trans-dichloro(1,4,8,11-tetra-azacyclotetradecane)manganese(III) perchlorate | 60105-49-9

• 英文名称: trans-dichloro(1,4,8,11-tetra-azacyclotetradecane)manganese(III) perchlorate
• CAS: 60105-49-9；667466-39-9
• 化学式: C₁₀H₂₄Cl₂MnN₄*ClO₄
• 分子量: 425.622
• InChiKey: NEWMDBCTHZECFU-UHFFFAOYSA-K

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为产物：
  描述：

  trans-dichloro (1,4,8,11-tetraazacyclotetradecane) manganese(III) chloride 、 sodium perchlorate 以 not given 为溶剂， 生成 trans-dichloro(1,4,8,11-tetra-azacyclotetradecane)manganese(III) perchlorate
  参考文献：
  名称：

  配位化合物的结构和机理研究。第十二部分。某些二价阴离子（1,4,8,11-四氮杂环十四烷）-锰（III），-铁（III）和-镍（III）盐的合成和表征

  摘要：

  顺式-[FeX 2（L 4）] + [L 4＝ 1,4,8,11-四氮杂环十四烷（cyclam）类型的配合物的合成与表征；X = Cl，Br和NCS]和反式-[MX 2（L 4）] +（M = Mn，X = Cl，Br，NCS或N 3； M = Fe，X = Cl，Br或NCS ：和M ＝ Ni，X ＝ Cl或Br）被描述。这些配合物的几何构型分配是根据它们在790–910 cm –1区域的红外光谱确定的。在某些情况下，的分配反式二卤代配合物的构型可通过其远红外光谱中仅存在一个ν（MX）拉伸频率来证实。磁化率表明，所有制备的d 4配合物均为高自旋，而d 6和d 7配合物均为低自旋。对于d 5 iron（III）系统，所有制备的顺式复合物均为高自旋，而反式复合物为低自旋。但是，反型-[FeBr 2（L 4）] [ClO 4 ]的µ 295室温下3.90 BM似乎处于高自旋-低自旋平衡。歧义的

  DOI：

  10.1039/dt9760000858

文献信息

• Pyridine-2,6-dicarboxylate and perchlorate bridged hydrogen bonded 1D chains involving manganese(III)-cyclam moiety: synthesis, X-ray crystal structures and magnetic study
  作者：Nizamuddin Shaikh、Anangamohan Panja、Pradyot Banerjee、Maria Kubiak、Zbigniew Ciunik、Malgorzata Puchalska、Janina Legendziewicz、Pavel Vojtı́šek

  DOI：10.1016/s0020-1693(03)00380-3

  日期：2004.1

  Two compounds H[Mn(cyclam)(pyridine-2,6-dicarboxylate)(2)](H2O)-H-. (1) and [Mn-III(cyclam)Cl-2]ClO4 (2) (where cyclam = 1,4,8,11-tetraazacyclotetradecane) have been synthesized and structurally characterized. The complex I crystallizes in the monoclinic space group P2(1)/c with a = 11.4328(11), b = 14.4275(14), c = 8.5782(9) Angstrom, V = 1343.1(2) Angstrom(3), Z = 2, R = 0.0453. Complex 1 is octahedral in which [Mn(cyclam)](3+) unit occupies the basal plane having two pyridine-2,6-dicarboxylate anions in the axial positions. Molecular packing of the crystal is dominated by string of molecules along the b-axis. The strings are held together by extensive intermolecular hydrogen bonds involving N-(HO)-O-..., N-(HN)-N-... and O-(HO)-O-... which impart it an infinite 1D chain. Complex 2 on the other hand crystallizes in the space group P2(1)2(1)2(1) (No. 19) of the orthorhombic system. Mn(III) ions occupy the center of a distorted octahedron and two chloride ions occupy the axial positions. The packing diagram of 2 reveals that the complex is percholrate-bridged hydrogen bonded ID chain along a-axis. Cyclic voltammogram of complex 1 shows a reduction wave at -0.25 V coupled to an oxidation wave at -0.05 V versus SCE in aqueous solution. The complex 2 is characterized by an irreversible reduction wave at -0.11 V versus SCE and is identical to that observed for [Mn-III(cyclam)Cl-2]Cl(.)5H(2)O. The magnetic measurements in the temperature range 1.9-300 K have been carried out for complex 1 which exhibits a very weak ferromagnetic interaction at low temperature. Complex 2 shows room temperature magnetic moment value of 4.92 BM consistent with the high spin d(4) electronic configuration. (C) 2003 Elsevier B.V. All rights reserved.