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2,2'-Biimidazolium hexa-aqua-manganese(II) bis-(sulfate).

ABSTRACT: The title compound, (C(6)H(8)N(4))[Mn(H(2)O)(6)](SO(4))(2), was obtained by cocrystallization of 2,2'-biimidazolium sulfate and bis-(tetra-butyl-ammonium) tetra-chlorido-manganate(II). The asymmetric unit contains one isolated (SO(4))(2-) anion, one half of an octa-hedral [Mn(H(2)O)(6)](2+) dication and one half of a 2,2'-biimidazolium dication, each of which lies on an inversion centre. Mol-ecules are connected by a three-dimensional N-H⋯O and O-H⋯O hydrogen-bond network.

SUBMITTER: Kurawa MA

PROVIDER: S-EPMC2961928 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis(μ-carboxyl-atoethyl-phospho-nato)bis-[aqua-(2,2'-bipyridine)manganese(II)].

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Project description:The crystal structure of the title salt, [Mn(C(10)H(8)N(2))(H(2)O)(4)][Mn(2)(C(8)H(3)O(7)S)(2)(C(10)H(8)N(2))(2)(H(2)O)(4)]·4H(2)O, consists of mononuclear manganese(II) cations, dinuclear manganate(II) dianions and uncoordinated water mol-ecules. The dianion is located about an inversion center; the Mn(II) atom is coordinated by a 2,2'-bipyridine ligand, a sulfonatoisophthalate group, a water mol-ecule along with two bridging water mol-ecules in an octa-hedral geometry. The cation lies on a twofold rotation axis; the Mn(II) atom is coordinated by four water mol-ecules and a chelating 2,2'-bipyridine ligand in a distorted octa-hedral geometry. A partially overlapped arrangement between the bipyridine ligands and the aromatic ring of the sulfoisophthalate group of adjacent anions is observed; the distance (3.357 Å) indicates π-π stacking. Hydrogen bonds, with the water mol-ecules serving as hydrogen-bond donors, lead to a three-dimensional network architecture.

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| S-EPMC2979598 | biostudies-literature

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