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Structural Studies of (Pyridine)_3ZnFe(CO)_4 and (Pyridine)(Neocuproin)CdFe(CO)_4

机译:(吡啶)_3ZnFe(CO)_4和(吡啶)(新铜绿素)CdFe(CO)_4的结构研究

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The structure of the previously reported (py)_3ZnFe(CO)_4 (py = pyridine) has been determined, confirming the monomeric nature of this species. The complex has average Zn–N and Zn–Fe bond lengths of 2.0970(7) and 2.4017(3) ?, and features a coordination geometry about Fe which is intermediate between trigonal bipyramidal and face monocapped tetrahedral. The space group is P2_1/c, with a = 8.22080(10) ?, b = 16.1668(3) ?, c = 15.4669(3) ?, β = 102.5869(11)o, V = 2006.21(6) ?~3, D_(calc). = 1.558 g/cm~3 at 150(1) K. A monomeric cadmium analogue, (pyridine)(neocuproin)CdFe(CO)_4, has also been synthesized, and found to possess a similar geometry, with average Cd–N and Cd–Fe bond lengths of 2.352(2) and 2.5380(5) ?. The space group is P1 with a = 10.8900(2) ?, b = 11.3042(3) ?, c = 15.5488(4) ?, α = 85.1251(10)o, β = 84.3468(14)o, γ = 72.0377(15)o, V = 1808.93(7) ?~3, D_(calc). = 1.478 g/cm~3 at 150(1) K.
机译:已经确定了先前报道的(py)_3ZnFe(CO)_4(py =吡啶)的结构,证实了该物种的单体性质。该复合物的平均Zn–N和Zn–Fe键长为2.0970(7)和2.4017(3)?,并且具有关于Fe的配位几何结构,该几何结构介于三角形双锥体和表面单封端的四面体之间。空间组为P2_1 / c,其中a = 8.22080(10)?,b = 16.1668(3)?,c = 15.4669(3)?,β= 102.5869(11)o,V = 2006.21(6)?〜3 ,D_(计算)。在150(1)K时= 1.558 g / cm〜3。还合成了一种单体镉类似物(吡啶)(新古都灵)CdFe(CO)_4,发现具有相似的几何形状,平均Cd–N和Cd-Fe键长为2.352(2)和2.5380(5)?。空间组是P1,其中a = 10.8900(2)?,b = 11.3042(3)?,c = 15.5488(4)?,α= 85.1251(10)o,β= 84.3468(14)o,γ= 72.0377( 15)o,V = 1808.93(7)≤3,D_(计算)。在150(1)K时= 1.478 g / cm〜3

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