The Crystal Structure and Magnetic Behavior of [Cu2(dien)2CI2](CIO4)2

The Crystal Structure and Magnetic Behavior of [Cu2(dien)2CI2](CIO4)2
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[Cu2(dien)2CI2](CIO4)2 的晶体结构和磁性行为

DOI:
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发表时间:
1984
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影响因子:
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通讯作者:
J. Weiss
J. Weiss
中科院分区:
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文献类型:
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作者:
S. Hoffmann;D. K. Towle;W. Hatfield;K. Wieghardt;P. Chaudhuri;J. Weiss

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[Cu_2(dien)_2Cl_2](Cl O_4)_2属正交晶系,空间群Pbn_(21),晶胞参数为:a = 7.637(1)A,B = 13.549(3)A,c = 20.866(4)A,晶胞中有四个分子(Z = 4).该结构由二聚体[Cu 2(dien)2C 12]2+单元组成,其中铜(II)的配位是高度扭曲的四方锥。磁化率数据显示一对交换耦合的S = 1/2离子,当使用EPR g因子值= 2.104时,产生J = +0.4(3)cm−1。
Abstract The compound [Cu2(dien)2Cl2](C1O4)2 crystallizes in the orthorhombic system, space group Pbn21, with unit cell dimensions: a = 7.637(1) A, b = 13.549(3) A, and c = 20.866(4) A, with four molecules in the unit cell (Z = 4). The structure consists of dimeric [Cu2(dien)2C12]2+ units in which the coordination about copper(II) is highly distorted square-pyramidal. Magnetic susceptibility data shows a pair of exchanged coupled S = 1/2 ions and yields J = +0.4(3)cm−1 when the EPR g-factor value of = 2.104 is used.