四水-(5,5'-二甲基-2,2'-联吡啶基-κ(2) N,N')硫酸盐铁的晶体结构

IF 0.9
Yamine Belamri, Fatima Setifi, Bojana M Francuski, Sladjana B Novaković, Setifi Zouaoui
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引用次数: 4

摘要

在标题化合物[Fe(C12H12N2)(H2O)4]SO4中,中心的Fe(II)离子由来自5,5'-二甲基-2,2'-双吡啶配体的两个N原子和四个水O原子以扭曲的八面体几何结构配位。Fe-O配位键的长度从2.080(3)到2.110 (3)Å不等,而两个Fe-N配位键的长度几乎相同[2.175(3)和2.177 (3)Å]。N-Fe-N螯合角为75.6(1)°,与理想的八面体几何形状偏差最大;其他配位角偏离理想值0.1(1)~ 9.1(1)°。阳离子络合物的四个水配体和阴离子的四个O原子受体之间的O- h⋯O氢键导致形成平行于ab平面的层。邻近层通过涉及横向定位的双吡啶环的C-H⋯O和π-π相互作用进一步相互作用。π-π相互作用环的垂直距离为3.365 (2)Å,质心-质心距离为3.702 (3)Å。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.

Crystal structure of tetra-aqua-(5,5'-dimethyl-2,2'-bipyridyl-κ(2) N,N')iron(II) sulfate.

In the title compound, [Fe(C12H12N2)(H2O)4]SO4, the central Fe(II) ion is coordinated by two N atoms from the 5,5'-dimethyl-2,2'-bi-pyridine ligand and four water O atoms in a distorted octa-hedral geometry. The Fe-O coordination bond lengths vary from 2.080 (3) to 2.110 (3) Å, while the two Fe-N coordination bonds have practically identical lengths [2.175 (3) and 2.177 (3) Å]. The chelating N-Fe-N angle of 75.6 (1)° shows the largest deviation from an ideal octa-hedral geometry; the other coordination angles deviate from ideal values by 0.1 (1) to 9.1 (1)°. O-H⋯O hydrogen bonding between the four aqua ligands of the cationic complex and four O-atom acceptors of the anion leads to the formation of layers parallel to the ab plane. Neighbouring layers further inter-act by means of C-H⋯O and π-π inter-actions involving the laterally positioned bi-pyridine rings. The perpen-dicular distance between π-π inter-acting rings is 3.365 (2) Å, with a centroid-centroid distance of 3.702 (3) Å.

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来源期刊
自引率
33.30%
发文量
0
审稿时长
1.3 months
期刊介绍: Acta Crystallographica Section E: Structure Reports Online is the IUCr highly popular open-access structural journal. It provides a simple and easily accessible publication mechanism for the growing number of inorganic, metal-organic and organic crystal structure determinations. The electronic submission, validation, refereeing and publication facilities of the journal ensure very rapid and high-quality publication, whilst key indicators and validation reports provide measures of structural reliability. In 2009, the journal published over 4000 structures. The average publication time is less than one month.
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