The reaction of the polydentate N-donor ligands bmtz, H2bmtz, and bptz with various silver salts was investigated. New 1D coordination polymers [Ag2(bmtz) (ClO4)]ClO4 (1), [Ag(bmtz)]ClO4·MeCN (2), [{Ag(tcm)}2(H2bmtz)(MeCN)] (3) [Ag(bptz)(NO3)] (5), 2-D sheet structures, [{Ag(tcm)}2bmtz] (4), were synthesized. structures are built up through combination bonds, hydrogen bonding, Ag–π, π–π, anion–π interactions to generate new supramolecular architectures. structure protonated amine salt...

The isolation of multinuclear lanthanoid clusters with different nuclearities and geometries commenced as a serendipitous discovery is now the focus intense research, not only from coordination chemistry point view, but also in variety applied fields. This perspective analyses structural library reported hydroxo to find trends linking their motifs factors such specific lanthanoid, bulkiness outer shell ligands, coordinating nature synthetic methodology. While are indeed starting appear, does...

Combining copper(II) chloride, 4-(1H-pyrazol-3-yl)pyridine and triethylamine in dimethylformamide (DMF) results the instantaneous formation of a metallogel with as little 0.51 wt% gelator. The was found to encapsulate luminescent lanthanide cluster, yielding metallogel.

The heptadentate Schiff base ligand, 2-(2-hydroxyphenyl)-1,3-bis[4-(2-hydroxyphenyl)-3-azabut-3-enyl]-1,3-imidazoline (H333api), yields [Ln2api2] species when combined with lanthanide salts under basic conditions. A survey of the magnetic properties this dinuclear motif (Ln = Gd, Tb, Dy, Ho) has identified weak exchange, antiferromagnetic in nature for isotropic gadolinium analogue, while single molecule behaviour is displayed case anisotropic dysprosium complex.

The variable-length azacrown ether bridging ligand N,N′-bis(3-pyridyl-methyl)diaza-18-crown-6 (b3pmdc) was reacted with cuprous iodide to give a range of new discrete and polymeric coordination compounds. Six structurally diverse CuI(b3pmdc) architectures were isolated, as well single oxidized CuII(b3pmdc) species. These include the helical one-dimensional (1D) chain [H4b3pmdc][Cu10I14]·CHCl3·2H2O (1), luminescent linear cluster [Cu4I6(H2b3pmdc)] (2), guest water containing network...

The treatment of ortho ring-functionalised 1-phenylbutane-1,3-dione ligands bearing nitro (Hnpd, Hnmc), methoxy (Hmmc) or fluoro (Hfpp) groups with hydrated lanthanoid salts has provided [Er4(μ3-OH)4(H2O)2(npd)8] (3), [Ln4(μ3-OH)4(nmc)8] (Ln = Gd (4), Tb (5), Dy (6) and Er (7)), [Er4(μ3-OH)4(mmc)8] (8) [Er4(μ3-OH)4(H2O)2(fpp)8] (9), respectively. products were all obtained as cubane clusters in the solid state, distinct from previous diketonato clusters, control over motif formation...

This article showcases recent advancements made using crystalline molecular flasks and the widening list of prospective applications for sponge method. expansion has coincided with an increasing number materials termed sponges, a report predictive means identifying candidates from crystallographic databases. The method's primary application been determination absolute configuration, this evolved analysis carefully chosen planar aromatic guests to more diverse identification natural products,...

Valence tautomeric interconversion (VTI) is a reversible process occurring in metal complexes which an intramolecular metal-ligand electron transfer accompanied by change of ion spin state, creating two switchable electronic states (redox isomers). Herein, we describe the low-temperature, 30-100 K, single-crystal study [Co(diox)2(4-CN-py)2]·benzene complex (1) (diox = 3,5-di-t-butylsemiquinonate (SQ•-) and/or 3,5-di-t-butylcatecholate (Cat2-) radical; 4-CN-py 4-cyano-pyridine) using hard...

