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首页> 外文期刊>Journal of chemical crystallography >Synthesis and Structure of bis(beta-Diketiminate) Chromium(II) Complexes
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Synthesis and Structure of bis(beta-Diketiminate) Chromium(II) Complexes

机译：双（β-二酮）铬（II）配合物的合成与结构

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摘要

The new ligand 2,4-N, N'-bis(napthylamino)pent-2-ene (L napth) (1) has been synthesized and crystallizes in space group P2(1)2(1)2(1) with crystal cell parameters a = 8.196(3) angstrom, b = 9.119(3) angstrom, c = 25.746(10) angstrom, V = 1924.3(12) angstrom(3) and Z = 4. The complexes bis[2,4-pentane-N, N'-bis(napthyl) ketiminato] chromium(II) (2), bis[2,4-pentane-N, N'-bis(isopropylphenyl) ketiminato] chromium(II) (3), and bis[2,4-pentane-N, N'-bis(tertbutylphenyl) ketiminato] chromium(II) (4) were synthesized and structurally characterized. Complex 2, the first complex reported with a bis(napthyl) beta-diketiminate ligand, crystallizes in space group P - 1 with crystal cell parameters a = 12.0824(15) angstrom, b = 12.2462(16) angstrom, c = 14.8975(19) angstrom, a = 87.035(2)degrees, b = 80.615(2)degrees, c = 62.756(2)degrees, V = 1932.9(4) A angstrom(3) and Z = 2. Complex 3 crystallizes in space group P(2)1 with crystal cell parameters a = 13.088(3) angstrom, b = 22.222(5) angstrom, c = 14.206(3) angstrom, b = 102.310(4)degrees, V = 4036.6(17) angstrom 3 and Z = 4. Complex 4 crystallizes in space group P(2)1 with crystal cell parameters a = 20.831(6) angstrom, b = 11.575(4) angstrom, c = 21.373(7) angstrom, b = 107.241(5)degrees, V = 4922(3) angstrom 3 and Z = 4. The degree of twist between the ligand planes is dependent on the steric bulk of the ligand.
机译：已合成新的配体2,4-N，N'-双（萘氨基）戊-2-烯（L萘）（1）并在具有晶体的空间群P2（1）2（1）2（1）中结晶像元参数a = 8.196（3）埃，b = 9.119（3）埃，c = 25.746（10）埃，V = 1924.3（12）埃（3）和Z =4。络合物bis [2,4-戊烷-N，N'-双（萘基）酮铬（II）（2），双[2,4-戊烷-N，N'-双（异丙基苯基）酮基酮]铬（II）（3）和bis [合成了2,4-戊烷-N，N'-双（叔丁基苯基）酮亚胺基]铬（II）（4）并对其结构进行了表征。配合物2（第一个配合物为双（萘基）β-二酮）配体在空间群P-1中结晶，晶胞参数为a = 12.0824（15）埃，b = 12.2462（16）埃，c = 14.8975（19） ）埃，a = 87.035（2）度，b = 80.615（2）度，c = 62.756（2）度，V = 1932.9（4）A埃（3）和Z =2。复杂3在空间群P中结晶（2）1 / n，晶胞参数a = 13.088（3）埃，b = 22.222（5）埃，c = 14.206（3）埃，b = 102.310（4）度，V = 4036.6（17）埃3和Z =4。配合物4在空间群P（2）1 / n中结晶，晶格参数为a = 20.831（6）埃，b = 11.575（4）埃，c = 21.373（7）埃，b = 107.241（ 5）度，V = 4922（3）埃3，Z =4。配体平面之间的扭曲度取决于配体的空间体积。

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