Two polymorphs of the inclusion compound [(n-C4H9)4N]+'(C13H903)H2O have been prepared and characterized by X-ray crystallography. Polymorph 1: triclinic P1, a = 13.4982(2), b = 13.5743(2), c = 17.1996(2)...Two polymorphs of the inclusion compound [(n-C4H9)4N]+'(C13H903)H2O have been prepared and characterized by X-ray crystallography. Polymorph 1: triclinic P1, a = 13.4982(2), b = 13.5743(2), c = 17.1996(2) A, at = 67.045(1),β = 77.845(1), γ= 88.762(1)°, V = 2830.43(7) A3, Z = 4, R = 0.0491, wR= 0.1276; Polymorph 2: tetragonal P43, a = b = 13.53690(1) A, c = 30.8491(8) A, V = 5653.02(16) A3, Z = 8, R = 0.0448, wR = 0.0984. In these two crystal structures, the hydrogen-bonded ribbons built of 4,4'-dihydroxybenzophenone (DHBP, C13H1003) anions and water molecules are orderly arranged to generate two-dimensional host layers, with tetrabutylammonium cations contained between the layers to form the sandwich-like inclusion compounds. The structures of 1 and 2, which exist as two polymorphs, both display the similar packing pattern and hydrogen-bond linking model.展开更多
文摘Two polymorphs of the inclusion compound [(n-C4H9)4N]+'(C13H903)H2O have been prepared and characterized by X-ray crystallography. Polymorph 1: triclinic P1, a = 13.4982(2), b = 13.5743(2), c = 17.1996(2) A, at = 67.045(1),β = 77.845(1), γ= 88.762(1)°, V = 2830.43(7) A3, Z = 4, R = 0.0491, wR= 0.1276; Polymorph 2: tetragonal P43, a = b = 13.53690(1) A, c = 30.8491(8) A, V = 5653.02(16) A3, Z = 8, R = 0.0448, wR = 0.0984. In these two crystal structures, the hydrogen-bonded ribbons built of 4,4'-dihydroxybenzophenone (DHBP, C13H1003) anions and water molecules are orderly arranged to generate two-dimensional host layers, with tetrabutylammonium cations contained between the layers to form the sandwich-like inclusion compounds. The structures of 1 and 2, which exist as two polymorphs, both display the similar packing pattern and hydrogen-bond linking model.