The polymorphism of nitrofurantoin (NF), 1), the cocrystals of NF:2,2’-bipyridyl = 2:1, 2) and NF: 1,10-phenanthroline = 1:1, 3) have been prepared and characterized. The crystal structure analyses show that there ar...The polymorphism of nitrofurantoin (NF), 1), the cocrystals of NF:2,2’-bipyridyl = 2:1, 2) and NF: 1,10-phenanthroline = 1:1, 3) have been prepared and characterized. The crystal structure analyses show that there are various weak forces among the molecules, such as C/N-H···O, N-H···N hydrogen bond interactions and π···π/lone pair stacking interactions, which play a key role in the assembly of supramolecular networks. A thorough analysis of Hirshfeld surfaces and fingerprint plots facilitates a comparison of intermolecular interactions in 1 - 3, which are crucial in building supramolecular architectures.展开更多
Spintronics is a cutting-edge field of developing new electronic devices by manipulating the electron spin and magnetic moment[1].Traditional spintronic research mainly focuses on transition metals and inorganic semic...Spintronics is a cutting-edge field of developing new electronic devices by manipulating the electron spin and magnetic moment[1].Traditional spintronic research mainly focuses on transition metals and inorganic semiconductors,while organic molecules have the advantage of being extremely easy to realize efficient spin control by modifying the specific external conditions for desired electronic structures and magnetic characteristics.Corrole,as a ring-contracted porphyrin,is the aromatic analog of the central macrocycle of vitamin Bi2.Corrole has a squeezed inner cavity and three inner NHs in its free-base form,making it easier to stabilize high-valent metal ions and thus a promising candidate in spintronics.展开更多
文摘The polymorphism of nitrofurantoin (NF), 1), the cocrystals of NF:2,2’-bipyridyl = 2:1, 2) and NF: 1,10-phenanthroline = 1:1, 3) have been prepared and characterized. The crystal structure analyses show that there are various weak forces among the molecules, such as C/N-H···O, N-H···N hydrogen bond interactions and π···π/lone pair stacking interactions, which play a key role in the assembly of supramolecular networks. A thorough analysis of Hirshfeld surfaces and fingerprint plots facilitates a comparison of intermolecular interactions in 1 - 3, which are crucial in building supramolecular architectures.
文摘Spintronics is a cutting-edge field of developing new electronic devices by manipulating the electron spin and magnetic moment[1].Traditional spintronic research mainly focuses on transition metals and inorganic semiconductors,while organic molecules have the advantage of being extremely easy to realize efficient spin control by modifying the specific external conditions for desired electronic structures and magnetic characteristics.Corrole,as a ring-contracted porphyrin,is the aromatic analog of the central macrocycle of vitamin Bi2.Corrole has a squeezed inner cavity and three inner NHs in its free-base form,making it easier to stabilize high-valent metal ions and thus a promising candidate in spintronics.
基金supported by the National Natural Science Foundation of China (21271143)Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) (YX03001)+1 种基金Jiangsu Province Double Innovation Talent Program (090300014001)Nanjing University of Posts & Telecommunications (NY212004)