title: A monomeric selenium(IV) diimide and a dimeric seleninylamine.
abstract: The selenium(IV) diimide AdN=Se=NAd (Ad = 1-adamantyl) adopts a monomeric structure with a Z,E configuration in the solid state whereas the seleninylamine OSe(mu-NBut)2SeO crystallizes as the cis-dimer.
authors.affiliation: Department of Chemistry, University of Oulu, P.O. Box 3000, FIN-90401, Oulu, Finland.
authors.forename: Tiina
authors.initials: T
authors.lastname: Maaninen
authors.forename: Risto
authors.initials: R
authors.lastname: Laitinen
authors.forename: Tristram
authors.initials: T
authors.lastname: Chivers