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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Molecular, 1D and 2D assemblies from hexakis(3-pyridyloxy)cyclophosphazene containing 20-membered metallamacrocyclic motifs
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Molecular, 1D and 2D assemblies from hexakis(3-pyridyloxy)cyclophosphazene containing 20-membered metallamacrocyclic motifs

机译:六(3-吡啶氧基)环磷腈的分子,1D和2D装配体,包含20元金属lamcrocrocyclic基序

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摘要

The coordination behaviour of hexakis(3-pyridyloxy)cyclophosphazene (L) towards divalent metal ions is described. The reaction of L with hydrated metal nitrates afforded [{N3P3(O-C5H4N-3)(6)}(2){Zn-(H2O)(3)(NO3)}(2){Zn(H2O)(2)(NO3)}(2)](n)[NO3](2n)center dot 4nH(2)O center dot nCH(3)OH (1), [{N3P3(O-C5H4N-3)(6)}(2){Zn(H2O)(3)(NO3)}(2){Cu-(NO3)}(2)](n)[NO3](2n)center dot 4nH(2)O center dot nCH(3)CN (2), [{N3P3(O-C5H4N-3)(6)}(2){(NO3)Cd-(mu-(NO3)-Cd(NO3)(2)(mu-(NO3)Cd-(NO3)}](n)center dot 2nCH(3)OH center dot 3nH(2)O (3), and [{N3P3(O-C5H4N-3)(6)}(2){Cd(H2O)(3)(NO3)}(2)][NO3](2)center dot 9H(2)O (4). 1 and 2 are one-dimensional coordination polymers while 3 is a two-dimensional coordination polymer. On the other hand 4 is a molecular metallamacrocycle. A common feature of 1-4 is the presence of a 20-membered dimetallamacrocyclic motif constructed through the involvement of a pair of cyclophosphazene ligands through their geminal pyridyloxy substituents. The P-N bond distances in L and its metal complexes 1-4 are nearly the same indicating the flexible nature of the coordination pyridyloxy arms present on the cyclophosphazene scaffold.
机译:描述了六(3-吡啶氧基)环磷腈(L)对二价金属离子的配位行为。 L与水合金属硝酸盐反应得到[{N3P3(O-C5H4N-3)(6)}(2){Zn-(H2O)(3)(NO3)}(2){Zn(H2O)(2) (NO3)}(2)](n)[NO3](2n)中心点4nH(2)O中心点nCH(3)OH(1),[{N3P3(O-C5H4N-3)(6)}( 2){Zn(H2O)(3)(NO3)}(2){Cu-(NO3)}(2)](n)[NO3](2n)中心点4nH(2)O中心点nCH(3) CN(2),[{N3P3(O-C5H4N-3)(6)}(2){(NO3)Cd-(mu-(NO3)-Cd(NO3)(2)(mu-(NO3)Cd- (NO3)}](n)中心点2nCH(3)OH中心点3nH(2)O(3)和[{N3P3(O-C5H4N-3)(6)}(2){Cd(H2O)( 3)(NO3)}(2)] [NO3](2)中心点9H(2)O(4)。1和2是一维配位聚合物,而3是二维配位聚合物。 4是分子金属环,1-4的共同特征是通过一对环磷腈配体通过其双吡啶氧基取代基的参与而构成的20元双金属环基序的存在L及其金属配合物中的PN键距离1 -4几乎相同,表明配位吡啶氧基氧基臂的柔性性质nt在环磷腈支架上。

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