A novel bis(β-diketonate) derivate, 3,6-bis(4,4,4-trifluorobutane-1,3-dione)-9-n- butylcarbazole 1, was synthesized and structurally characterized by single-crystal X-ray diffrac- tion. The crystal belongs to the...A novel bis(β-diketonate) derivate, 3,6-bis(4,4,4-trifluorobutane-1,3-dione)-9-n- butylcarbazole 1, was synthesized and structurally characterized by single-crystal X-ray diffrac- tion. The crystal belongs to the monoclinic system, space group P2 1/c with a = 10.961(6), b = 22.942(13), c = 9.408(6)A, α = 90, β = 109.663(9), y = 90°, V = 2228(2)A^3, Z = 4, Dc = 1.489 g/cm^3, C24H19F6NO4, Mr = 499.40, F(000) = 1024 and μ = 0.134 mm^-1. The structure was refined to the final R = 0.0699 and wR = 0.1627 for 3744 independent reflections (Rint = 0.1288) and 1349 observed reflections (I 〉 2σ(I)). Compound 1 consists of carbazole unit and two terminal diketonate groups, in which carbazole and its two adjacent diketonate rings are almost coplanar. Moreover, compound 1 was characterized with IR, elemental analysis, IH NMR, MS, electronic absorption, and single-photon fluorescence.展开更多
基金This work was supported by the National Natural Science Foundation of China (No. 50532030, 50325311, 50335050)Scientific Research & Development Foundation of Hefei University (No. 07KY003ZR)
文摘A novel bis(β-diketonate) derivate, 3,6-bis(4,4,4-trifluorobutane-1,3-dione)-9-n- butylcarbazole 1, was synthesized and structurally characterized by single-crystal X-ray diffrac- tion. The crystal belongs to the monoclinic system, space group P2 1/c with a = 10.961(6), b = 22.942(13), c = 9.408(6)A, α = 90, β = 109.663(9), y = 90°, V = 2228(2)A^3, Z = 4, Dc = 1.489 g/cm^3, C24H19F6NO4, Mr = 499.40, F(000) = 1024 and μ = 0.134 mm^-1. The structure was refined to the final R = 0.0699 and wR = 0.1627 for 3744 independent reflections (Rint = 0.1288) and 1349 observed reflections (I 〉 2σ(I)). Compound 1 consists of carbazole unit and two terminal diketonate groups, in which carbazole and its two adjacent diketonate rings are almost coplanar. Moreover, compound 1 was characterized with IR, elemental analysis, IH NMR, MS, electronic absorption, and single-photon fluorescence.