无机化学学报
無機化學學報
무궤화학학보
JOURNAL OF INORGANIC CHEMISTRY
2008年
6期
937-943
,共7页
杨廷海%鲍松松%周凯%李一志%郑丽敏
楊廷海%鮑鬆鬆%週凱%李一誌%鄭麗敏
양정해%포송송%주개%리일지%정려민
1,4,7,10,13-五氮十五烷%氰基桥联%四核簇:磁性质
1,4,7,10,13-五氮十五烷%氰基橋聯%四覈簇:磁性質
1,4,7,10,13-오담십오완%청기교련%사핵족:자성질
1,4,7,10,13-pentaazacyclopentadecane%cyanide bridge%tetranuclear cluster%magnetic properties
用1,4,7,10,13-五氮十五烷(cpad)作为端基配体,合成了2个同构化合物[{Ni(cpad)}3M(CN)6]2[M(CN)6](ClO4)3·6H2O(M=Cr3+,1;Fe3+,2),其中[M(CN)6]3-通过氰基桥联配位,4+[Ni(cpad)]2+阳离子形成四核簇[{Ni(cpad)}3M(CN)6]3+,游离的[M(CN)6]3-和ClO4-为平衡阴离子.晶体参数如下:1,三方晶系,P3c1空间群,a=1.51441(18)nm, c=3.0807(6)nm, V=6.1189(15)nm3, Z=2;2,三方晶系,P3c1空间群,a=1.49762(17)nm, c=3.0878(5)nm, V=5.9976(14)nm3, Z=2.变温磁化率显示在四核簇内氰基桥联的金属离子之间存在铁磁相互作用.
用1,4,7,10,13-五氮十五烷(cpad)作為耑基配體,閤成瞭2箇同構化閤物[{Ni(cpad)}3M(CN)6]2[M(CN)6](ClO4)3·6H2O(M=Cr3+,1;Fe3+,2),其中[M(CN)6]3-通過氰基橋聯配位,4+[Ni(cpad)]2+暘離子形成四覈簇[{Ni(cpad)}3M(CN)6]3+,遊離的[M(CN)6]3-和ClO4-為平衡陰離子.晶體參數如下:1,三方晶繫,P3c1空間群,a=1.51441(18)nm, c=3.0807(6)nm, V=6.1189(15)nm3, Z=2;2,三方晶繫,P3c1空間群,a=1.49762(17)nm, c=3.0878(5)nm, V=5.9976(14)nm3, Z=2.變溫磁化率顯示在四覈簇內氰基橋聯的金屬離子之間存在鐵磁相互作用.
용1,4,7,10,13-오담십오완(cpad)작위단기배체,합성료2개동구화합물[{Ni(cpad)}3M(CN)6]2[M(CN)6](ClO4)3·6H2O(M=Cr3+,1;Fe3+,2),기중[M(CN)6]3-통과청기교련배위,4+[Ni(cpad)]2+양리자형성사핵족[{Ni(cpad)}3M(CN)6]3+,유리적[M(CN)6]3-화ClO4-위평형음리자.정체삼수여하:1,삼방정계,P3c1공간군,a=1.51441(18)nm, c=3.0807(6)nm, V=6.1189(15)nm3, Z=2;2,삼방정계,P3c1공간군,a=1.49762(17)nm, c=3.0878(5)nm, V=5.9976(14)nm3, Z=2.변온자화솔현시재사핵족내청기교련적금속리자지간존재철자상호작용.
By using 1,4,7,10,13-pentaazacyclopentadecane (cpad) as terminal ligand, two isomorphous complexes [{Ni(cpad)}3M(CN)6]2[M(CN)6](ClO4)3·6H2O(M=Cr3+,1; Fe3+,2) are obtained. Crystal data: 1, trigonal, P3c1, a=1.51441(18)nm, c=3.0807(6)nm, V=6.1189(15)nm3, Z=2;2, trigonal, P3c1, a=1.49762(17)nm, c=3.0878(5)nm, V=5.9976(14)nm3, Z=2. Each compound contains a tetrahedron-shaped tetranuclear cluster [{Ni(cpad)}3M(CN)6]3+, where[M(CN)6]3- coordinates to three [Ni(cpad)]2+ moieties through cyanide bridges. The positive charge of the cluster is balanced by both the discrete [M(CN)6]3- and perchlorate anions. The temperature dependent magnetic susceptibility measurements reveal that dominant ferromagnetic interactions are mediated in both compounds, with very weak inter-molecular antiferromagnetic interactions. CCDC: 670129,1;670130,2.