Extent of protonation of 4,4′-bipyridinium cations and nature of host influences the amount of guest intake by cobalt(II) 2,6-pyridinedicarboxylate

Shankar, Krapa; Singh, Munendra; Baruah, Jubaraj B.

doi:10.1016/j.ica.2017.09.055

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…In particular, molecular recognition and selective binding of H 3 PG and other associated resorcinol and naphtalenediol-type co-formers involved various polynuclear d-metal ions clusters serving as the molecular hosts [31,34,[39][40][41][42][43][44][45][46]. However, anionic d-metallates or f-metallates were moderately represented in these studies, count-ing some examples of pyridine-dicarboxylate complexes forming the hydrogen-bonded networks with pyridinium and polypyridinium cations [34,43,45,46].…”

Section: Introductionmentioning

confidence: 92%

“…The current study is dedicated to new d-metallate-based supramolecular synthons that might be of importance in the design of functional molecular platforms in solution and in the solid-state. As a counterpart, we selected phloroglucinol (H 3 PG; 1,3,5trihydroxobenzene), a triangular hydrogen bond donor widely tested in the formation of hydrogen-bonded architectures [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39]. Its resulting functional character is well documented in the context of topological reactivity [24], combinatorial or modular synthetic strategies [25,35], molecular recognition and selective binding [31,34,39], proton disorder [26], drugs fabrication improvement [27], luminescence switching [28], switchable magnetic properties [23], chiral properties and photonic materials [36], and general molecular organization [23,[29][30][31][32][33][34]37,38].…”

Section: Introductionmentioning

confidence: 99%

“…As a counterpart, we selected phloroglucinol (H 3 PG; 1,3,5trihydroxobenzene), a triangular hydrogen bond donor widely tested in the formation of hydrogen-bonded architectures [23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39]. Its resulting functional character is well documented in the context of topological reactivity [24], combinatorial or modular synthetic strategies [25,35], molecular recognition and selective binding [31,34,39], proton disorder [26], drugs fabrication improvement [27], luminescence switching [28], switchable magnetic properties [23], chiral properties and photonic materials [36], and general molecular organization [23,[29][30][31][32][33][34]37,38]. In particular, molecular recognition and selective binding of H 3 PG and other associated resorcinol and naphtalenediol-type co-formers involved various polynuclear d-metal ions clusters serving as the molecular hosts [31,34,[39][40][41][42]…”

Section: Introductionmentioning

confidence: 99%

“…Its resulting functional character is well documented in the context of topological reactivity [24], combinatorial or modular synthetic strategies [25,35], molecular recognition and selective binding [31,34,39], proton disorder [26], drugs fabrication improvement [27], luminescence switching [28], switchable magnetic properties [23], chiral properties and photonic materials [36], and general molecular organization [23,[29][30][31][32][33][34]37,38]. In particular, molecular recognition and selective binding of H 3 PG and other associated resorcinol and naphtalenediol-type co-formers involved various polynuclear d-metal ions clusters serving as the molecular hosts [31,34,[39][40][41][42][43][44][45][46]. However, anionic d-metallates or f-metallates were moderately represented in these studies, count-ing some examples of pyridine-dicarboxylate complexes forming the hydrogen-bonded networks with pyridinium and polypyridinium cations [34,43,45,46].…”

Section: Introductionmentioning

confidence: 99%

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Supramolecular cis-“Bis(Chelation)” of [M(CN)6]3− (M = CrIII, FeIII, CoIII) by Phloroglucinol (H3PG)

et al. 2022

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Studies on molecular co-crystal type materials are important in the design and preparation of easy-to-absorb drugs, non-centrosymmetric, and chiral crystals for optical performance, liquid crystals, or plastic phases. From a fundamental point of view, such studies also provide useful information on various supramolecular synthons and molecular ordering, including metric parameters, molecular matching, energetical hierarchy, and combinatorial potential, appealing to the rational design of functional materials through structure–properties–application schemes. Co-crystal salts involving anionic d-metallate coordination complexes are moderately explored (compared to the generality of co-crystals), and in this context, we present a new series of isomorphous co-crystalline salts (PPh4)3[M(CN)6](H3PG)2·2MeCN (M = Cr, 1; Fe, 2; Co 3; H3PG = phloroglucinol, 1,3,5-trihydroxobenzene). In this study, 1–3 were characterized experimentally using SC XRD, Hirshfeld analysis, ESI-MS spectrometry, vibrational IR and Raman, 57Fe Mössbauer, electronic absorption UV-Vis-NIR, and photoluminescence spectroscopies, and theoretically with density functional theory calculations. The two-dimensional square grid-like hydrogen-bond {[M(CN)6]3–;(H3PG)2}¥ network features original {[M(CN)6]3–;(H3PG)4} supramolecular cis-bis(chelate) motifs involving: (i) two double cyclic hydrogen bond synthons M(-CN×××HO-)2Ar, {[M(CN)6]3–;H2PGH}, between cis-oriented cyanido ligands of [M(CN)6]3– and resorcinol-like face of H3PG, and (ii) two single hydrogen bonds M-CN×××HO-Ar, {[M(CN)6]3–;HPGH2}, involving the remaining two cyanide ligands. The occurrence of the above tectonic motif is discussed with regard to the relevant data existing in the CCDC database, including the multisite H-bond binding of [M(CN)6]3– by organic species, mononuclear coordination complexes, and polynuclear complexes. The physicochemical and computational characterization discloses notable spectral modifications under the regime of an extended hydrogen bond network.

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Section: Introductionmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Supramolecular cis-“Bis(Chelation)” of [M(CN)6]3− (M = CrIII, FeIII, CoIII) by Phloroglucinol (H3PG)

et al. 2022

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“…38 The stacking effect and the concomitant hydrogen bond donor/acceptor behavior of naphthalimide derivatives make them attractive to generate polymorphs. [39][40][41] On the other hand, the aggregates of naphthalimide derivatives 42,43 and metal complexes 44 provide interesting properties. The reported crystal structure of 2-amino-1Hbenzo[de]isoquinoline-1,3(2H)-dione, alternatively known as N-amino-1,8-naphthalimide (L), has two symmetry nonequivalent molecules present in the unit cell 45 and it is interesting that such a system may have a symmetric counterpart, as observed in limited examples in the literature in other systems.…”

Section: Introductionmentioning

confidence: 99%