The uptake of gaseous iodine into the crystalline sponge material [(ZnI2)3(tpt)2]·0.7triphenylene·0.3PhNO2·0.7C6H12 1 (tpt = 2,4,6-tris(4-pyridyl)-1,3,5-triazine) has been monitored by dynamic X-ray diffraction and thermogravimetric analysis. analyses have enabled location, quantity, rate, subsequent chemistry upon inclusion pores to be determined. An 6.0 wt % (0.43 I2 per formula unit) was observed crystallographically over a period 90 min before crystal degradation occurred. included...

Ionic transport and ‘ionic diode’ phenomena in a zeolitic imidazolate framework (ZIF-8) are investigated by directly growing the as an asymmetric plug poly-ethylene-terephthalate (PET) film.

Sequestration of peroxide derived from molecular oxygen has resulted in the templated synthesis a terbium picolinate cluster, isolated as 2D sodiated network solid state. This first example an air-stable rare-earth cluster represents key evidence for peroxide-containing intermediate rare-earth-cluster-catalyzed oxidation reactions. Luminescent and magnetic properties have also been investigated.

Abstract The reaction of a thiophene‐containing ligand, ( Z )‐3‐hydroxy‐3‐phenyl‐1‐(thiophen‐2‐yl)prop‐2‐en‐1‐one (Hhtp), with hydrated lanthanoid chloride salts has resulted in the isolation two tetranuclear clusters, [Ln 4 (μ 3 ‐OH) 2 {(μ‐O)‐κ ‐htp} {(μ‐O) ‐κ (κ ‐htp) 6 ] = Nd 1 ), Eu )] and an erbium pentanuclear cluster, [Er 5 ‐OH){(μ‐O)‐κ ). clusters have been characterised by elemental analysis, mass spectrometry, infrared spectroscopy X‐ray single‐crystal structural determination....

Ladder network, [Pb(ebdc)(MeOH)]₂·H₂O, undergoes a facile SCSC transformation to yield [Pb(ebdc)] with 20% contraction of the crystallographic<italic>b</italic>axis.

Postsynthetic modification (PSM) of amino-functionalized metal-organic frameworks (MOFs) to those bearing pendant β-amidoketone arms using diketene is herein reported. Three unique MOF families demonstrate the scope this transformation, which both atom-economical and yields high conversions. In each case, crystallinity was retained, instances exceptional solid-state ordering were observed in PSM products, has allowed detailed crystallographic characterization multiple instances.

Abstract A vapor‐induced cyclization has been observed in the host environment of a crystalline molecular flask (CMF), within which 1,8‐bis(2‐phenylethynyl)naphthalene (bpen), diarenynyl system primed for cyclization, was exposed to iodine vapor yield corresponding indeno[2,1‐α]phenalene species. The process, unique its vapor‐induced, solvent‐free nature, followed spectroscopically, and found occur concurrently with displacement lattice solvent CMF⋅0.75 bpen⋅2.25 CHCl 3 ⋅H 2 O. occurred...

The influence of weak hydrogen bonds on the crystal packing a series heavy and transition metal coordination polymers synthesized using ligand 5-ethynyl-1,3-benzenedicarboxylic acid (H2ebdc) has been evaluated. Five were prepared crystallographically characterized. These comprise two 1D chains, [Pb(ebdc)(DMSO)2] (1) [Pb(ebdc)(DMF)] (2), 2D nets, [Cu3(ebdc)(H2O)1.5(MeOH)0.5]·6H2O (3) [Pb2(ebdc)2(DMF)4]·H2O (4), single 3D framework,...

Sublimation of luminescent lanthanide complexes is shown here to be a facile means visualising latent fingerprints on nonporous surfaces.

Upconversion nanoparticles (UCNPs) are materials that, upon absorbing multiple photons of low energy (e.g. infrared radiation), subsequently emit a single photon higher energy, typically within the visible spectrum. The physics these have been subject detailed investigations driven by potential application as medical imaging devices. One largely overlooked UCNPs is forensic science, wherein ability to produce light from sources would result in new generation fingerprint powders that...

A series of MOFs containing di(4-pyridyl)-1<italic>H</italic>-pyrazole linkers have been prepared and characterised.

The Mannich reaction of the zirconium MOF [Zr