(2,5-Di­methyl­imidazole){N,N′,N′′,N′′′-[porphyrin-5,10,15,20-tetra­yltetra­(2,1-phenyl­ene)]tetra­kis(pyridine-3-carboxamide)}manganese(II) chloro­benzene disolvate

In the title compound, the central Mn^II ion is coordinated by four pyrrole N atoms of the porphyrin core in the basal sites and one N atom of the 2,5-di­methyl­imidazole ligand in the apical site. Two chloro­benzene solvent mol­ecules are also present in the asymmetric unit.

Chlorido­[5,10,15,20-tetra­kis­(quinoline-7-carboxamido)­porphinato]iron(III)

The porphyrin macrocycle shows a characteristic ruffled-shape distortion. The central Fe^III cation (site symmetry 2) is coordinated in a fivefold manner, with four pyrrole N atoms of the porphyrin core in the basal sites and one Cl atom (site symmetry 2) in the apical position.

Poly[[{μ₂-5-[(di­methyl­amino)(thioxo)meth­oxy]benzene-1,3-di­carboxyl­ato-κ⁴O¹,O^1′:O³,O^3′}(μ_2-4,4′-di­pyridyl­amine-κ²N⁴:N^4′)cobalt(II)] di­methyl­formamide hemisolvate monohydrate]

The crystal structure of the title compound shows a layered arrangement parallel to the bc plane where [CoO₄N₂] octa­hedra are linked by dmtb^2– and dpa ligands.

(4-Butyl-1-ethyl-1,2,4-triazol-5-yl­idene)[(1,2,5,6-η)-cyclo­octa-1,5-diene](tri­phenyl­phosphane)iridium(I) tetra­fluorido­borate

The title triazole-based N-heterocyclic carbene iridium(I) cationic complex with a tetra­fluorido­borate counter-anion, crystallizes with two cations and two anions in the asymmetric unit. In the extended structure, non-classical C–H⋯F hydrogen bonds, one of which is notably short (H⋯F = 2.21 Å), link the cations and anions.

Triaceto­nitrile­(1,4,7-tri­methyl-1,4,7-tri­aza­cyclonona­ne)cobalt(II) bis­(tetra­phenyl­borate)

The title complex exhibits a distorted octa­hedral geometry about the cobalt centre. The divalent cobalt ion is surrounded by three aceto­nitrile solvento ligands and one tridentate tacn ligand.

trans-Di­aqua­tetra­kis­(tetra­hydro­furan-κO)iron(II) μ-carbonyl-tetra­deca­carbonyl­tetra­chlorido-μ-di­methyl­silanediolato-tetra­galliumtetra­iron(7 Ga–Fe)(Fe–Fe) tetra­hydro­furan tetrasolvate

The title compound consists of an octa­hedral iron(II) cation coordinated to two water mol­ecules (trans) with four tetra­hydro­furan (THF) ligands. Two additional THF mol­ecules are hydrogen bonded to each of the water mol­ecules. The dianion of the title compound is an organometallic butterfly complex with a di­methyl­siloxane core and two iron-gallium fragments.

Bis(8-hy­droxy­quinolinium) naphthalene-1,5-di­sulfonate tetra­hydrate

The crystal structure of the organic salt features classical hydrogen-bonding inter­actions involving the 8-hy­droxy­quinolinium cation, the naphthalene-1,5-di­sulfonate anion and the two water mol­ecules of crystallization.

6-[4-(tert-Butyl­dimethyl­sil­yloxy)phen­yl]-1-oxa­spiro­[2.5]hepta­ne

In the title compound, the O atom of the epoxide group has a pseudoaxial orientation and the dihedral angle between the cyclo­hexyl and benzene rings is 85.80 (8)°. The C—O—Si—C_t (t = tert-but­yl) torsion angle is −177.40 (14)°. In the crystal, pairwise C—H⋯O links connect the mol­ecules into inversion dimers featuring (8) loops.

2-(Pyridin-4-yl)-2,3-di­hydro-1H-naphtho­[1,8-de][1,3,2]di­aza­borinine

In the title compound, the pyridyl ring and the Bdan (dan = 1,8-di­aminona­phto) group subtend a dihedral angle of 24.57 (5)°. In the crystal, the mol­ecules make (28) hydrogen-bonding networks around the fourfold inversion axis, giving a cyclic tetra­mer. The mol­ecules form columnar stacks along the c axis.

Benzene-1,2,4,5-tetrol

Determination of the structure of benzene-1,2,4,5-tetrol