A long-standing structural puzzle resolved: the crystal structure of [Ag2(TpMe,Me)2] [where TpMe,Me is hydrotris(3,5-dimethyl-pyrazolyl)borate] |
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| Institution: | 1. Institutes of Physical Science and Information Technology, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui, 230601, China;2. School of Chemistry and Chemical Engineering, Key Laboratory of Inorganic Functional Material, Huangshan University, Huangshan 245041, Anhui, 230601, China;3. School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China |
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| Abstract: | The crystal structure of the simple 1:1 complex of Ag(I) with hydrotris(3,5-dimethylpyrazolyl)borate (TpMe,Me) has been shown to be an asymmetric dimer, in which each TpMe,Me ligand bridges both metals by coordinating two pyrazolyl donors to one Ag(I) centre and one to the other, such that to a first approximation one Ag(I) is four coordinate and the other is two coordinate. However two of the pyrazolyl donors around the `four-coordinate' metal centres are also involved in weak, asymmetric bridging interactions with the `two-coordinate' metal centres. This is in contrast to the structure of the Cu(I) analogue Cu2(TpMe,Me)2] in which both Cu(I) ions are three coordinate. |
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