Synthesis, Structure and Thermal Behavior of Oxalato-Bridged Rb+ and H3O+ Extended Frameworks with Different Dimensionalities

Abstract

Correlative studies of three oxalato-bridged polymers, obtained under hydrothermal conditions for the two isostructural compounds {Rb(HC2O4)(H2C2O4)(H2O)2}∞1, 1, {H3O(HC2O4)(H2C2O4).2H2O}∞1, 2, and by conventional synthetic method for {Rb(HC2O4)}∞3, 3, allowed the identification of H-bond patterns and structural dimensionality. Ferroïc domain structures are confirmed by electric measurements performed on 3. Although 2 resembles one oxalic acid sesquihydrate, its structure determination doesn’t display any kind of disorder and leads to recognition of a supramolecular network identical to hybrid s-block series, where moreover, unusual H3O+ and NH4+ similarity is brought out. Thermal behaviors show that 1D frameworks with extended H-bonds, whether with or without a metal center, have the same stability. Inversely, despite the dimensionalities, the same metallic intermediate and final compounds are obtained for the two Rb+ ferroïc materials.

Recent Advances on Anilato-Based Molecular Materials with Magnetic and/or Conducting Properties

“…Similar cation- (Figure 30b,c), generating a three-dimensional structure (Figure 30a-d). This topology differs from the classic 2D honeycomb structure type frequently observed for hydranilates and derivatives, where neighboring metal centers are of opposing chiralities [108,125]. and indicate that the magnetic exchange is stronger between the stacked TTF cations located at smaller distances.…”

“…This topology differs from the classic 2D honeycomb structure type frequently observed for hydranilates and derivatives, where neighboring metal centers are of opposing chiralities [108,125]. The tetrabutylammonium countercations are crucial for templating the 3D structure, compared with other 1D or 2D hydranilate-based materials [7,108,125,[186][187][188] since were located inside the pores and appear to fill the pores almost completely with no large voids present. Similar cation- (Figure 30b,c), generating a three-dimensional structure (Figure 30a-d).…”

“…This topology differs from the classic 2D honeycomb structure type frequently observed for hydranilates and derivatives, where neighboring metal centers are of opposing chiralities [108,125]. The tetrabutylammonium countercations are crucial for templating the 3D structure, compared with other 1D or 2D hydranilate-based materials [7,108,125,[186][187][188] since were located inside the pores and appear to fill the pores almost completely with no large voids present. Similar cation- The tetrabutylammonium countercations are crucial for templating the 3D structure, compared with other 1D or 2D hydranilate-based materials [7,108,125,[186][187][188] since were located inside the pores and appear to fill the pores almost completely with no large voids present.…”

“…The novel family of molecule-based magnets formulated as [Mn II [125]. These compounds were obtained by following the so-called "complex-as-ligand approach".…”

“…(NBu4)2Fe III 2(H2An)3 (43) shows a very rare topology for H2An 2− -based coordination compounds [81,112,121,125], with two interpenetrated (10,3)-a lattices of opposing chiralities where neighboring metal centers within each lattice are all of the same chirality (Figure 30b,c), generating a threedimensional structure (Figure 30a-d). This topology differs from the classic 2D honeycomb structure type frequently observed for hydranilates and derivatives, where neighboring metal centers are of opposing chiralities [108,125].…”