supported by the National Natural Science Foundation of China (No. 21101025)
A new phase transition compound,2-methoxyanilinium perchlorate-18-crown-6(1) {(oCH3OC6H4NH3)+(18-crown-6) ClO4 },has been synthesized and separated as crystals.Differential scanning calorimetry(DSC) measureme...
supported by the NSF of Guangxi Province (No. 0575046, 0575049);the Program for New Century Ten-Hundred-Thousand Excellent Talents of Guangxi (No. 2003223);the National Natural Science Foundation of China (No. 20361002, 30460153) as well as TRAPOYT;NCET-04-0836 of Chinese Ministry of Education
The Schiff base pyridine-2-carboxaldehyde-4-aminoantipyrine (CI7H16N4O 1) and its perchlorate (C17H17N4O·ClO4 2) have been prepared and characterized by elemental analysis, IR spectra and single-crystal X-ray cry...
The synthesis of the title compound ([C28H22ClN2]·ClO4) has been synthesized and its structure was determined by X-ray diffraction. The compound belongs to the monoclinic system, space group P21/n with a = 15.113(5),...
This work was supported by the foundation for University Key Teacher by the Ministry of Education and the foundation for Innovative Youth of Fujian province (No 2002J001)
The title compound (C22H32.5ClCoN6O8.25, Mr = 607.42) crystallizes in the orthor- hombic system, space group C2221 with a = 11.320(2), b = 20.933(4), c = 23.936(5) ? V = 5672(2) 3, Dc = 1.423 g/cm3, Z = 8, m(MoKa) = 0...
The title complex [(C8H23N4)3+ (ClO4)3-]. H2O was crystallized intriclinic system, P1 space group with unite cell parameters: a= 8. 386(2), b= 10. 558(2), c=11. 865(3) A, a= 77. 75(2)’ β= 72. 65(2),γ= 74. 77(2)°, ...
The title complex [(C8H23N4)3+ (ClO4)3-]. H2O was crystallized intriclinic system, P1 space group with unite cell parameters: a= 8. 386(2), b= 10. 558(2), c=11. 865(3) A, a= 77. 75(2)’ β= 72. 65(2),γ= 74. 77(2)°, ...
The complex [Cu (dppp)2] (ClO4) was prepared by the reaction ofcopper (Ⅱ) perchlorate wlth bis(diphenylphosphino) propane (dppp) in methanol, andits crystal structure was determlned by X-ray crystallography. The crys...
The title complex [Er_2 (His·H ̄+)_4 (H_2O)_8] (ClO_4)_(10)·4H_2O was synthesized in aqueous solution and its crystal structure was determined by X ray diffraction method. The crystal is triclinic, space group P1 wi...
Based on the phase equilibrium study of the system Sm(ClO4)3-4-monochloroace-tylantipyrine (C13H13ClN2O2)-H2O at 30℃, we have synthesized the title complex [Sm(C13H13Cl. N2O2)3(H2O)4](C1O4)3.4H2O. The single crystal...