2D and 3D Supramolecular Assemblies from Bis(dipyridylamine) Ligands: Syntheses and Crystal Structures

Chem. J. Chinese Universities ›› 2011, Vol. 32 ›› Issue (9): 2204.

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2D and 3D Supramolecular Assemblies from Bis(dipyridylamine) Ligands: Syntheses and Crystal Structures

DING Cai-Xia¹, ZENG Fan-Hua², WANG Cheng¹, NI Jia³, NG Seik-Weng⁴, XIE Yong-Shu^1*

1. Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, China;
2. Department of Chemistry and Life Science, Xiangnan University, Chenzhou 423000, China;
3. Department of Chemistry, Shantou University, Shantou 515063, China;
4. Department of Chemistry, University of Malaya, Kuala Lumpur 50603, Malaysia

Received:2011-03-23 Revised:2011-06-10 Online:2011-09-10 Published:2011-08-11
Contact: XIE Yong-Shu E-mail:yshxie@ecust.edu.cn
Supported by:
国家自然科学基金(批准号: 21072060), 上海市教育委员会科研创新项目和高等学校博士学科点专项科研基金(批准号: 20100074110015)资助.

Abstract

Abstract: Starting from two bis(dipyridylamine) ligands containing 4,4'-dipyridylamine moieties, two novel coordination polymers, [CdL1Br2]n?n7.5H2O (L1 = N,N,N′,N′-tetrakis (4-pyridyl)-1,4-phenylenediamine) (1) and [Cu2L2(μ1,1,3-SCN)2]n?nMeOH (L2=N,N-di (2-pyridyl)-N',N'-di(4-pyridyl-1,4-phenylenediamine) (2), have been prepared under solvothermal conditions. They were characterized by elemental analyses, IR and X-ray single-crystal diffraction measurements. In complex 1, L1 utilizes all its pyridyl nitrogens to coordinate with four Cd(II) centers to afford a three-dimensional (3D) supramolecular assembly containing Kagome structures. Complex 2 has a 2D sheet structure composed of [CuSCN]∞ columns and bridging L2 ligands with SCN- coordinated in a rare μ1,1,3-bridging mode. It is noteworthy that the 2,2'-dipyridylamine unit of L2 is unexpectedly left noncoordinated.

Key words: Dipyridylamine, Coordination polymer, Crystal structure, Cu(Ⅰ), Cd(Ⅱ)

CLC Number:

O614

TrendMD:

DING Cai-Xia, ZENG Fan-Hua, WANG Cheng, NI Jia, NG Seik-Weng, XIE Yong-Shu*. 2D and 3D Supramolecular Assemblies from Bis(dipyridylamine) Ligands: Syntheses and Crystal Structures[J]. Chem. J. Chinese Universities, 2011, 32(9): 2204.

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2D and 3D Supramolecular Assemblies from Bis(dipyridylamine) Ligands: Syntheses and Crystal Structures

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