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N,N'-双(4-溴-亚苄基)-2,2-二甲基丙烷-1,3-二胺

N,N'-Bis(4-bromo-benzyl-idene)-2,2-dimethyl-propane-1,3-diamine.

作者信息

Kia Reza, Fun Hoong-Kun, Kargar Hadi

出版信息

Acta Crystallogr Sect E Struct Rep Online. 2009 Mar 14;65(Pt 4):o747. doi: 10.1107/S1600536809008113.

DOI:10.1107/S1600536809008113
PMID:21582479
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2968840/
Abstract

The mol-ecule of the title compound, C(19)H(20)Br(2)N(2), is a potential bidentate Schiff base ligand. The two benzene rings are inclined at a dihedral angle of 30.85 (8)°. An inter-esting feature of the crystal structure is a weak inter-molecular Br⋯Br [3.4752 (4) Å] inter-action which is shorter than the sum of the van der Waals radii of the Br atoms and links neighbouring mol-ecules into chains along the c axis. The crystal structure is further stabilized by inter-molecular C-H⋯π inter-actions.

摘要

标题化合物C(19)H(20)Br(2)N(2)的分子是一种潜在的双齿席夫碱配体。两个苯环以30.85 (8)°的二面角倾斜。晶体结构的一个有趣特征是存在弱的分子间Br⋯Br [3.4752 (4) Å]相互作用，该相互作用短于Br原子的范德华半径之和，并将相邻分子沿c轴连接成链。晶体结构通过分子间C-H⋯π相互作用进一步稳定。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0522/2968840/e576333427af/e-65-0o747-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0522/2968840/dba8bb94ca83/e-65-0o747-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0522/2968840/e576333427af/e-65-0o747-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0522/2968840/dba8bb94ca83/e-65-0o747-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0522/2968840/e576333427af/e-65-0o747-fig2.jpg

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本文引用的文献

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Acta Crystallogr Sect E Struct Rep Online. 2008 Jun 19;64(Pt 7):o1308. doi: 10.1107/S1600536808018345.
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Structure validation in chemical crystallography.化学晶体学中的结构验证
Acta Crystallogr D Biol Crystallogr. 2009 Feb;65(Pt 2):148-55. doi: 10.1107/S090744490804362X. Epub 2009 Jan 20.
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A short history of SHELX.SHELX简史。
Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22. doi: 10.1107/S0108767307043930. Epub 2007 Dec 21.
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Three-dimensional supramolecular structures in (E,E)-N,N'-bis(4-nitrobenzylidene)butane-1,4-diamine and (E,E)-N,N'-bis(4-nitrobenzylidene)hexane-1,6-diamine.
Acta Crystallogr C. 2006 Jan;62(Pt 1):o1-4. doi: 10.1107/S0108270105035766. Epub 2005 Dec 10.
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Isomeric N-(iodophenyl)nitrophthalimides: interplay of C-H...O hydrogen bonds, iodo...nitro and iodo...carbonyl interactions, and aromatic pi...pi stacking interactions.同分异构的N-(碘苯基)硝基邻苯二甲酰亚胺：C-H...O氢键、碘...硝基和碘...羰基相互作用以及芳香π...π堆积相互作用之间的相互影响
Acta Crystallogr B. 2005 Apr;61(Pt 2):227-37. doi: 10.1107/S0108768105004234. Epub 2005 Mar 16.
6
pi-Stacked hydrogen-bonded sheets in N,N'-bis(4-nitrobenzylidene)ethane-1,2-diamine and pi-stacked hydrogen-bonded chains in N,N'-bis(4-nitrobenzylidene)propane-1,3-diamine.
Acta Crystallogr C. 2005 Jan;61(Pt 1):o53-6. doi: 10.1107/S0108270104030719. Epub 2004 Dec 18.