教師資料查詢 | 類別: 期刊論文 | 教師: 魏和祥 WEI, HO-HSIANG (瀏覽個人網頁)

標題:Antiferro- and Ferromagnetic Behaviors of Two New m1,3-N3 and m1,1-N3 Bridged Dinuclear Nickel(II) Complexes with 2,6-Bis(2-pyridyl)-4(1H)-pyridone and 2,6-Dimethyl-2,3-bis (2-pyridyl)quinoxaline Ligands
學年91
學期1
出版(發表)日期2002/12/01
作品名稱Antiferro- and Ferromagnetic Behaviors of Two New m1,3-N3 and m1,1-N3 Bridged Dinuclear Nickel(II) Complexes with 2,6-Bis(2-pyridyl)-4(1H)-pyridone and 2,6-Dimethyl-2,3-bis (2-pyridyl)quinoxaline Ligands
作品名稱(其他語言)
著者魏和祥; Wei, Ho-hsiang; 廖俊源; Liao, Chun-yuan; 鄭勝權; Cheng, Sheng-chuan; Sasankasekhar Mohanta
單位淡江大學化學學系
出版者臺北縣淡江大學
著錄名稱、卷期、頁數淡江理工學刊=Tamkang journal of science and engineering 5(4)頁129-136
摘要Two new N3-bridged dinuclear nickel(II) complexes, [Ni(ddqx)2 (μ1,3-N3)]2(ClO4)2⋅8CH3OH 1 and [Ni(tpd)(μ1,1-N3)(H2O)]2 2, (ddqx = 2,6-dimethyl-2,3-bis(2-pyridyl)quinoxaline and Htpd = 4-terpyridone = 2,6-bis(2-pyridyl)-4(1H)-pyridone), have been synthesized. Complex 1 crystallizes in the orthorhombic system with Ccca space group; the structure consists of isolated dimer and each Ni(II) atom is coordinated by two bidentate ddqx ligands and two end-to-end μ1,3-N3 groups. Complex 2 crystallizes in monoclinic P21/n space group; the structure consists of hydrogen-bonding linked 2-D chain of dinuclear Ni(II) complex, and each Ni(II) atom is coordinated by tridentate tpd ligand, water molecule and bridging μ1,1-N3 ligand; the hydrogen bonding formed between the hydrogen atom of H2O and oxygen atom of tpd ligand. Magnetic susceptibility data, measured from 2-300 K, reveal that complex 1 exhibits antiferromagnetic interaction with J = −29 cm-1, D = 10 cm-1, g = 2.0, whereas complex 2 exhibits ferromagnetic interaction with J = 17 cm-1, D = −8.5 cm-1, g = 2.18. The magneto-structural correlation has been discussed.
關鍵字Azide bridged;Dinickel(II);Crystallographic equivalence;Distortion of azide bridge
語言英文
ISSN1560-6686
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