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Dichloro[(3,5-dimethyl-1H-pyrazol-1-yl)methane]zinc(II) and di-mu-chloro-bis{chloro[(3,5-dimethyl-1H-pyrazol-1-yl)methane]cadmium(II)}.
Acta Crystallographica Section C ( IF 0.7 ) Pub Date : 2006 Feb , DOI: 10.1107/s0108270106001387
Mei-Ling Cheng , Hong-Xi Li , Yong Zang , Jian-Ping Lang

The Zn atom in dichloro[(3,5-dimethyl-1H-pyrazol-1-yl)methane]zinc(II), [ZnCl2(C11H16N4)], (I), is tetrahedrally coordinated by two N atoms from one bis(3,5-dimethylpyrazolyl)methane ligand and two terminal Cl atoms. The molecule has no crystallographic symmetry. One H atom of the CH2 group of the bis(3,5-dimethylpyrazolyl)methane ligand interacts with a Cl atom of an adjacent molecule to yield intermolecular C-H...Cl contacts, thereby forming a one-dimensional zigzag chain extending along the b axis. On the other hand, in di-mu-chloro-bis{chloro[(3,5-dimethyl-1H-pyrazol-1-yl)methane]cadmium(II)}, [Cd2Cl4(C11H16N4)2], (II), each of the two crystallographically equivalent Cd atoms is pentacoordinated by two N atoms from one bis(3,5-dimethylpyrazolyl)methane ligand, and by one terminal and two bridging Cl- anions. The molecule has a crystallographic centre of symmetry located at the mid-point of the Cd...Cd line. One H atom of the CH2 group of the bis(3,5-dimethylpyrazolyl)methane ligand interacts with a Cl atom of an adjacent molecule to produce pairwise intermolecular C-H...Cl contacts, thereby affording chains of molecules running along the c axis.

中文翻译:

二氯[(3,5-二甲基-1H-吡唑-1-基)甲烷]锌(II)和二亩-氯-双{氯[(3,5-二甲基-1H-吡唑-1-基)甲烷]镉(II)}。

二氯[(3,5-二甲基-1H-吡唑-1-基)甲烷]锌(II),[ZnCl2(C11H16N4)](I)中的锌原子与来自一个双( 3,5-二甲基吡唑基)甲烷配体和两个末端Cl原子。该分子没有晶体学对称性。双(3,5-二甲基吡唑基)甲烷配体的CH2基团的一个H原子与相邻分子的Cl原子相互作用以产生分子间CH ... Cl接触,从而形成沿b延伸的一维之字形链轴。另一方面,在二-氯-双{氯[(3,5-二甲基-1H-吡唑-1-基)甲烷]镉(II)}中,[Cd2Cl4(C11H16N4)2],(II) ,两个晶体学上等效的Cd原子中的每一个都被一个双(3,5-二甲基吡唑基)甲烷配体中的两个N原子,一个末端和两个桥连的Cl-阴离子配位。该分子的晶体学对称中心位于Cd ... Cd线的中点。双(3,5-二甲基吡唑基)甲烷配体的CH2基团的一个H原子与相邻分子的Cl原子相互作用以产生成对的分子间CH ... Cl接触,从而提供沿c轴延伸的分子链。
更新日期:2017-01-31
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