Structure Diversity of C<sub>2</sub>@Ag<sub><i>n</i></sub> Cages Consolidated by Heteroaromatic N-Donor Ligands in Silver Ethynediide Complexes
作者:Ting Hu、Thomas C. W. Mak
DOI:10.1021/cg401150t
日期:2013.11.6
Seven new silver ethynediide complexes containing ancillary heteroaromatic N-donor ligands, namely, Ag2C2 center dot AgCF3CO2-(bipyH)(CF3CO2)-H2O (1), Ag2C2.7AgCF3CO2 center dot(H3O)(CF3CO2)center dot 2(bipyH(2))(CF3CO2)(2)center dot 3H(2)O (2), 2Ag(2)C(2)center dot 8AgCF(3)CO(2)center dot 6L(1) (L-1 = pyrazole) (3), Ag2C2 center dot 4AgCF(3)CO(2)center dot 2L(2) (L-2 (=) 3,5-dimethylpyrazole) (4), Ag2C2 center dot 4AgCF(3)CO(2)center dot 2L(3) (L-3 = 1,2,4-triazole) (5), Ag2C2 center dot 10AgCF(3)CO(2)center dot 2L(4) (L-4 = 4,5-dihydro-3-(4pyridinyl)-2H-benz(g)-indazole) (6), and Ag2C2.5AgCF3CO2 center dot 2(H3O)(CF3CO2)center dot 3(AgL25)(CF3CO2)center dot 2((LH)-H-5)(CF3CO2)center dot 2(H2O) (L-5 = benzimidazole) (7) have been synthesized under hydrothermal conditions and characterized by single crystal X-ray analysis. Directed by N-donor ligands of different bulkiness and disposition of coordinating sites, various silver chain-type architectures (compounds 1 and 3-6) and discrete molecular structures (2 and 7) were assembled. In the case of 1 and 2, the influence of nonincorporated additive agents (NH4)(2)HPO4 and H2C2O4 center dot H2O on product formation was also investigated.