The title complex [Fe(L-trp)2(HL-trp)2]n (L-trp = L-tryptohan or 2-amino-3-(1H -indol-3-yl)-propanoic acid) has been formed by a hydrothermal method involving hexaaquacobaltous perchlorate and L-tryptophan. Th...The title complex [Fe(L-trp)2(HL-trp)2]n (L-trp = L-tryptohan or 2-amino-3-(1H -indol-3-yl)-propanoic acid) has been formed by a hydrothermal method involving hexaaquacobaltous perchlorate and L-tryptophan. The product was characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to the monoclinic system, space group P211c, with a = 19.828(3), b = 5.4233(14), c = 9.2796(16) A, β= 97.691(2)°, V = 988.9(3) A3, Z = 2, Mr = 462.29, Dx = 1.553 g/cm3, F(000) = 480,/a = 0.802 mm^-1, the final R = 0.0399 and wR = 0.0930 for 1738 observed reflections with I 〉 2σ(/). The structural analysis shows that the complex assumes a two-dimensional double chain plane structure.展开更多
基金Supported by the foundation of the Science Committee of Jiangsu Province (No. BK2005045)the Key Marine Biotechnology Laboratory of Jiangsu Province (No. 2005HS010)
文摘The title complex [Fe(L-trp)2(HL-trp)2]n (L-trp = L-tryptohan or 2-amino-3-(1H -indol-3-yl)-propanoic acid) has been formed by a hydrothermal method involving hexaaquacobaltous perchlorate and L-tryptophan. The product was characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to the monoclinic system, space group P211c, with a = 19.828(3), b = 5.4233(14), c = 9.2796(16) A, β= 97.691(2)°, V = 988.9(3) A3, Z = 2, Mr = 462.29, Dx = 1.553 g/cm3, F(000) = 480,/a = 0.802 mm^-1, the final R = 0.0399 and wR = 0.0930 for 1738 observed reflections with I 〉 2σ(/). The structural analysis shows that the complex assumes a two-dimensional double chain plane structure.