Synthesis and crystal and molecular structures of diisopropyl N,N-diethylcarbamylmethylenephosphonate samarium nitrate and erbium nitrate complexes
作者:S.M. Bowen、E.N. Duesler、R.T. Paine
DOI:10.1016/s0020-1693(00)89134-3
日期:1982.1
(carbonyl) 2.433(2) A, SmO (phosphoryl) 2.418(3) A, SmO (nitrate)avg 2.589(5) A, PO (phosphoryl) 1.480(2) A and CO (carbonyl) 1.261(3) A. The structure of 4 was determined at 25°C from 8432 independent reflections. The compound crystallizes in the triclinic space group P 1 with a = 11.590(2) A, b = 12.321(2) A, c = 14.840(4) A, α = 97.40(2)°, β = 91.85(2)°, λ = 95.17(1)°, Z = 2, V = 2090.9 A3 and
摘要硝酸mar [二异丙基N,N-二乙基氨基甲酰基亚甲基膦酸酯] sa,Sm [(i-C3H7O)2P(O)CH2C(O)N(C2H5)2] 2(NO3)3 3和双[二异丙基N,N-二乙基氨基甲酰基亚甲基膦酸酯]-硝酸((III)一水合物,由乙醇溶液的组合制备了Er [(i-C3H7O)2P(O)CH2C(O)N(C2H5)2] 2(NO3)·(H2O)4具有膦酸酯配体的Sm(NO3)3·5H2O或Er(NO3)3·5H2O的合成。分离得到的复合物,并通过红外和1H,13C1H和31P1H NMR光谱进行表征。此外,已经完成了3和4的单晶X射线分析。由计算机自动衍射仪获得的7634次独立反射在−17°C下确定3的结构。该复合物在单斜空间群C2 / c中结晶,其a = 25.672(10)A,b = 11.431(5)A,c = 18.731(5)A,β= 133.73(2)°,Z = 4,V