Thallium

Thompson, Larry J.

doi:10.1016/b978-0-12-800159-2.00014-2

Handbook of Toxicology of Chemical Warfare Agents 2015

DOI: 10.1016/b978-0-12-800159-2.00014-2

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Thallium

Larry J. Thompson¹

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2019

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Three isomers in a (hydrogen l-Cysteinato)-thallium(I): Crystal structure, spectroscopic and thermal properties

2019

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†Electronic supplementary information (ESI) available. See DOI:xxx The isolation of thallium(I) complexes [Tl 2 (HCys) 2 ] n (1) and [Tl 4 (HCys) 4 ] n (2) {H 2 Cys = L-Cysteine} from aqueous solution by means of crystallization is reported herein. Polar crystals of 1 and 2 were crystallized in P2 1 and P2 1 2 1 2 1 space groups respectively. Elemental analysis, XRD, IR, UV-Vis, TG-DSC and a single crystal X-ray diffraction were applied for characterizing the compounds. Linkage isomers 1 and 2 have 1D and 2D coordination polymeric structures respectively. The lone pair electrons of thallium(I) in 1-2 are stereo-chemically active. In 1, each of two independent Tl + ions is coordinated by three HCysions forming TlS 3 O irregular polyhedron that is linked to each other by vertexes in an infinite chain. In 2, four independent Tl + ions are coordinated by HCysions through S and O atoms, forming Tl1S 3 O 2 , Tl2S 4 , Tl3S 3 , Tl4S 3 irregular polyhedrons. The crystallographic independent HCysions are linked to the metal ion differently, two are μ 3 -S,S,S-, one is μ 4 -O,S,S,S-, and one is μ 4 -O,O',S,S,S-coordinated ligands. The amine group of compounds 1 and 2 is in the form of an ammonium ion (−NH 3 + ). The structures of 1-2 are stabilized by N-H⋯O hydrogen bonds, thallophilic Tl•••Tl and anagostic Tl⋯H-C interactions. The spectroscopic and thermal properties of compounds were analyzed.

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Three isomers in a (hydrogen l-Cysteinato)-thallium(I): Crystal structure, spectroscopic and thermal properties

2019

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Thallium

Cited by 1 publication

References 18 publications

Three isomers in a (hydrogen l-Cysteinato)-thallium(I): Crystal structure, spectroscopic and thermal properties

Three isomers in a (hydrogen l-Cysteinato)-thallium(I): Crystal structure, spectroscopic and thermal properties

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