New rigid angular dicarboxylic acid for the construction of nanoscopic supramolecules: From a molecular rectangle to a 1-D coordination polymer

被引:73
作者
Cui, Y [1 ]
Ngo, HL [1 ]
Lin, WB [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
D O I
10.1021/ic015627c
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new rigid angular bridging ligand, 7-oxa-dibenzofluorene-3,11-dicarboxylic acid (H2L), was synthesized by cyanation of known rac-6,6'-dibromo-1,1'-bi-2-naphthoI followed by ring closure and hydrolysis with concentrated sulfuric acid and used for the self-assembly of nanoscopic molecular rectangle [Cu-4(L)(4)(Py)(8)].2DMF.10H(2)O, 1, and 1-D coordination polymer [Co-2(L)(2)(PY)(4)].2DMF.2H(2)O, 2. Both 1 and 2 contain open channels occupied by DMF and water guest molecules. Crystal data for 1: triclinic, space group P (1) over bar, a = 8.869(2) Angstrom, b = 16.437(3) Angstrom, c = 21.586(4) Angstrom, alpha = 78.18(3)degrees, beta = 79.19(3)degrees, gamma = 83.66(3)degrees, U = 3017.0(11) Angstrom(3), and Z = 1. Crystal data for 2: triclinic, space group P (1) over bar, a = 8,254(2) Angstrom, b 12,154(2) Angstrom, c = 15.348(3) Angstrom, alpha = 95.34(3)degrees, beta = 93.38(3)degrees, gamma = 94.37(3)degrees, U = 1525.1(5) Angstrom(3), and Z = 1.
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页码:1033 / 1035
页数:3
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