{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Miklik D"],"funding":["MEXT | Japan Society for the Promotion of Science","MEXT | Japan Society for the Promotion of Science (JSPS)","MEXT | National Institute for Materials Science"],"pagination":["29"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9814942"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["4(1)"],"pubmed_abstract":["Acenes and azaacenes lie at the core of molecular materials' applications due to their important optical and electronic features. A critical aspect is provided by their heteroatom multiplicity, which can strongly affect their properties. Here we report pyrazinacenes containing the dihydro-decaazapentacene and dihydro-octaazatetracene chromophores and compare their properties/functions as a model case at an oxidizing metal substrate. We find a distinguished, oxidation-state-dependent conformational adaptation and self-assembly behaviour and discuss the analogies and differences of planar benzo-substituted decaazapentacene and octaazatetracene forms. Our broad experimental and theoretical study reveals that decaazapentacene is stable against oxidation but unstable against reduction, which is"],"journal":["Communications chemistry"],"pubmed_title":["Pyrazinacenes exhibit on-surface oxidation-state-dependent conformational and self-assembly behaviours."],"pmcid":["PMC9814942"],"funding_grant_id":["JP15K13684"],"pubmed_authors":["Miklik D","Svec P","Buresova Z","Labuta J","Ariga K","Morari C","Bures F","Richards GJ","Karr PA","Middleton A","Wakayama Y","Hill JP","Ahsan A","D'Souza F","Buimaga-Iarinca L","Jung TA","Mori T","Fatemeh Mousavi S","Matsushita Y"],"additional_accession":[]},"is_claimable":false,"name":"Pyrazinacenes exhibit on-surface oxidation-state-dependent conformational and self-assembly behaviours.","description":"Acenes and azaacenes lie at the core of molecular materials' applications due to their important optical and electronic features. A critical aspect is provided by their heteroatom multiplicity, which can strongly affect their properties. Here we report pyrazinacenes containing the dihydro-decaazapentacene and dihydro-octaazatetracene chromophores and compare their properties/functions as a model case at an oxidizing metal substrate. We find a distinguished, oxidation-state-dependent conformational adaptation and self-assembly behaviour and discuss the analogies and differences of planar benzo-substituted decaazapentacene and octaazatetracene forms. Our broad experimental and theoretical study reveals that decaazapentacene is stable against oxidation but unstable against reduction, which is","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Mar","modification":"2025-04-29T10:47:48.94Z","creation":"2025-04-06T19:41:29.531Z"},"accession":"S-EPMC9814942","cross_references":{"pubmed":["36697553"],"doi":["10.1038/s42004-021-00470-w"]}}