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BTA copper complexes.
The reaction of Cu(2+) ions in aqueous ammonia solution with bis(tetrazolyl)amine (H(2)bta) was investigated and three complexes were obtained; some physicochemical properties of these complexes with respect to high-energetic materials are discussed. Expand
Structural complexity in metal-organic frameworks: simultaneous modification of open metal sites and hierarchical porosity by systematic doping with defective linkers.
The DEMOFs exhibit promising modified physical properties, including band gap, magnetism, and porosity, with hierarchical micro/mesopore structures correlated with the nature and the degree of defective linker incorporation into the framework. Expand
The ligand-based quintuple bond-shortening concept and some of its limitations.
The ligand-based concept of shortening quintuple bonds and some of its limitations are reported and a chromium-arene sandwich complex structurally related to the classic dibenzene chromium complex was observed, even when bulkier substituents are introduced at the central carbon atom of the used guanidinato ligand. Expand
Complete Two‐Step Spin‐Transition in a 1D Chain Iron(II) Complex with a 110‐K Wide Intermediate Plateau
Three new spin crossover compounds [FeL1(azpy)] (1), [FeL1(azpy)]·toluene [1(tol)] and [FeL2(azpy)] (2), where L1 and L2 are the tetradentate N2O22– coordinating Schiff base like ligands {diethylExpand
Proton-driven coordination-induced spin state switch (PD-CISSS) of iron(ii) complexes.
The completely reversible spin state switch of the naturally diamagnetic tris(bipyridine)iron(ii) complex is reported by the variation of the pH followed by 1H-NMR, UV-Vis spectroscopy, and magnetic and relaxivity measurements in solution and as composite materials encapsulated in a zeolite matrix. Expand
A detailed investigation into the electronic structures of macrocyclic iron(II)-nitrosyl compounds and their similarities to ferrous heme-nitrosyls
Abstract This paper presents vibrational (IR and FT-Raman) and electronic (UV–Vis absorption and magnetic circular dichroism (MCD)) spectra of the five-coordinate (5C) low-spin ferrous iron-nitrosylExpand
Magnetism and crystal structure of an N3O3-coordinated iron(II) complex.
This is the first example of an octahedral complex of this multidentate ligand type with two different axial ligands, and the title compound can be considered as a precursor for a new class of complexes with potential spin-crossover behavior. Expand
An iron(II) spin-crossover complex with a 70 K wide thermal hysteresis loop.
Hydrogen bonds are used as intermolecular contacts in SCO complexes with N4O2 coordination spheres to transmit cooperative interactions through H bonds, as these should be stronger than van der Waals contacts but more flexible than covalent linkers. Expand
Spin crossover complexes with N4O2 coordination sphere—The influence of covalent linkers on cooperative interactions
Abstract About 10 years ago Jager and co-workers demonstrated the possibility of preparing an iron(II) spin crossover complex of a Schiff-base like N2O2 coordinating ligand in combination withExpand
Influence of Hydrogen Bonding on the Hysteresis Width in Iron(II) Spin-Crossover Complexes
A detailed investigation on the properties of the high-temperature and low-temperature modifications of the iron(II) spin-crossover complex [FeL1(HIm)2] (1) and its isotopic deuterium-labelledExpand