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Lithium tetrakis(pentafluorophenyl)borate : ウィキペディア英語版 | Lithium tetrakis(pentafluorophenyl)borate
| Section2 = }} Lithium tetrakis(pentafluorophenyl)borate is the lithium salt of the weakly coordinating anion (B(C6F5)4)−. Because of its weakly coordinating abilities, lithium tetrakis(pentafluorophenyl)borate makes it commercially valuable in the salt form for the starting material in polymerization reactions and electrochemistry. It is a water-soluble compound. ==Structure and properties== The anion is tetrahedral with B-C bond lengths of approximately 1.65 Angstroms. The salt has only been obtained as the etherate, and the crystallography confirms that four ether molecules are bound to the lithium cation, with Li-O bond lengths of approximately 1.95 Angstroms. This structure gives the Lithium ion a coordination number of 4 with a tetrahedral geometry.
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