Synthesis, structure, photoluminescence and electrochemical properties of mononuclear Ag(I) and polymeric Zn(II) complexes of potassium 4-methyl piperazine-1-carbodithioate

被引：8

作者：

Chaudhari, U. K. ^{[1
]}

Bharti, A. ^{[2
]}

Nath, Paras ^{[1
]}

Azad, Uday Pratap ^{[3
]}

Prakash, R. ^{[3
]}

Butcher, R. J. ^{[4
]}

Bharty, M. K. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Dept Chem, Varanasi 221005, Uttar Pradesh, India

[2] Univ Delhi, Kirori Mal Coll, Dept Chem, Delhi 110007, India

[3] Indian Inst Technol BHU, Sch Mat Sci & Technol, Varanasi 221005, Uttar Pradesh, India

[4] Howard Univ, Dept Chem, 525 Coll St NW, Washington, DC 20059 USA

来源：

JOURNAL OF MOLECULAR STRUCTURE | 2019年 / 1177卷

关键词：

Dithiocarbamato complexes; Silver(I) complex; Polymeric complex; Zn(II) complex; Thermal behaviour; COPPER(I) COMPLEXES; NI(II) COMPLEXES; TRANSITION-METAL; LUMINESCENT PROPERTIES; CRYSTAL-STRUCTURE; HG(II) COMPLEXES; X-RAY; LIGANDS; DFT; PHENYLMERCURY(II);

D O I：

10.1016/j.molstruc.2018.09.055

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

New heteroleptic mononuclear complex [Ag(mpdtc)(PPh3)(2)] (1) and homoleptic polymeric complex [Zn(mpdtc)(2)](n) (2) have been synthesized from potassium 4-methyl piperazine-1-carbodithioate [K(mpdtc)]. The complexes have been characterized by elemental analyses, IR, NMR, UV-vis, thermal, cyclic voltammetry, and X-ray diffraction technique. Complexes 1 and 2 are fluorescent materials and exhibit emission maxima at around 32000 cm(-1) upon excitation at 39000 cm(-1). Thermogravimetric analysis of complexes as investigated by TG-DTA, suggests the formation of their respective metal sulfides as final thermally stable chemical entities. Electrochemical studies of silver(I) complex reveals the formation of silver nanoparticle which catalyses the oxidation of the ligand. The Ag(I) ion adopts a distorted tetrahedral geometry in complex 1 and the geometry around Zn(II) ion in complex 2 is in halfway between square planar and trigonal bipyramidal. The crystal structures of complexes are stabilized by intermolecular C-H...S interactions. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：260 / 268

页数：9

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