title: A new decaoxidooctaborate(2-) anion, [B8O10(OH)6](2-): synthesis and characterization of [Co(en)3][B5O6(OH)4][B8O10(OH)6)]·5H2O (en = 1,2-diaminoethane).
abstract: The synthesis and X-ray diffraction structure of [Co(en)3][B5O6(OH)4][B8O10(OH)6]·5H2O (1) are reported. Compound 1 arises through a selective-templating process from a Dynamic Combinatorial Library of polyborate anions. Compound 1 contains two different polyborate species, with [B8O10(OH)6](2-) being particularly novel. It is comprised of fused tetraborate and pentaborate anions with a 4-coordinate B atom and a 3-coordinate O atom in common.
authors.affiliation: School of Chemistry, Bangor University , Bangor, Gwynedd LL57 2UW, U.K.
authors.forename: Mohammed A
authors.initials: MA
authors.lastname: Altahan
authors.forename: Michael A
authors.initials: MA
authors.lastname: Beckett
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Coles
authors.forename: Peter N
authors.initials: PN
authors.lastname: Horton