Mononuclear Mn(II), Co(II), and Cu(II) pivalates

Elena Fursova; Galina Romanenko; Renad Sagdeev; Victor Ovcharenko

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Mononuclear Mn(II), Co(II), and Cu(II) pivalates

机译：单核锰（II），钴（II）和铜（II）新戊酸酯

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Mononuclear Mn(II), Co(II), and Cu(II) pivalates were synthesized for the first time. They were isolated as salts with a composition NBu_4[MPiv_3], where Piv is the pivalate anion. In the structure of the [MnPiv_3] and [CoPiv_3] coordination units, the environment of the central atom was found to be close to a trigonal prism. In [CuPiv_3], the distorted square environment of Cu is formed by one bidentate O,O'-Piv and two monodentate Piv's; the second O atoms of monodentate Piv's tend to occupy the positions close to the apical positions of the elongated octahedron. An X-ray diffraction study of NBu_4[CoPiv_3] and NBu_4[CuPiv_3] crystals showed strong disordering of the O atoms of the coordinated carboxylate groups at room temperature, which was suppressed when NBu_4[CoPiv_3] was cooled to 85 K and NBu_4[CuPiv_3] to 30 K. In the synthesis of NBu_4[CoPiv_3] and NBu_4[CuPiv_3], new compounds, namely, tetranuclear (NBu_4)_2[Co_4Piv8(AcO)_2(H_2O)_4] and (NBu_4)_2[Cu_4Piv_8(AcO)_2(H_2O)_2], respectively, formed along with the major product.

机译：首次合成了单核新戊酸锰（II），钴（II）和铜（II）。它们被分离为盐，组成为NBu_4 [MPiv_3]，其中Piv为新戊酸酯。在[MnPiv_3]和[CoPiv_3]配位单元的结构中，发现中心原子的环境接近三角棱镜。在[CuPiv_3]中，Cu的扭曲方形环境由一个双齿的O，O'-Piv和两个单齿的Piv's形成;单齿Piv的第二个O原子趋于占据接近于细长八面体顶端位置的位置。 NBu_4 [CoPiv_3]和NBu_4 [CuPiv_3]晶体的X射线衍射研究显示，在室温下，配位羧酸酯基团的O原子具有很强的无序性，当NBu_4 [CoPiv_3]冷却至85 K和NBu_4 [CuPiv_3]时，这种无序现象得到抑制。 ]到30K。在合成NBu_4 [CoPiv_3]和NBu_4 [CuPiv_3]时，新的化合物，即四核（NBu_4）_2 [Co_4Piv8（AcO）_2（H_2O）_4]和（NBu_4）_2 [Cu_4Piv_8（AcO） _2（H_2O）_2]分别与主要产物一起形成。

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来源
《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2014年第null期|共5页
作者
Elena Fursova; Galina Romanenko; Renad Sagdeev; Victor Ovcharenko;
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正文语种 eng
中图分类无机化学;
关键词
Manganese(II); Copper(II); Cobalt(II); Pivalate; X-ray analysis;

机译：锰（II）;铜（II）;钴（II）;新戊酸酯;X射线分析;

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1. Mononuclear Mn(II), Co(II), and Cu(II) pivalates [J] . Elena Fursova, Galina Romanenko, Renad Sagdeev, Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2014,第Null期

机译：单核锰（II），钴（II）和铜（II）新戊酸酯
2. Mn/Ce clusters from the use of pivalate and chelate ligands: Mn~(III) _8Ce~(IV),Mn~(III)_2Ce~(IV)_2, and Mn~(III)_4Ce~(III)_2 products [J] . Constantina Papatriantafyllopoulou, Khalil A. Abboud, George Christou Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2013,第Null期

机译：通过使用新戊酸酯和螯合物配体形成Mn / Ce簇：Mn〜（III）_8Ce〜（IV），Mn〜（III）_2Ce〜（IV）_2和Mn〜（III）_4Ce〜（III）_2产物
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Mononuclear Mn(II), Co(II), and Cu(II) pivalates

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