Br2复合体与3,5-非替代的化连接体
Christopher P Landee1, Diane A Dickie2, Mark M Turnbull3
1Dept. of Physics, Clark University, 950 Main St., Worcester, MA 01610, USA.
概括
新的协调聚合物被合成使用铜 (II) 化物和替代化物. 这些聚合物具有双化物桥接铜 (II) 链,在固态结构中观察到不同的分子间相互作用.
科学领域:
- 协调化学 协调化学
- 材料科学 材料科学 材料科学
- 晶体学 晶体学是指结晶学.
背景情况:
- 铜 (II) 化物作为合成协调聚合物的多功能前体.
- 替代的氨酸,如3,5-二氨酸和3,5-二甲基氨酸,可以在金属有机框架中充当连接体.
- 了解金属配体复合物的自我组装对于设计新型材料至关重要.
研究的目的:
- 为了合成和表征新的协调聚合物铜 (II) 与3,5-二和3,5-二甲.
- 研究由此产生的协调聚合物的结构特征,包括桥接配体和分子间相互作用.
- 探索胺替代剂对晶体包装和铜协调网络的维度的影响.
主要方法:
- 铜(II) 化物与3,5-二二和3,5-二甲二的反应.
- 结果的协调聚合物的隔离和单晶X射线衍射分析.
- 协调聚合物结构的表征,包括键距离和分子间相互作用.
主要成果:
- 两种协调聚合物[CuBr2[3,5-Cl2py) ] (1) 和[CuBr2[3,5-Me2py) ] (2) 已成功合成.
- 这两种化合物均表现出双化物桥接铜(II) 链,平均CuCu距离为3.93(9) Å.
- 聚合物1显示通过非经典的键和键连接,而聚合物2仅显示非经典的键.
结论:
- 铜(II) 化物与被替代的化物反应产生一维协调聚合物.
- 皮里丁替代物的性质影响了分子间相互作用和固态中的晶体包装.
- 在这些铜 (II) 协调聚合物系统中,比布罗米德桥梁是常见的图案.
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