CRYSTAL STRUCTURE OF GdCl_3(DIMETHOXYETHANK)_2

来源 :结构化学 | 被引量 : 0次 | 上传用户:xxn1954
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
C8H2oCl3GdO4,Mr=443.80,monoclinic, space group P21/c, a=11.442 (3),b= 8.849(2), c= 15.575(5)A,β=104.8l(2)° ,V=1521.9(7)A3,Z= 4, DC = 1.94 g/cm3,λ(MoKα) =0.71069A,F(000)=860. The structure was solved by Patterson and Fourier techniques and refined by least-squares nethod to a final conventional lvalue of 0.051 (Rw=0.054). The central ion Gd(III) is bonded to three chlorine atoms and four oxygen atoms froa two dimethoxye-thane molecules to form a distorted pentagonal bipyramid. The Qd-Cl distances are in the range of 2.460-2.628A (average 2.571A). The Gd-O distances are in the range of 2.408-2.493A (average 2.458A). A = 11.442 (3), b = 8.849 (2), c = 15.575 (5) A, β = 104.81 (2) °, V = 1521.9 (7) ) A3, Z = 4, DC = 1.94 g / cm3, λ (MoKα) = 0.71069A, F (000) = 860 The structure was solved by Patterson and Fourier techniques and refined by least-squares nethod to a final conventional lvalue of 0.051 (Rw = 0.054). The central ion Gd (III) is bonded to three chlorine atoms and four oxygen atoms froa two dimethoxye-thane molecules to form a distorted pentagonal bipyramid. The Qd-Cl are located in the range of 2.460- 2.628A (average 2.571A). The Gd-O distances are in the range of 2.408-2.493A (average 2.458A).
其他文献
英国某公司铸造车间生产铸钢件、灰铸铁件和球墨铸铁件,采用CO2法造型,型砂再生装置(见图)已使用两年。 Casting, gray cast iron and ductile iron castings from a UK fou
本文介紹了管状工件在磁粉探伤中应考虑的主要影响因素。本文重点总結了纵向磁化的磁場强度分布及变化規律,为长工件分段探伤提供了基础。本文对纵向磁化規范作了进一步的探
如图1所示的非淬火钢、深孔(L/d>10)零件,要求孔的光洁度达▽▽▽▽10,我们采用了下述工艺。一、零件制造的工艺过程下料→粗车内外圆→调质(硬度达R_C28~32)→精车内外圆→
Quinoxaline 1,4-dioxide (QO2), C8HsN2O2, Mr=162.14,monoclinic, space group P21,a = 4.112(2), b = 7.402(3), c = 11.378(8) A,β= 94.69(5)°, V=345.1A3,Z= 2,Dc= 1
随着我国经济总体形势企稳向好,经济结构战略调整的紧迫性更显突出。记者近期在10多个省份调查发现,在国内国际多重因素作用下,结构矛盾呈现八大 As the general economic s
现介绍一种研磨大尺寸光面锥度环规的半自动化机构。该机构装于C620型车床上,经实验,效果良好,已正式投入生产。一、传动机构该机构计有三个运动:(1)研棒旋转运动;(2)工件与
Background It has been reported that elevated serum lipoprotein (α)[ Lp(α)] increased cardiovascular risk. However, whether this effect is independent of seru
今年第8期《大众电影》发表了一篇题为《〈董存瑞〉“:真实”创造的经典》一文,称没有人亲[看见董存瑞托起炸药包的情景,这一英雄壮举完全是事后根据一些蛛丝马迹推测出来的
我厂一连革命职工,在毛主席《鞍钢宪法》伟大红旗的指引下,认真学习毛主席哲学思想,大搞技术革新和技术革命。对车削轴承套圈由原来每台机床装二把车刀,改成 Under the guid
期刊
概述本文介绍了用控制气氛光谱法直接测定氧化铽中十四个稀土杂质。使用 PGS-2二米平面光栅摄谱仪,直流电弧阳极激发;氩、氧保护,进行了分析线对的选择和缓冲剂石墨粉的比例