Syntheses, Structures and Fluorescent Properties of Two 1D Chain Organic Amines and Metal Iodine Organic-inorganic Hybrid Compounds

Two bifunctional amines, 4-(2-aminoethyl)morpholine and histamine, were heated with PbI_2 and BiI_3 in concentrated HI aqueous solution to give one-dimensional(1D) organicinorganic hybrid compounds [(C_6H_(16)N_2O)PbI4]n(1) and [(C_(16)H_(20)N_(20))Bi_2I_(10)](2), respectively. In 1, the [PbI6] octahedra formed double chain anions through sharing-corner and-edge, and the protonated(C_6H_(16)N_2O)^(2+) cations were located at the vicinity of the double chains by hydrogen bonds. In 2, the [BiI_6] octahedra firstly formed dimeric [Bi_2I_(10)]^(4-) anion through sharing edge, and subsequently, the protonated histamine cations worked as bridge to link alternately with [Bi_2I_(10)]^(4-) anion by hydrogen bonds to form organic-inorganic hybrid 1D chains. In addition, compound 1 emitted a green light at the excitation wavelength of 400 nm and the maximum emission wavelength is at 503 nm.

一种新颖一维铅碘聚合物[(Pb_2I_5)(L-H^+)·2DMF]_n(L=Piperazine)的自组装合成和晶体结构(英文)

The lead iodide adduct [（Pb2I5）（L-H+）·2DMF]n （L=piperazine） has been prepared by self-assembly and structurally characterized. It presents one dimens ional structure and crystallizes in Triclinic, P1 space group with the crystal c ell parameter: a=0.922 06（18） nm, b=1.237 5（3） nm, c=1.297 2（3） nm,A=99.05（3）。,B=102.98（3）。,Y=250760.105.30（3）。,and V=1.3538（6）nm3,Z=2,D=3.078 Mg·m-3,w（Mo Ka）=18.127 mm-3‘,F（OOO）=1 085,chemical for-mula C16H43N8O4P4I10 and M2=2.509.39,the final R=0.053 3 and wR=0.1464 for 3 889 observed reflections with 1>2a（I）.CCDC:250760.

基于PbI_2的有机-无机杂化化合物的合成和晶体结构（英文）

合成得到了2个新的有机-无机杂化化合物{(4-CH_3-Bz-4-Ph-Py)[PbI_3]}_n(1)(其中4-CH_3-Bz-4-Ph-Py是4-甲基苄基-4-苯基吡啶阳离子)和{(4-CF3-Bz-4-Ph-Py)[PbI_3]}_n(2)(其中4-CF_3-Bz-4-Ph-Py是4-三氟甲基苄基-4-苯基吡啶阳离子)。对化合物1和2进行了元素分析、粉末X射线衍射等表征,并利用X射线单晶衍射测定了它们的单晶结构。化合物1属于正交晶系,P2_12_12空间群;化合物2与1同构。结构研究表明,化合物1和2中,铅碘八面体通过共边连接方式,形成[Pb_3I_9]_n三链,有机阳离子填充在无机碘化铅链空隙中。

基于PbBr_2的有机-无机杂化化合物的合成和晶体结构（英文）

合成得到了2个新的有机-无机杂化化合物{(4-CH_3-Bz-4-Ph-Py)[PbBr_3]}_n(1)(4-CH_3-Bz-4-Ph-Py+=4-甲基苄基-4-苯基吡啶离子)和{(4-F-Bz-4-Ph-Py)[PbBr_3]}_n(2)(4-F-Bz-4-Ph-Py+=4-氟苄基-4-苯基吡啶离子)。对化合物1和2进行了元素分析、粉末X射线衍射等表征,并利用X射线单晶衍射测定了它们的单晶结构,配合物1与2同构,均属于正交晶系,P21212空间群。结构研究表明,配合物1和2中,铅溴八面体通过共边连接方式,形成[Pb_3Br_9]n三链,有机阳离子填充在无机溴化铅链空隙中。配合物1和2均未作手性分离。

Distinct phase transitions and dielectric anomalies in two 4-methylanilinium salts

Solid-state phase transitions of 4-methylanilinium perchlorate （4-CH3C6H4NH3.C104, 1） and tetrafluoroborate （4-CH3C6H4- NH3-BF4, 2） were investigated with variable-temperature X-ray single-crystal structure analysis and thermal studies. Both 1 and 2 undergo first-order phase transitions and exhibit distinct dielectric anomalies at 385 and 247 K, respectively.

刚性有机胺导向的IVA族卤化物杂化聚合物{[H_2TEDA][(PbI_3)NO_3]·H_2O}_n的合成和晶体结构

报道一个在水热条件下合成得到的刚性有机胺(质子化的三乙烯二胺)导向的新颖杂化聚合物{[(H2TEDA)(PbI3)NO3].H2O}n(1).用X-射线衍射进行结构确定,并对其进行红外、紫外光谱表征.结构解析表明,标题物晶体属于正交晶系,Pbam空间群,晶胞参数为a=26.884(5)nm,b=7.842 0(16)nm,c=0.951 11(19)nm,V=2.005 2(7)nm3,Z=1,Dc=2.485 mg.m-3,F(000)=1 312,μ(Mokα)=13.026mm-1,最终偏离因子R1=0.065 5,wR2=0.185 4.标题物整个结构由质子化的三乙烯二胺阳离子、一维(PbI3)nn-聚阴离子链以及NO3-离子和水分子组成,其中聚阴离子链(PbI3)nn-由PbI6八面体反式共面形成,NO3-离子和水分子作为抗衡离子和空间填充分子堆积在晶胞内,它们之间靠静电作用结合在一起.还对标题化合物进行了光学带隙测试,结果表明,其带隙为2.38 eV,属于半导体.