title: Bis(2-methyl-anilinium) diaqua-bis[dihydrogendiphosphato(2-)]cobaltate(II).
abstract: In the title cobalt(II) complex with 2-methyl-anilinium and diphosphate, (C(7)H(10)N)(2)[Co(H(2)P(2)O(7))(2)(H(2)O)(2)], a three-dimensional network is built up from anionic layers of [Co(H(2)P(2)O(7))(2)(H(2)O)(2)](2-) units and 2-methyl-anilinium cations located between these layers. The dihydrogendiphosphate groups present a bent eclipsed conformation, while the Co(2+) ions lie on inversion centers. An intricate network of O-H⋯O and N-H⋯O hydrogen bonds is established between the different components, assuring the cohesion of the network with other inter-actions, being of electrostatic and van der Waals nature.
authors.affiliation: Laboratoire de Chimie des Matériaux, Faculté des Sciences de Bizerte, 7021 Zarzouna Bizerte, Tunisia.
authors.forename: Ahmed
authors.initials: A
authors.lastname: Selmi
authors.forename: Samah
authors.initials: S
authors.lastname: Akriche
authors.forename: Mohamed
authors.initials: M
authors.lastname: Rzaigui