Journal of Structural Chemistry ( IF 0.8 ) Pub Date : 2021-06-25 , DOI: 10.1134/s0022476621060147 E. P. Dudko , A. A. Sapianik , D. G. Samsonenko , V. P. Fedin
Abstract
As a result of the interaction of a heterometallic pivalate complex [Li2Zn2(py)2(piv)6] (piv– is the pivalate anion, py is pyridine) with a naphthalene-1,4-dicarboxylic acid (H2ndc) solution in DMF, heterometallic metal-organic framework (MOF) (H2NMe2)[Li5Zn4(DMF)2(Hndc)2(ndc)6]·11DMF·2H2O (1) is obtained. Dimethylammonium is formed due to the hydrolysis of DMF. During the synthesis, both complex fragmentation and complete maintenance of the initial tetranuclear heterometallic moiety {Li2Zn2} are observed. In the interaction of the same molecular complex with a nitroterephthalic acid solution (H2NO2-bdc), (H2NMe2)[LiZn(NO2-bdc)2]·0.5DMF·0.5H2O MOF (2) is formed in which there is a partial destruction of the initial framework with the formation of a binuclear unit {LiZn}. By the interaction of the heterometallic [Zn2Eu(phen)2(OH)(piv)4(NO3)2] (phen is phenanthroline) complex with the solution of 1,3,5-benzenetricarboxylic acid (H3btc) in DMF, homometallic framework polymer [Zn3(phen)3(btc)2]·DMF·3H2O (3) is obtained. Complete decomposition of the trinuclear heterometallic moiety is observed here.
中文翻译:
来自预合成异金属新戊酸盐络合物的新型金属-有机配位聚合物:合成和晶体结构
摘要
由于异金属新戊酸盐络合物 [Li 2 Zn 2 (py) 2 (piv) 6 ](piv –是新戊酸盐阴离子,py 是吡啶)与萘-1,4-二羧酸(H 2 ndc) 在 DMF 中的溶液,异金属金属有机骨架 (MOF) (H 2 NMe 2 )[Li 5 Zn 4 (DMF) 2 (Hndc) 2 (ndc) 6 ]·11DMF·2H 2 O ( 1) 得到。二甲基铵是由 DMF 水解形成的。在合成过程中,观察到复合物碎裂和初始四核异金属部分 {Li 2 Zn 2 } 的完全维持。在相同分子络合物与硝基对苯二甲酸溶液(H 2 NO 2 -bdc)的相互作用中,(H 2 NMe 2)[LiZn(NO 2 -bdc) 2 ]·0.5DMF·0.5H 2 O MOF ( 2 )形成其中初始框架部分破坏并形成双核单元 {LiZn}。通过异金属 [Zn 2 Eu(phen) 2(OH)(piv) 4 (NO 3 ) 2 ] (phen 是菲咯啉) 与 1,3,5-苯三甲酸 (H 3 btc) 在 DMF 中的溶液络合物,均金属骨架聚合物 [Zn 3 (phen) 3 (得到btc) 2 ]·DMF·3H 2 O( 3 )。这里观察到三核异金属部分的完全分解。