{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Meng YS"],"funding":["National Natural Science Foundation of China","Natural Science Foundation of Jiangsu Province"],"pagination":["7156-7162"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5951210"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["6(12)"],"pubmed_abstract":["The slow magnetic relaxation typical for single-ion magnets has been known for certain low-coordinate 3d metal complexes with d<sup>6</sup>, d<sup>7</sup>, and d<sup>9</sup> electronic configurations, but never for d<sup>8</sup> complexes. Herein, we report a study on two-coordinate d<sup>8</sup> cobalt(i)-N-heterocyclic carbene complexes, for which slow magnetic relaxation behavior was observed for [Co(IMes)<sub>2</sub>][BPh<sub>4</sub>] (IMes: 1,3-dimesitylimidazol-2-ylidene) under an applied dc field. The system represents the first d<sup>8</sup> single-ion magnet, and features a fitted energy barrier of <i>U</i><sub>eff</sub> = 21.3 cm<sup>-1</sup> and pre-exponential factor of <i>τ</i><sub>0</sub> = 6.6 × 10<sup>-6</sup> s. The analog two-coordinate cobalt(i) complexes with different "],"journal":["Chemical science"],"pubmed_title":["Observation of the single-ion magnet behavior of d<sup>8</sup> ions on two-coordinate Co(i)-NHC complexes."],"pmcid":["PMC5951210"],"funding_grant_id":["21222208, 21321001, 91422302, 21421091 and 2143200","BK20151542"],"pubmed_authors":["Wang BW","Mo Z","Zhang YQ","Deng L","Gao S","Meng YS"],"additional_accession":[]},"is_claimable":false,"name":"Observation of the single-ion magnet behavior of d<sup>8</sup> ions on two-coordinate Co(i)-NHC complexes.","description":"The slow magnetic relaxation typical for single-ion magnets has been known for certain low-coordinate 3d metal complexes with d<sup>6</sup>, d<sup>7</sup>, and d<sup>9</sup> electronic configurations, but never for d<sup>8</sup> complexes. Herein, we report a study on two-coordinate d<sup>8</sup> cobalt(i)-N-heterocyclic carbene complexes, for which slow magnetic relaxation behavior was observed for [Co(IMes)<sub>2</sub>][BPh<sub>4</sub>] (IMes: 1,3-dimesitylimidazol-2-ylidene) under an applied dc field. The system represents the first d<sup>8</sup> single-ion magnet, and features a fitted energy barrier of <i>U</i><sub>eff</sub> = 21.3 cm<sup>-1</sup> and pre-exponential factor of <i>τ</i><sub>0</sub> = 6.6 × 10<sup>-6</sup> s. The analog two-coordinate cobalt(i) complexes with different ","dates":{"release":"2015-01-01T00:00:00Z","publication":"2015 Dec","modification":"2026-05-06T20:15:44.488Z","creation":"2019-03-26T23:40:28Z"},"accession":"S-EPMC5951210","cross_references":{"pubmed":["29861952"],"doi":["10.1039/c5sc02611c"]}}