An extremely rare example of asymmetric tetranuclear core {M4(l3-X)2(l-X)4} in a novel alkoxo-bridged heterometallic Cr/Cd complex

Valentyna V. Semenaka; Oksana V. Nesterova; Volodymyr N. Kokozay; Viktoriya V. Dyakonenko; Oleg V. Shishkin; Roman Boca; Julia Jezierska

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An extremely rare example of asymmetric tetranuclear core {M4(l3-X)2(l-X)4} in a novel alkoxo-bridged heterometallic Cr/Cd complex

机译：新型烷氧基桥杂金属Cr / Cd络合物中不对称四核核{M4（l3-X）2（l-X）4}的极为罕见的例子

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A novel heterometallic tetranuclear complex [Cr3Cd(NCS)4(H2tea)(Htea)3]·3CH3OH (1) has been prepared using cadmium oxide, Reinecke’s salt, ammonium thiocyanate and a methanol solution of triethanolamine (H3tea) in air. Crystallographic investigations reveal that the molecular structure of the complex is based on an uncommon asymmetric {Cr3Cd(m3-O)2(m-O)4} core with firstly observed terminal coordination of the NCS-groups in such molecular structure type. A network of O–HO hydrogen bonds as well as SS interactions link the molecules into a two-dimensional supramolecular network. Variable-temperature (1.8–300 K) magnetic susceptibility measurements show a change of the mB value at low temperature, indicative of antiferromagnetic interactions (J = -7.45 cm-1) between chromium(III) centers.

机译：使用氧化镉，Reinecke盐，硫氰酸铵和三乙醇胺（H3tea）的甲醇溶液，制备了一种新型的杂金属四核配合物[Cr3Cd（NCS）4（H2tea）（Htea）3]·3CH3OH（1）。晶体学研究表明，该配合物的分子结构是基于一种不常见的不对称{Cr3Cd（m3-O）2（m-O）4}核，并且首先观察到这种分子结构类型的NCS基团的末端配位。 O-HO氢键网络以及SS相互作用将分子连接成二维超分子网络。可变温度（1.8–300 K）磁化率测量结果表明，低温下mB值发生了变化，表明铬（III）中心之间的反铁磁相互作用（J = -7.45 cm-1）。

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《Dalton transactions: An international journal of inorganic chemistry》 |2010年第7期|共6页
作者
Valentyna V. Semenaka; Oksana V. Nesterova; Volodymyr N. Kokozay; Viktoriya V. Dyakonenko; Oleg V. Shishkin; Roman Boca; Julia Jezierska;
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正文语种 eng
中图分类化学;
关键词
heterometallic; chromium; alkoxo-bridged;

机译：杂金属;铬;烷氧基桥接;

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1. An extremely rare example of asymmetric tetranuclear core {M4(l3-X)2(l-X)4} in a novel alkoxo-bridged heterometallic Cr/Cd complex [J] . Valentyna V. Semenaka, Oksana V. Nesterova, Volodymyr N. Kokozay, Dalton transactions: An international journal of inorganic chemistry . 2010,第7期

机译：新型烷氧基桥杂金属Cr / Cd络合物中不对称四核核{M4（l3-X）2（l-X）4}的极为罕见的例子
2. Mixed carboxylate/catecholate bridged polynuclear complexes. Tetranuclear linear arrays and pentanuclear clusters with [M4M ' O-8](3+) cores (M=Fe2+, Mn+2; M '=Fe3+, Mn+3). Rare examples of dodecahedrally coordinated, first row, trivalent metal ions [J] . Reynolds RA., Coucouvanis D. Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 1998,第2期

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3. Chiral tetranuclear mu(3)-alkoxo-bridged Copper(II) complex with 2+4 cubane-like Cu4O4 core framework and ferromagnetic ground state [J] . Burkhardt A, Spielberg ET, Gorls H, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2008,第7期

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4. Experimental and numerical analysis of magnetic susceptibility of the tetranuclear heterometallic SMM complexes Me_2~()Fe_2~()(L)_4(OH)_2·EtOH)_2·(Et_2O)_2, Me = Co, Ni with dicubane structure [C] . D Starichenko, Yu Shvachko, A Anokhin, Euro-Asian Symposium "Trends in Magnetism" . 2020

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5. Self-assembly and host-guest chemistry of cationic titanium and mixed, neutral-charged, platinum(II) and palladium(II) macrocyclic tetranuclear complexes. [D] . Whiteford, Jeffery Alan. 1997

机译：阳离子钛以及混合的，中性电荷的铂（II）和钯（II）大环四核配合物的自组装和客体化学。
6. Cyclometalated Ir(III) Complex as a Metalloligandand a Selective Cu(II) Sensor: Synthesis and Structural Characterizationof a Heterometallic Tetranuclear Ir(III)/Cu(II) Complex [O] . Vadapalli Chandrasekhar, *, Bani Mahanti, 2018

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7. Magnetic Property and Crystal Structure of Alkoxo-bridged Bi- and Tetranuclear Copper(II) Complexes with Condensation Products of 3-Ethoxymethylene-2,4-pentanedione and Amino Alcohols [O] . Naohide Matsumoto, Toshihiro Tsutsumi, Akira Ohyoshi, 1983

机译：烷氧基桥接的双核和四核铜（II）配合物的磁性和晶体结构与3-乙氧基亚甲基-2,4-戊酰胺和氨基醇的缩合产物

An extremely rare example of asymmetric tetranuclear core {M4(l3-X)2(l-X)4} in a novel alkoxo-bridged heterometallic Cr/Cd complex

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