A series of triorganotin carboxylates based on 1,2,4,5-benzenetetracarboxylic acid (H4btec): [(Ph3Sn)8(btec)2(CH2CH3OH)2]n·2n(CH3CH2OH) (1), [(Ph3Sn)4(btec)(DMF)4] (2), and [(Cy3Sn)4(btec)(DMF)4] (3) were synthesized and characterized by elemental analysis, IR, 1H ...
The structure, determined by single crystal X-ray diffrac- tion, consists of a network of FeO6 centers, octahedral coordinated by btec (btec = 1,2,4,5-benzenetetracar- boxylic acid) anions giving rise to a two-dimensional sheet structure. In the compound I, [Fe(O3C4)(COO)]·H2O, ...
·(H<SUB>2</SUB>O)<SUB>4</SUB>}<SUB>n</SUB> (1: M=Co<SUP>III</SUP>; 2: M=Fe<SUP>III</SUP>; bta = benzene-1,2,4,5-tetracarboxylate) is based on both bta and oxalate as bridging ligands and contains helical chains composed of left-handed and right-handed helices ...
1,2,4,5-Benzenetetracarboxylic acid (H4btec) and a combination of N-donor coligands, such as 4-aminopyridine (4-apy), pyrazine (pyz), 2,4,6-tris(2-pyridyl)... A Majumder,V Gramlich,GM Rosair,... - 《Crystal Growth & Design》 被引量: 97发表: 2011年 Synthesis and dynamic NMR ...
A new Cd(II) complex {[Cd(btec)0.5(H2O)3]路H2O}n (1) constructed by 1,2,4,5-benzenetetracarboxylic acid (H4btec) has been synthesized under hydrothermal condition and its structure has been determined by means of elemental analysis, IR and single crystal X-ray diffraction. The results ...
A novel terbium(III) coordination network (CN) of formula [TbHbtec]n 1, constructed from 1,2,4,5-benzenetetracarboxylic acid (H4Btec) and Tb3+ ions, has been obtained under hydrothermal conditions. Single crystal X-ray diffraction and topological studies revealed the crystal structure of CN ...
NI(OH)2合成桥联配体水热反应A novel heterometallic complex,[Zn4Ni(OH)2(btec)2(titb)2(H2O)2]·2H2O(1)(H4btec=1,2,4,5-benzenetetracarboxylic acid,titb=1,3,5-tris(imidazol-1-ylmethyl)-2,4,6-trime-thylbenzene),has been hydrothermally prepared and characterized by IR spectroscopy,...
A novel cobalt(II) coordination polymer,[Co(BTEC)1/2]n 1,has been synthesized with Co(NO3)2·6H2O and 1,2,4,5-benzenetetracarboxylic acid (H4BTEC) by the hydrothermal method,and characterized by elemental analysis,IR and single-crystal X-ray diffraction. Crystallographic data for 1: C5HO...
Hydrothermalsynthesis and structure of a new3D lanthanide-carboxyl-ate framewo-rk,[La(btee)1/2(H2btec)1/2(H20)]n(H4btec=1,2,4,5-benzenetetracarboxylic acid). SUN Dao-feng,BI Wei-hua,CAO Rong. Chinese Journal of Chemistry . 2003
·(L2)0.5(H2O)2} n [L1=1,4-bis(5,6-dimethylbenzimidazole-1-ylmethyl)benzene, H4btec=1,2,4,5-benzenetetracarboxylic acid, L2=1,4-bis(5,6-dimethylbenzimidazole)butane], have been hydrothermally synthesized and characterized by physicochemical and spectroscopic methods and by single-crystal X-...