Mössbauer and ESR study of pyridine-inactive phthalocyanineiron (II) in zeolite supercage

Mössbauer and ESR study of pyridine-inactive phthalocyanineiron (II) in zeolite supercage
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沸石超级笼中吡啶非活性酞菁铁 (II) 的穆斯堡尔和 ESR 研究

DOI:
10.1007/bf02164093
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发表时间:
1991
影响因子:
1.6
通讯作者:
T. Tominaga
T. Tominaga
中科院分区:
化学4区
文献类型:
--
作者:
M. Tanaka;Y. Minai;T. Watanabe;T. Tominaga

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在NaY分子筛超笼中合成了吡啶处理的酞菁铁(II)(FePc)。穆斯堡尔谱表明吡啶非活性FePc的存在下,没有任何变化的穆斯堡尔参数。非活性配合物的相对产率并不简单地取决于铁掺杂量和还原制备温度。自旋-自旋相互作用可能已经扩大了ESR信号在g=6的FePc在沸石中,这表明FePc分子位于靠近在一起的沸石。据推测,两种类型的FePc在沸石颗粒中形成,根据FePc吡啶加合物形成的反应性。
Pyridine-treated phthalocyanineiron (II) (FePc) was synthesized in a NaY-zeolite supercage. Mössbauer spectra indicated the presence of pyridine-inactive FePc without any change of Mössbauer parameters. The relative yield of the inactive complex was not simply dependent on the amount of iron doped and the temperature during reduction for preparation. Spin-spin interaction may have broadened the ESR signal at g=6 for FePc in zeolite, suggesting that the FePc molecules are located close together in zeolite. It is postulated that two types of FePc in zeolite particle were formed, in accordance with the reactivity of FePc to pyridine adduct formation.
DOI: 10.1021/j100412a069
发表时间: 1986-10
期刊: The Journal of Physical Chemistry
影响因子: --
作者:
M. Iwamoto;Shinichiro Nakamura;Hideto Kusano;S. Kagawa
通讯作者: M. Iwamoto;Shinichiro Nakamura;Hideto Kusano;S. Kagawa