The synthesis and characterization of compound [Rh(2)(O(2)CEt)(4)(H(2)O)(2)] (1) and one-dimensional heterobimetallic polymers K(n){Rh(2)(O(2)CEt)(4)[Au(CN)(2)]}(n) (2) and K(n){Rh(2)(O(2)CMe)(4)[Au(CN)(2)]}(n)·4nH(2)O (3), constructed from dirhodiumtetracarboxylato units, [Rh(2)(O(2)CR)(4)](+), and dicyanoaurate, [Au(CN)(2)](-), fragments are described. In both compounds 2 and 3 the resulting polymeric chains are nonlinear and have in common similar structural parameters, although the solid state supramolecular arrangement is very different. These structural differences explain the fact that complex 2 displays aurophilic interactions while this type of interactions are absent in complex 3. As a result, compound 2 shows rich blue luminescent properties whereas compound 3 is not luminescent. The electrical conductivity in solid state of compounds 2 and 3 is also studied.
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Acta Crystallogr C Struct Chem
June 2024
Thammasat University Research Unit in Multifunctional Crystalline Materials, and Applications (TU-MCMA), Faculty of Science and Technology, Thammasat University, Pathum Thani, 12121, Thailand.
Reacting trimesic acid (HTMA, CHO) with CaCl and MCl at 110 °C under hydrothermal conditions gave the isostructural heterobimetallic coordination polymers (CPs) catena-poly[[tetraaquazinc(II)]-μ-5-carboxybenzene-1,3-dicarboxylato-[tetraaquacalcium(II)]-μ-5-carboxybenzene-1,3-dicarboxylato], [CaZn(HTMA)(HO)], 1, and catena-poly[[tetraaquacobalt(II)]-μ-5-carboxybenzene-1,3-dicarboxylato-[tetraaquacalcium(II)]-μ-5-carboxybenzene-1,3-dicarboxylato], [CaCo(HTMA)(HO)], 2. Compounds 1 and 2 crystallize in the monoclinic space group C2/c. The solid-state structures consist of eight-coordinate Ca ions and six-coordinate M ions.
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January 2024
Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT) Engesserstraße 15 D-76131 Karlsruhe Germany
Synthesis and characterization of Lewis base free coordination polymers of selected lanthanides are presented. For this purpose, the substituted Cot ligand (Cot = 1,4-bis-triisopropylsilyl-cyclo-octatetraendiide) was used to synthesize homoleptic, anionic multidecker compounds of the type [K{Ln(ɳ-Cot)}]. Depending on the solvent used for crystallization and the ionic radii of the lanthanide cations, three different categories of one-dimensional heterobimetallic coordination polymers were obtained in the solid state.
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January 2024
Dipartmento di Chimica, Biologia e Biotecnologie, Università Degli Studi Di Perugia Via Elce di sotto, 8 06123 Perugia Italy
Inorg Chem
April 2023
Suzhou Key Laboratory of Novel Semiconductor-Optoelectronics Materials and Devices, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, People's Republic of China.
A heterobimetallic coordination polymer [Au(dppmt)(AgCl)] () incorporating an generated P-S ligand (dppmtH) was synthesized from the solvothermal reaction of Au(tht)Cl, AgCl, and dpppyatc in CHCN/CHCl (dppmtH = (diphenylphosphino)methanethiol, tht = tetrahydrothiophene, dpppyatc = ,-bis((diphenylphosphaneyl)methyl)--(pyridin-2-yl)-amino-thiocarbamide). The structure of contains a one-dimensional helical Au-Au chain in which the unique [AuAgS] cluster units are connected by [Au(dppmt)] dimers. Upon excitation at 343 nm, exhibited cyan (495 nm) phosphorescent emission at quantum yield (QY) = 22.
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February 2023
Nikolaev Institute of Inorganic Chemistry SB RAS, 3 Lavrentiev Avenue, 630090 Novosibirsk, Russia.
Two novel heterobimetallic compounds {[Mn(SB)M(CN)]·4HO} (SB = N,N'-ethylenebis(5-trimethylammoniomethylsalicylideneiminate) based on orbitally degenerate cyanidometallates [Os(CN)] () and [Ru(CN)] () and Mn Schiff base complex were synthesized and characterized structurally and magnetically. Their crystal structures consist of electrically neutral, well-isolated chains composed of alternating [M(CN)] anions and square planar [Mn(SB)] cations bridged by cyanide groups. These -ion magnetic anisotropy of Mn centers.
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