论文部分内容阅读
A novel one-dimensional chain complex [Pr2(bnbo)6(DMSO)4] (bnbo=3,5-binitro benzoyloxy, DMSO= dimethyl sulfoxide) with bridging carboxyl groups was synthesized and its structure has been determined by single-crystal X-ray methods. In the complex, a pair of adjacent metal ions are alternately connected by four or two carboxylate groups to form an infinite chain of 8-coordinated Pr3+ ions. The complex (Pr2C50H42N12O40S4 ) crystal system is triclinic, with space group P1, a=14.2890(3), b=14.3427(3), c=20.1601(2)? =76.636(1), b=84.496(1), =60.316(1)? V=3491.4(1)?, Z=2, Mr =1861.02, Dc=1.770 g/cm3, m=1.608mm-1, F(000)=1856, the final R=0.0776 and wR=0.1724 for 8804 reflections with I > 2s(I).
A novel one-dimensional chain complex [Pr2 (bnbo) 6 (DMSO) 4] (bnbo = 3,5-binitro benzoyloxy, DMSO = dimethyl sulfoxide) with bridging carboxyl groups was synthesized and its structure has been determined by single-crystal X -ray methods. In the complex, a pair of adjacent metal ions are connected by four or two carboxylate groups to form an infinite chain of 8-coordinated Pr3 + ions. The complex (Pr2C50H42N12O40S4) crystal system is triclinic with space group P1, a = 14.2890 (3), b = 14.3427 (3), c = 20.1601 (2) = 76.636 (1), b = 84.496 (1), = 60.316 (1) 2, Mr = 1861.02, Dc = 1.770 g / cm3, m = 1.608 mm-1, F (000) = 1856, the final R = 0.0776 and wR = 0.1724 for 8804 reflections with I> 2s (I).