trans-[Cr(acetylacetonate)2(H2O)2]ClO4 | 112817-19-3

• 分子结构分类: 有机化合物 - 有机氧化合物 - 有机含氧阴离子化合物
• 英文名称: trans-[Cr(acetylacetonate)2(H2O)2]ClO4
• CAS: 112817-19-3；112923-98-5；112923-99-6；113033-12-8；444565-48-4
• 化学式: C₁₀H₁₈CrO₆*ClO₄
• 分子量: 385.696
• InChiKey: MAFFJLLTXCUFIA-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  None
• 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：
  None
• 氢给体数：
  None
• 氢受体数：
  None

反应信息

• 作为反应物：
  描述：

  (triphenylphosphine)AuSC5H4N 、 trans-[Cr(acetylacetonate)2(H2O)2]ClO4 以 甲醇 、 苯 为溶剂， 以54%的产率得到trans-[Cr(acetylacetonate)2((S-4-pyridine)AuPPh3)2]ClO4
  参考文献：
  名称：

  Exploration on Au(S–4-py)PR3 complexes as a viable building block for constructing hetero-nuclear supramolecules: synthesis and X-ray study on M(acac′)2[Au(S–4-py)PR3]2(ClO4) (M = Cr, Cu; acac′ = acetylacetonate, hexafluoro-acetylacetonate; x= 0 or 1)

  摘要：

  Transition metal acetylacetonates, M(acac')(2)(ClO4)(x) (M = Cr, Cu; acac' = acetylacetonate, hexafluoro-acetylacetonate; x = 0 or 1) were reacted as a scaffolding for constructing a hetero metallic supra molecule with Au(S-4-py)L (L = PPh3, PPh2(2-py)) as a ligand. A trimetallic monomer, Au-Cr-Au, 5 was yielded from [Cr(acac)(2)(H2O)(2)]ClO4. However, [Cu(hfac)(2)] yielded a dimer 6 composed of a trimetallic monomer (Au-Cu-Au) moiety and an infinite chain polymer(.Au-Cu-Au.Au-Cu-Au.) 7 by virtue of aurophilicity in the solid state, the higher order structure of which depends on the co-existing ligand L. Basic structures of 6 and 7 are affected by L; 6 has a cis geometry, while 7 a trans geometry. Cooperative effect of the steric bulkiness of L and aurophilicity is presumed to determine the geometry. (C) 2004 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jorganchem.2004.08.027

文献信息

• Studies on the kinetics and mechanism of anation reactions of some six-coordinate complexes of chromium(III) in aqueous solution
  作者：Debabrata Banerjea、Bidyut Chakravarti

  DOI：10.1016/0020-1693(95)04525-2

  日期：1995.12

  Rates of stepwise anation of cis-Cr(ox)2(H2O2)− with SCN−/N3−, Cr(acac)2(H2O)2+ with SCN− and Cr(atda)(H2O)2 with SCN− have been investigated in weakly acidic aqueous solutions. Rate constants, kI and kII for the two steps in each system, are composite as kx = kx0+kxX[X−] (x = I, II; X− = SCN−, N3−). These rate constants have been evaluated also as the corresponding ΔH≠ and ΔS≠ values. The results

  的逐步anation的速率顺-Cr（OX）2（H 2 ö 2）-与SCN - / N 3 - ，铬（ACAC）2（H 2 O）2 +与SCN -和Cr（ATDA）（H 2 O）2与SCN -已经在弱酸性水溶液中进行了研究。每个系统中两个步骤的速率常数k I和k II合成为k x = k x 0 + kX X [X - ]（ X = I，II; X - = SCN -，N 3 -）。这些速率常数也已作为相应的ΔH ≠和ΔS ≠值进行了评估。所获得的结果和所述可信我d机制似乎表明CrOOC键离解（因此强负ΔS ≠），其与外球关联形成前体在X复杂每个系统产生的过渡状态-依赖的路径。