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3D semiconducting Co-MOFs based on 5-(hydroxymethyl)isophthalic acid and imidazole derivatives: syntheses and crystal structures.
Acta Crystallographica Section C ( IF 0.7 ) Pub Date : 2020-04-17 , DOI: 10.1107/s2053229620004970
Zhong Xuan Xu 1 , Chun Yan Ou 1 , Chun Xue Zhang 1
Affiliation  

Two three‐dimensional cobalt‐based metal–organic frameworks with 5‐(hydroxymethyl)isophthalic acid (H2HIPA), namely poly[[μ2‐1,4‐bis(2‐methyl‐1H‐imidazol‐1‐yl)benzene‐κ2N3:N3′][μ2‐5‐(hydroxymethyl)isophthalato‐κ2O1:O3]cobalt(II)], [Co(C9H6O5)(C14H14N4)]n (1), and poly[tris[μ2‐1,4‐bis(1H‐imidazol‐1‐yl)benzene‐κ2N3:N3′]bis[μ3‐5‐(hydroxymethyl)isophthalato‐κ2O1:O3:O5]dicobalt(II)], [Co2(C9H6O5)2(C12H10N4)3]n (2), were synthesized under similar hydrothermal conditions. Single‐crystal X‐ray diffraction analyses revealed that 5‐(hydroxymethyl)isophthalate (HIPA2−) and 1,4‐bis(2‐methyl‐1H‐imidazol‐1‐yl)benzene (1,4‐BMIB) are simple linkers connecting cobalt centres to build a fourfold interpenetration dia framework in complex 1. However, complex 2 is a pillared‐layer framework with a (3,6)‐connected network constructed by 1,4‐bis(1H‐imidazol‐1‐yl)benzene (1,4‐DIB) linkers, 3‐connected HIPA2− ligands and 6‐connected CoII centres. The above significant structural differences can be ascribed to the introduction of the different auxiliary N‐donor ligands. Moreover, UV–Vis spectroscopy and Mott–Schottky measurements confirmed that complexes 1 and 2 are typical n‐type semiconductors.

中文翻译:

基于5-(羟甲基)间苯二甲酸和咪唑衍生物的3D半导体Co-MOF:合成和晶体结构。

5-(羟甲基)间苯二甲酸二三维基于钴的金属-有机骨架(H 2 HIPA),即聚[[μ 2 -1,4-双(2-甲基-1- ħ -咪唑-1-基)苯κ 2 ñ 3ñ 3' ] [μ 2 -5-(羟甲基)isophthalato-κ 2 ø 1Ò 3 ]钴(II)],[CO(C 9 H ^ 6 ø 5)(C 14 ħ 14 ñ 4)] ñ1),和聚[三[μ 2 -1,4-双(1- ħ咪唑-1-基)苯κ 2 Ñ 3Ñ 3' ]双[μ 3 -5-(羟甲基)isophthalato-κ 2 ø 1Ö 3ø 5 ]羰基二钴(II)],[CO 2在相似的水热条件下合成了(C 9 H 6 O 52(C 12 H 10 N 43 ] n2)。单晶X射线衍射分析表明,5-(羟甲基)间苯二甲酸(HIPA 2-)和1,4-双(2-甲基-1 H-咪唑-1-基)苯(1,4-BMIB)是连接钴中心以在复合物1中建立四重互穿直径骨架的简单连接子。但是,复合物2是具有(3,6)连接网络的支柱层框架,该网络由1,4-双(1 H-咪唑-1-基)苯(1,4-DIB)接头(3连接)构成HIPA 2-配体和6连接的Co II中心。上述显着的结构差异可归因于引入不同的辅助N供体配体。此外,UV-Vis光谱和Mott-Schottky测量证实了配合物12 是典型的n型半导体。
更新日期:2020-04-17
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