Co-crystallization of 2,3,6,7,10,11-hexahydroxytriphenylene(L)with nicotinic acid(3-pyaH)and isonicotinic acid(4-pyaH)offers L·(3-pyaH)·5 H2O(1)and L·2(4-pya H)·5 H2O(2),respectively.In 1,each L li...Co-crystallization of 2,3,6,7,10,11-hexahydroxytriphenylene(L)with nicotinic acid(3-pyaH)and isonicotinic acid(4-pyaH)offers L·(3-pyaH)·5 H2O(1)and L·2(4-pya H)·5 H2O(2),respectively.In 1,each L links three neighboring L molecules via O-H···O and C-H···O hydrogen bonds,furnishing a 1 D chain.The hydrogen bonding and p-p stacking deriving from 3-pyaH and L extend the chains to a 2D layer.Lattice water molecules are interconnected to 3-pyaH via hydrogen bonds into a 1 D[(3-pya H)×5 H2O]￥chain.While in 2,Hydrogen bonding between L and 4-pyaH produces a 2D net with triangle and parallelogram grids.Water molecules locate in interlayer and grids,and O(1 w)and O(2 w)link 4-pyaH into a 1 D[(4-pyaH)×2 H2O]∞ chain.展开更多
This paper briefly introduces the wisdom of management contained in the quintessence of the wisdom of Chinese ancient sages ＂The quintessence of wisdom in books of all sorts＂, and explores the application of the tra...This paper briefly introduces the wisdom of management contained in the quintessence of the wisdom of Chinese ancient sages ＂The quintessence of wisdom in books of all sorts＂, and explores the application of the traditional Chinese wisdom in resolving vari- ous dilemmas or crisis in today＇s human society, to help the society, the nation, and the enterprises solve the management problems.展开更多
基金Supported by the Scientific Research Project of Guangzhou Municipal Universities(1201620100)the Natural Science Foundation of Guangdong Province(2017A030313072,2016A030313619)
文摘Co-crystallization of 2,3,6,7,10,11-hexahydroxytriphenylene(L)with nicotinic acid(3-pyaH)and isonicotinic acid(4-pyaH)offers L·(3-pyaH)·5 H2O(1)and L·2(4-pya H)·5 H2O(2),respectively.In 1,each L links three neighboring L molecules via O-H···O and C-H···O hydrogen bonds,furnishing a 1 D chain.The hydrogen bonding and p-p stacking deriving from 3-pyaH and L extend the chains to a 2D layer.Lattice water molecules are interconnected to 3-pyaH via hydrogen bonds into a 1 D[(3-pya H)×5 H2O]￥chain.While in 2,Hydrogen bonding between L and 4-pyaH produces a 2D net with triangle and parallelogram grids.Water molecules locate in interlayer and grids,and O(1 w)and O(2 w)link 4-pyaH into a 1 D[(4-pyaH)×2 H2O]∞ chain.
文摘This paper briefly introduces the wisdom of management contained in the quintessence of the wisdom of Chinese ancient sages ＂The quintessence of wisdom in books of all sorts＂, and explores the application of the traditional Chinese wisdom in resolving vari- ous dilemmas or crisis in today＇s human society, to help the society, the nation, and the enterprises solve the management problems.
