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Phenylamido and Diphenylamido Complexes of Chromium(II)

机译:铬(II)的苯基酰胺基和二苯基酰胺基配合物

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Addition LiNHPh to a [(NacNac)Cr(mu-I)](2) [NacNac = 2,4 pentane- N-N'-bis(2,6-diisopropylphenyl) ketiminato] in THF yields a dimeric anilido complex, 1, that crystallizes in P2(1) with unit cell parameters a = 13.390(2) angstrom, b = 26.298(5) angstrom, c = 21.326(4) angstrom, beta = 93.905(4)degrees, V = 7492(2) angstrom(3) and Z = 4. The same reaction in the presence of aniline yields a monomeric anilido complex, 2, with a coordinated aniline molecule. Complex 2 crystallizes in P2(1)/c with unit cell parameters a = 28.530(5) angstrom, b = 10.8116(18) angstrom, c = 26.492(5) angstrom, beta = 115.685(3)degrees, V = 7364(2) angstrom(3) and Z = 8. Addition of aniline to isolated 1 yields 2. Addition of LiNPh2 to [(NacNac) Cr(mu-I)](2) in THF yields a monomeric complex that crystallizes in P2(1) with the unit cell parameters a = 11.152(6) angstrom, b = 23.820(12) angstrom, c = 17.915(9) angstrom, beta = 106.223(9)degrees, V = 4569(4) angstrom(3) and Z = 4. All complexes have been spectroscopically and structurally characterized.
机译:将LiNHPh加到THF中的[(NacNac)Cr(mu-I)](2)[NacNac = 2,4戊烷-N-N'-双(2,6-二异丙基苯基)酮亚胺基]中得到二聚苯胺基络合物1 ,以晶胞参数a = 13.390(2)埃,b = 26.298(5)埃,c = 21.326(4)埃,beta = 93.905(4)度,V = 7492( 2)埃(3)和Z =4。在苯胺存在下的相同反应产生具有苯胺分子配位的单体苯胺基配合物2。配合物2在P2(1)/ c中结晶,晶胞参数为a = 28.530(5)埃,b = 10.8116(18)埃,c = 26.492(5)埃,beta = 115.685(3)度,V = 7364( 2)埃(3)和Z =8。将苯胺添加到分离的1中得到2.在THF中将LiNPh2添加到[(NacNac)Cr(mu-I)](2)中,生成在P2(1)中结晶的单体配合物。 )/ n的晶胞参数a = 11.152(6)埃,b = 23.820(12)埃,c = 17.915(9)埃,beta = 106.223(9)度,V = 4569(4)埃(3) Z = 4。所有配合物均已在光谱和结构上表征。

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