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Strong Ferromagnetic Exchange Coupling Mediated by a Bridging Tetrazine Radical in a Dinuclear Nickel Complex
Inorganic Chemistry ( IF 4.3 ) Pub Date : 2017-09-25 00:00:00 , DOI: 10.1021/acs.inorgchem.7b01812
Toby J. Woods 1 , Heather D. Stout 2 , Brian S. Dolinar 1 , Kuduva R. Vignesh 1 , Maria F. Ballesteros-Rivas 1 , Catalina Achim 2 , Kim R. Dunbar 1
Affiliation  

The radical bridged compound [(Ni(TPMA))2-μ-bmtz•–](BF4)3·3CH3CN (bmtz = 3,6-bis(2′-pyrimidyl)-1,2,4,5-tetrazine, TPMA = tris(2-pyridylmethyl)amine) exhibits strong ferromagnetic exchange between the S = 1 NiII centers and the bridging S = 1/2 bmtz radical with J = 96 ± 5 cm–1 (−2JNi-radSNiSrad). DFT calculations support the existence of strong ferromagnetic exchange.

中文翻译:

双核镍络合物中架桥四氮杂嗪自由基介导的强铁磁交换耦合。

自由基桥接化合物[(Ni(TPMA))2 -μ-bmtz •– ](BF 43 ·3CH 3 CN(bmtz = 3,6-bis(2'-嘧啶基)-1,2,4,5 -四嗪,TPMA =三(2-吡啶基甲基)胺在S = 1 Ni II中心和架桥S = 1/2 bmtz自由基之间具有强铁磁交换,其中J = 96±5 cm –1(−2 J Ni- rad S Ni S rad)。DFT计算支持强铁磁交换的存在。
更新日期:2017-09-25
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