Die Dreikomponenten‐Selbstorganisation ändert ihre Richtung: Ein Sprung von einfachen Polymeren zu 3D‐Netzwerken sphärischer Wirt/Gast‐Aggregate

Fragmentation reactions of realgar caused by early transition metal hydrides

Abstract The reaction of realgar with [Cp′2MH3] in boiling toluene gave [Cp′2M2As2S6] (Cp′ = t-BuC5H4; M = Nb: 1; Ta: 2), while [Cp2WH2] (Cp = C5H5) reacted with As4S4 to give [Cp2W(H)(η1-As5S2)] (6). The structures were determined by X-ray crystallography. Compounds 1 and 2 are dimers in which two Cp′M units are symmetrically bridged by a μ,η2:2-AsS3 ligand, a sulfide ligand and a heteroallylic μ,η2:2-AsS2 ligand. The structure of 6 belongs to the type of bent metallocenes in which tungsten is surrounded tetrahedrally by two Cp ligands, a crystallographically found hydride atom and the new As5S2 cage. The reaction of 1 with W(CO)5THF gave [Cp′2Nb2As2S6·W(CO)5] (3) and [Cp′2Nb2As2S6W(CO)3·W…

Three‐Component Self‐Assembly Changes its Course: A Leap from Simple Polymers to 3D Networks of Spherical Host–Guest Assemblies

Angewandte Chemie / International edition 60(21), 12132 - 12142 (2021). doi:10.1002/anie.202103178

A New Building Block for Organometallic–Inorganic Hybrid Polymers: The Mixed Group 15/16 Element Ligand Complex [Cp* 2 Mo 2 (μ,η 2:2 ‐PSe) 2 (μ‐Se)] (Cp* = C 5 Me 5 )

The synthesis and spectroscopic characterization of [Cp*2Mo2P2Se3] (1; Cp* = C5Me5) and its use as a molecular building block in the formation of copper(I) halide polymers is described. The reaction of 1 in CH2Cl2 with 2 equiv. of CuBr and CuI in CH3CN under diffusion conditions gave [(Cp*2Mo2P2Se3)2(CuBr)2] (2) and [(Cp*2Mo2P2Se3)(CuX)3(CH3CN)]n (X = I; 3/4), respectively. The structure of 2 is distinguished by a central Cu2Br2 ring coordinated on each side by a tripledecker complex through one of its P atoms. A 2D network is formed by weak interactions between Se atoms of neighboring molecules. Compound [(Cp*2Mo2P2Se3)(CuI)3(CH3CN)]n exists in two isomeric forms 3 and 4. The crystal struc…

CCDC 2050950: Experimental Crystal Structure Determination

Related Article: Eugenia Peresypkina, Kevin Grill, Barbara Hiltl, Alexander V. Virovets, Werner Kremer, Jan Hilgert, Wolfgang Tremel and Manfred Scheer|2021|Angew.Chem.,Int.Ed.|60|12132|doi:10.1002/anie.202103178

CCDC 2047572: Experimental Crystal Structure Determination

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CCDC 1960938: Experimental Crystal Structure Determination

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CCDC 1960940: Experimental Crystal Structure Determination

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CCDC 2047569: Experimental Crystal Structure Determination

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CCDC 2047574: Experimental Crystal Structure Determination

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CCDC 2047573: Experimental Crystal Structure Determination

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CCDC 2047567: Experimental Crystal Structure Determination

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CCDC 2047568: Experimental Crystal Structure Determination

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CCDC 1886599: Experimental Crystal Structure Determination

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CCDC 1886601: Experimental Crystal Structure Determination

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CCDC 2047570: Experimental Crystal Structure Determination

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CCDC 2047571: Experimental Crystal Structure Determination

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CCDC 1886604: Experimental Crystal Structure Determination

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CCDC 1886605: Experimental Crystal Structure Determination

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CCDC 1960939: Experimental Crystal Structure Determination

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CCDC 1886603: Experimental Crystal Structure Determination

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CCDC 1886602: Experimental Crystal Structure Determination

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CCDC 2047575: Experimental Crystal Structure Determination

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CCDC 2067328: Experimental Crystal Structure Determination

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CCDC 1886598: Experimental Crystal Structure Determination

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CCDC 1886600: Experimental Crystal Structure Determination

Related Article: Eugenia Peresypkina, Kevin Grill, Barbara Hiltl, Alexander V. Virovets, Werner Kremer, Jan Hilgert, Wolfgang Tremel and Manfred Scheer|2021|Angew.Chem.,Int.Ed.|60|12132|doi:10.1002/anie.202103178