TOPOS3.2: a new version of the program package for multipurpose crystal-chemical analysis

SUMOF-5: a mesoporous metal-organic framework with the tbo topology built from the dicopper paddle-wheel cluster and a new tritopic linker

“…The octahedral building units are further connected through corner sharing of the SBUs to form a cubic framework. The underlying topology of SUMOF-5, as obtained by TOPOS [31], is a (3,4)-connected augmented tbo net (Fig. 2b), which is identical to the topology of HKUST-1 [13], PCN-6 0 [22] and MOF-399 [23] (Fig.…”

Effect of N-donor ancillary ligands on structural and magnetic properties of oxalate copper(ii) complexes

“…1c), described by the {3 9 This means that the net is formed by alternating hexa-and tetra-functional oxalate ions (coordinating to four metal ions in two bidentate-chelating modes and two monodentate modes, and to two metal ions in two bidentate-chelating modes, Fig. 1c).…”

“…Moreover, the magnetic properties of the complexes 1-9 have been investigated and discussed in the context of their structures. (9) were carried out through the self-assembly reactions of an aqueous solution of (NH 4 ) 2 C 2 O 4 with a methanolic solution of a copper salt and a suitable N-heterocyclic ligand (pz = pyrazole, apz = 3(5)-aminopyrazole, mpz = 3(5)-methylpyrazole, ampz = 3(5)-amino-5(3)-methylpyrazole, aind = 7-azaindole, bpzm = bis(pyrazol-1-yl)methane, ampy = 2-aminomethylpyridine and aepy = 2-(2-pyridyl)ethylamine), followed by solvent evaporation at room temperature. The reactions with pyrazole, 3(5)-aminopyrazole, 3(5)-methylpyrazole, 3(5)-amino-5(3)-methylpyrazole and 7-azaindole were carried out in a molar ratio of copper(II) chloride to ligand equal to 1 : 2.…”

“…Interestingly, the choice of copper(II) salt (CuCl 2 and Cu(NO 3 ) 2 ) turned out to be crucial only for complex formation with 2-(2-pyridyl)ethylamine. Cu(NO 3 ) 2 reacted with aepy and (NH 4 (9).…”

Reversible Single-Crystal-to-Single-Crystal Structural Transformation in a Mixed-Ligand 2D Layered Metal-Organic Framework: Structural Characterization and Sorption Study

“…The squarate and bipy both act as a bridging ligand with µ 1,3 -bis-monodentate and bis-monodentate coordination mode, respectively, leading the formation of a 2D layered MOF (Figure 1b) along the b axis. The 2D MOF of 1 can be viewed in a simplified way using TOPOS [54,55] as a four-connected uninodal net with the point symmetry (Schläfli symbol) {4 4 .6 2 }. Adjacent 2D layers are arranged in mutually parallel and interpenetrated manners to complete its 3D supramolecular network, which generates 1D channels along the c axis intercalated with guest water molecules ( Figure 1c).…”