Resolution of minor size differences in a family of heteroleptic coordination cages by trapped ion mobility ESI-MS

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dc.contributor.authorEbbert, Kristina E.
dc.contributor.authorSchneider, Laura
dc.contributor.authorPlatzek, André
dc.contributor.authorDrechsler, Christoph
dc.contributor.authorChen, Bin
dc.contributor.authorRudolf, Robin
dc.contributor.authorClever, Guido H.
dc.date.accessioned2019-07-03T06:52:57Z
dc.date.available2019-07-03T06:52:57Z
dc.date.issued2019-06-28
dc.description.abstractWe report a complex system of heteroleptic coordination cages based on the combination of four bismonodentate ligands whose backbones only slightly differ in shape and length. cis-[Pd2L2L’2] assemblies cleanly form after addition of PdII cations to a 1 : 1 mixture of two shape-complementary ligands, each. When three or even all four ligands are used in combination, the unambiguous discrimination of all individual species in the product mixture becomes difficult by conventional NMR spectroscopic and mass spectrometric methods. Due to steric constraints, the system is restricted to the formation of ten different coordination cages in total, two of which are isomeric. We show that high-resolution trapped ion mobility mass spectrometry (TIMS) allows the clear differentiation of all ten species. Observed size trends could be readily reproduced by the calculation of theoretical values for collisional cross sections (CCS) from geometry-optimized models.en
dc.identifier.urihttp://hdl.handle.net/2003/38120
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-20101
dc.language.isoende
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/
dc.subjectHeteroleptic coordination cagesen
dc.subjectSupramolecular chemistryen
dc.subjectHigh-resolution trapped ion mobility mass spectrometry (TIMS)en
dc.subjectIn silico CCSen
dc.subject.ddc540
dc.titleResolution of minor size differences in a family of heteroleptic coordination cages by trapped ion mobility ESI-MSen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.openaire.projectidentifierinfo:eu-repo/grantAgreement/EC/H2020/683083/EU/Reactivity and Assembly of Multifunctional, Stimuli-responsive Encapsulation Structures/RAMSESde
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationEbbert, K. E. et al. (2019) Resolution of minor size differences in a family of heteroleptic coordination cages by trapped ion mobility ESI-MS. Dalton Transactionsde
eldorado.secondarypublication.primaryidentifierDOI: 10.1039/c9dt01814jde

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