Colorless organometallic ionic liquids from cationic ruthenium sandwich complexes: thermal properties, liquid properties, and crystal structures of [Ru(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)(η<sup>6</sup>-C<sub>6</sub>H<sub>5</sub>R)][X] (X = N(SO<sub>2</sub>CF<sub>3</sub>)<sub>2</sub>, N(SO<sub>2</sub>F)<sub>2</sub>, PF<sub>6</sub>)
作者:Aina Komurasaki、Yusuke Funasako、Tomoyuki Mochida
DOI:10.1039/c5dt00723b
日期:——
series of ionic liquids containing cationic ruthenium complexes ([Ru(C5H5)(C6H5R)]+) were prepared, and their thermal properties were investigated (R = C4H9 (1a), C8H17 (1b), OCH2OCH3 (2a), O(CH2CH2O)2CH3 (2b), O(CH2)3CN (3a), O(CH2)6CN (3b), CO(CH2)2CH3 (4a), CO(CH2)6CH3 (4b)). Bis(trifluoromethanesulfonyl)amide (TFSA) and bis(fluorosulfonyl)amide (FSA) were used as counter anions. These ionic liquids
制备了一系列含有阳离子钌配合物([Ru(C 5 H 5)(C 6 H 5 R)] +)的离子液体,并研究了它们的热性能(R = C 4 H 9(1a),C 8 H 17(1b),OCH 2 OCH 3(2a),O(CH 2 CH 2 O)2 CH 3(2b),O(CH 2)3 CN(3a),O(CH 2)6CN(3b),CO(CH 2)2 CH 3(4a),CO(CH 2)6 CH 3(4b))。双(三氟甲磺酰基)酰胺(TFSA)和双(氟磺酰基)酰胺(FSA)用作抗衡阴离子。这些离子液体是无色的,对空气和光线稳定。这些盐在从熔体中冷却后显示出玻璃化转变温度(T g= -82℃至-55℃),并且盐的玻璃化转变温度随着取代基的极性增加而增加(烷基<醚<氰基<羰基)。分解温度按烷基>氰基>羰基>醚的顺序降低。还评估了1a和2a盐的粘度,溶剂极性和折射率。还制备了六氟磷酸盐(PF 6)盐,它们是高熔点(T