single crystal X-ray diffractometry, elemental analysis, thermogravimetrical analysis and the UV-Vis spectroscopy. These results were correlated with data calculated by DFT, density functional theory. Keywords: cadmium(II) complexes, selenium, tellurium, clusters IntroductionOrganylchalcogen groups bound to metal atoms to generate nanoclusters have become increasingly important due to their potential as semiconductors, among other materials and biological applications. [1][2][3][4] The unique optical and electronic properties inherent to these "quantumconfined particles" (quantum-dots) have been attributed to modifications of the electronic structure -depending upon the particle size -which lead to very different structures than those found in molecular solids or bulk materials. [5][6][7] Our search for new metalchalcogen-containing building blocks is of great interest for many reasons, principally because the variable size of the blocks produces tunable optoeletronic properties of the bulk products, [8][9][10] This emerging field -super lattices of crystalline chalcogenideslinks two traditional, but distinct, areas of research: chalcogenide clusters and reticular materials. [11][12][13][14][15][16][17][18][19] Some authors have proposed alternative ways for the development of metal-...

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Polylinked adamantanoid structure of Cd(SePh)2

Cited by 19 publications

References 19 publications

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]

Hybrid materials through linkage of chalcogenide tetrahedral clusters

Synthesis and characterization of [Cd8Cl2Se(SePh)12(PCy3)2]·2.5CH3OH

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Polylinked adamantanoid structure of Cd(SePh)2

Cited by 19 publications

References 19 publications

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)2] and 1∞[Co(SPh)2NH3]

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)2] and 1∞[Co(SPh)2NH3]

Hybrid materials through linkage of chalcogenide tetrahedral clusters

Synthesis and characterization of [Cd8Cl2Se(SePh)12(PCy3)2]·2.5CH3OH

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Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]

Polymeric cobalt(ii) thiolato complexes – syntheses, structures and properties of 1∞[Co(SMes)₂] and 1∞[Co(SPh)₂NH₃]