title: Tetra-butyl-ammonium hydrogen phenyl-arsonate-phenyl-arsonic acid (1/1).
abstract: The structure of the title salt adduct, (C(4)H(9))(4)N(+)·C(6)H(5)AsO(3)H(-)·C(6)H(5)AsO(3)H(2), features chains along the a axis comprising alternating hydrogen phenyl-arsonate anions and phenyl-arsonic acid mol-ecules linked by O-H⋯O hydrogen bonds.
authors.affiliation: School of Chemistry, Trinity College, Dublin 2,  Ireland.
authors.forename: Lukas
authors.initials: L
authors.lastname: Reck
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Schmitt