A joint action of coordination, hydrogen and tetrel bonds toward a new 2D coordination polymer of lead(II) perchlorate and N'-isonicotinoylpyrazine-2-carbohydrazonamide

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dc.authorscopusidGhodrat Mahmoudi / 15765751200
dc.authorwosidGhodrat Mahmoudi / AAB-6892-2022
dc.contributor.authorMahmoudi, Ghodrat
dc.contributor.authorGarcia-Santos, Isabel
dc.contributor.authorSafin, Damir A.
dc.contributor.authorFernández-Vazquez, Roi
dc.contributor.authorEftekhari-sis, Bagher
dc.contributor.authorGomila, Rosa M.
dc.contributor.authorFrontera, Antonio
dc.date.accessioned2025-04-17T10:33:12Z
dc.date.available2025-04-17T10:33:12Z
dc.date.issued2025
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Kimya Bölümü
dc.description.abstractA new 2D coordination polymer of lead(II) with N'-isonicotinoylpyrazine-2-carbohydrazonamide (HL) was readily produced by reacting with an equimolar amount of Pb(ClO4)2 in aqueous methanol solution. The resulting metallocomplex was isolated in the form of yellow prism-like crystals of {[PbL](ClO4)center dot 0.4H2O}n, suitable for a single crystal X-ray diffraction analysis, and was studied using FTIR and 1H NMR spectroscopy, and single crystal X-ray diffraction. The oxygen atoms of the ClO4- anion are disordered over two positions with an occupancy ratio of 60 % to 40 %. The minor occupancy is accompanied with the crystal water molecule, which, thus, yields 0.4 molecule per one [PbL](ClO4). Analysis of the crystal structure of the discussed complex allowed to reveal the formation of a dinuclear dimeric species [Pb2L2]2+ from the [PbL]+ cations through a pair of Pb center dot center dot center dot N tetrel bonds formed with the amide nitrogen atoms, which is further reinforced by a pair of pi center dot center dot center dot pi interactions formed between the pyrazine and pyridine rings. Three oxygen atoms from two perchlorate anions complete the coordination sphere (N4O4) of the metal cation, yielding an anionic {[PbL]2(ClO4)4}2- species, which is stabilized by a pair of N-H center dot center dot center dot O hydrogen bonds, formed by one of the NH2 hydrogen atoms and one of the oxygen atoms of the major occupancy of an adjacent perchlorate anion. In the crystal packing, the cations [PbL]+ are linked through the Pb-N coordination bonds formed with the pyridine nitrogen atom, yielding a 1D cationic coordination polymers {[PbL]n}n+ of a zig-zag structure, which, in turn, are linked into a 2D coordination network. The topology of this 2D network disclosed a uninodal 3-connected net of fes with the point symbol of (4 center dot 82). 2D layers are stacked with each other int a 3D supramolecular framework, which voids are filled by the perchlorate anions and crystal water molecules. DFT calculations have been performed to characterize the Pb center dot center dot center dot N/O tetrel bonding interactions along with more conventional hydrogen bonding that are crucial in the generation of the coordination polymer and its final 3D architecture.
dc.description.sponsorshipRussian Science Foundation
dc.identifier.citationMahmoudi, G., Garcia-Santos, I., Safin, D. A., Fernández-Vazquez, R., Eftekhari-sis, B., Gomila, R. M., & Frontera, A. (2025). A joint action of coordination, hydrogen and tetrel bonds toward a new 2D coordination polymer of lead (II) perchlorate and N'-isonicotinoylpyrazine-2-carbohydrazonamide. Inorganic Chemistry Communications, 174, 113914.
dc.identifier.doi10.1016/j.inoche.2025.113914
dc.identifier.endpage9
dc.identifier.issn1387-7003
dc.identifier.issn1879-0259
dc.identifier.scopus2-s2.0-85214840042
dc.identifier.scopusqualityQ2
dc.identifier.startpage1
dc.identifier.urihttp://dx.doi.org/10.1016/j.inoche.2025.113914
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6197
dc.identifier.volume174
dc.identifier.wosWOS:001416979500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorMahmoudi, Ghodrat
dc.institutionauthoridGhodrat Mahmoudi / 0000-0002-4846-5283
dc.language.isoen
dc.publisherElsevier b.v.
dc.relation.ispartofInorganic chemistry communications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectCarbohydrazonamide
dc.subjectCoordination Polymer
dc.subjectLead(II)
dc.subjectSynthesis
dc.subjectTheoretical Calculations
dc.subjectX-ray
dc.titleA joint action of coordination, hydrogen and tetrel bonds toward a new 2D coordination polymer of lead(II) perchlorate and N'-isonicotinoylpyrazine-2-carbohydrazonamide
dc.typeArticle

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