title: P(8) (8-) polyanion with phosphorus atoms in three different formal oxidation states stabilized by a combination of Ag(+) and Hg(2+) cations.
authors.affiliation: Inorganic Synthesis Laboratory, Department of Chemistry, Moscow State University, Leninskie Gory 1/3, Moscow 119992, Russia.
authors.forename: Olga S
authors.initials: OS
authors.lastname: Oleneva
authors.forename: Tatiana A
authors.initials: TA
authors.lastname: Shestimerova
authors.forename: Evgeny V
authors.initials: EV
authors.lastname: Dikarev
authors.forename: Andrei V
authors.initials: AV
authors.lastname: Shevelkov