Synthesis and characterization of SF4 adducts with polycyclic amines

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dc.contributor.authorKostiuk, Nathan
dc.contributor.authorGoettel, James T.
dc.contributor.authorGerken, Michael
dc.date.accessioned2021-07-23T21:38:52Z
dc.date.available2021-07-23T21:38:52Z
dc.date.issued2020
dc.descriptionAccepted author manuscripten_US
dc.description.abstractChalcogen-bonding interactions of SF4 with the polycyclic amines DABCO (C6H12N2) and HMTA (C6H12N4) were studied by low-temperature Raman spectroscopy and X-ray crystallography, revealing the 2:1 adducts C6H12N2·2SF4 and C6H12N4·2SF4 obtained from SF4 solvent. In C6H12N2·2SF4, the sulfur in each SF4 molecule is pentacoordinate with each SF4 coordinated by a single amine group, whereas C6H12N4·2SF4 forms a one-dimensional coordination polymer with three of the four nitrogen atoms in HMTA exhibiting N---S chalcogen bonds: one terminal N---SF4 and one experimentally unprecedented bridging N---(SF4)---N moiety. Solvolysis of C6H12N2·2SF4 by HF yielded crystals of [C6H12N2H]+2F–[SF5]−·6SF4, in which SF4 acts as a chalcogen-bond donor toward N as well as F. Solvolysis of C6H12N4·2SF4 resulted in the formation of the monoprotonated HMTA salt [C6H12N4H]+[HF2]−·SF4. Excess HF also led to isolation of monoprotonated HTMA, as seen in the crystal structure of the [C6H12N4H]+[H2F3]−·HF salt. The reaction of bicyclic, monobasic quinuclidine with SF4 and HF gave [C7H13NH]+F–·3.5SF4, which contains N–H---F–---SF4 interactions, as well as an interstitial, disordered SF4 molecule.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationKostiuk, N., Goettel, J. T., & Gerken, M. (2020). Synthesis and characterization of SF4 adducts with polycyclic amines. Inorganic Chemistry, 59(12), 8620-8628. https://doi.org/10.1021/acs.inorgchem.0c01105en_US
dc.identifier.urihttps://hdl.handle.net/10133/5967
dc.language.isoen_USen_US
dc.publisherAmerican Chemical Societyen_US
dc.publisher.departmentDepartment of Chemistry and Biochemistryen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.publisher.institutionCanadian Centre for Research in Advanced Fluorine Technologiesen_US
dc.publisher.urlhttps://doi.org/10.1021/acs.inorgchem.0c01105en_US
dc.subjectAdductsen_US
dc.subjectGroup 16 compoundsen_US
dc.subjectMoleculesen_US
dc.subject.lcshAnions
dc.subject.lcshAmines
dc.subject.lcshChalcogens
dc.subject.lcshMolecules
dc.titleSynthesis and characterization of SF4 adducts with polycyclic aminesen_US
dc.typeArticleen_US
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