CAJ | 학술논문

通过低温熔盐法合成了一种新型五硼酸盐RbB5O7（OH）2·H20，单晶X射线衍射结果证明该化合物属单斜晶系，P2／c空间群，α=0．7640（2）nm，b=0．9019（3）nm，c=1．0833（3）nm，β=103．681（5）°，V=0．7252（4）nm^3，Z=2．结构中BO3,BO2（OH）2，BO4基团形成的[B5O7（OH）2]之字链结构与RbO＋相连构成九面体-四面体空间骨架，水分子靠近之字链结构通道内侧，起到稳定骨架的作用．同时通过X粉晶衍射、红外光谱、热重等对化合物进行了表征．
통과저온용염법합성료일충신형오붕산염RbB5O7（OH）2·H20，단정X사선연사결과증명해화합물속단사정계，P2／c공간군，α=0．7640（2）nm，b=0．9019（3）nm，c=1．0833（3）nm，β=103．681（5）°，V=0．7252（4）nm^3，Z=2．결구중BO3,BO2（OH）2，BO4기단형성적[B5O7（OH）2]지자련결구여RbO＋상련구성구면체-사면체공간골가，수분자고근지자련결구통도내측，기도은정골가적작용．동시통과X분정연사、홍외광보、열중등대화합물진행료표정．
A pentaborate compound RbB5O7（OH）2·H20is prepared by cryogenic molten-salt method synthe- sis and characterized by X-ray single crystal diffraction. The title compound to monoclinic belongs systerm, space group P2/c, α=0.7640（2）nm,b=0.9019（3）nm,c=1.0833（3）nm,β=103.681（5）°,V=0.7252（4）nm^3,Z=2. The crystal structure of the compound contains infinite zigzag chain structure 1∞ [B5O7（OH）2],built of comer sharing BO3, BO2 （OH）2 and BO4 group. The chain things are connected via Rb＋ coordination octabedra. The central channel is flied by a helix made of water molecules. At tlae same time the title compound is charactered by XRD,IR,TG.