The title compound, (C(24)H(20)P)(2)[MnI(4)]·(CH(3))(2)CO, prepared from the reaction of manganese powder, iodine and tetra-phenyl-phospho-nium iodide in acetone shows a tetra-hedral complex anion [Mn-I = 2.6868 (5)-2.7281 (4) Å and I-Mn-I = 104.011 (13)-116.164 (15)°], two tetra-phenyl-phospho-nium cations and one mol-ecule of acetone.

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The title compound, C(18)H(16)O(2), was prepared by reduction of 2-(5,6,7,8-tetra-hydro-2-naphtho-yl)benzoic acid with zinc dust. The benzene ring in the tetra-hydro-naphthyl substituent is nearly perpendicular to the plane of the isobenzofuran-1(3H)-one ring [87.15 (4)°]. The cyclo-hexane unit has a half-chair conformation in which two methylene groups in the tetra-methyl-ene bridge are disord...

The cyclo-tetra-phosphate anion, [P(4)O(12)](4-), forms the title complex with cobalt(II) and quinolinium, {(C(9)H(8)N)(2)[Co(P(4)O(12))(H(2)O)(2)]·6H(2)O}(n). In the complex anion, the Co(II) ion, lying on an inversion center, is surrounded by four phosphate O atoms and two water mol-ecules in a slightly distorted octa-hedral geometry. The crystal structure consists of anionic ribbons of formu...

The Sn atom in the title compound, [Sn(C(4)H(9))(2)(C(7)H(14)NS(2))(2)], exists in a tetra-hedral C(2)S(2)Sn coordination geometry. The geometry is distorted towards skew-trapezoidal-bipyramidal owing to the proximity of the double-bond S atoms [Sn-S = 2.521 (2) and Sn⋯S = 2.933 (2) Å]. The Sn atom lies on a special position of mm2 site symmetry and the tin-bound n-butyl chain is disordered abo...

The N-heterocyclic ligand in the title compound, [Cu(NCS)(C(15)H(13)N(5)S(2))](n), coordinates to the Cu(I) atom through its pyridine N-donor site, and adjacent metal atoms are bridged by the thio-cyanate ion, forming a helical chain along the b axis. The geometry of the metal atom is tetra-hedral owing to a somewhat long intra-molecular Cu-S inter-action of 2.5621 (9) Å.

The title compound, C(14)H(6)O(7)·C(10)H(8)N(2), has been hydro-thermally synthesized. Structural ananlysis indicates that the crystals are produced by cocrystallization of naphthalene-1,4,5,8-tetra-carboxylic acid 1,8-anhydride and 4,4'-bipyridine (bpy) mol-ecules. The crystal packing is stabilized by inter-molecular O-H⋯N and C-H⋯O hydrogen bonds and π-π stacking inter-actions [centroid-centr...

Mono- and tetra-deprotonated 2-methylresorcinarene anions ( and ) as their trans-1,4-diammoniumcyclohexane inclusion complexes are reported. The mono-anion forms a fully closed dimeric capsule [·H2O·MeOH]2(2-) with a cavity volume of 165 Å(3) and as the guest with an extremely high packing coefficient, PC = 84.2%, while the tetra-anion forms a close-packed structure with two structurally isomer...