机译:具有MO3GAS4N +(N = 5,6)孔的硫键桥接的立方型钼镓簇-[MO3GAS4(H2O)(12)](CH3C6H4SO3)(5)CENTER-DOT-14H(2)O的X射线结构和[MO3GAS4(H2O)(12)](CH3C6H4SO3)(6)CENTER-DOT-17H(2)O
, a = 16.406(4) Angstrom, b = 16.743(3) Angstrom, c = 13.173(4) Angstrom, alpha = 90.640, beta = 98.40(2)degrees, gamma = 89.32(2)degrees, V = 3579.2(14) Angstrom(3), Z = 2, D-calcd = 1.681 g cm(-3), D-obsd = 1.68 g cm(-3), R (R(w)) = 6.7% (10.1%) for 7612 reflections (I > 3.0 sigma(1)). The Mo-Ga distances (3.pts, 3.60[2] Angstrom; 2.pts, 3.52[2] Angstrom) are much longer than the corresponding Mo-Mo (3.pts, 2.679[7] Angstrom; 2.pts, 2.713[3] Angstrom) distances. At low H+ concentrations, such as 0.5 M HCl, 2 is stable, and at H+ concentration higher than 2 M HCl, 2 is oxidized by H+ to give 3 with evolution of hydrogen gas. Chloride ion plays an important role in the oxidation of 2. Electronic spectra of 3.pts and 2.pts are very similar. Peak positions and epsilon values (lambda max, nm (epsilon, M(-1) cm(-1))): 3.pts, 762 (447), 550 (204); 2.pts, 760 (404), 548 (205). The cyclic voltammogram of 3 shows three reduction processes (the cathodic peak potentials, E(pc), are -0.83, -1.20, and -1.74 V, respectively), where the first and second processes are quasi-reversible (the anodic peak potentials, Epa, are -0.55 and -1.00 V, respectively). The reduction current of each process is close to 1:1:3. [References: 67]
,a = 16.406(4)埃,b = 16.743(3)埃,c = 13.173(4)埃,alpha = 90.640,beta = 98.40(2)度,伽玛= 89.32(2)度,V = 3579.2(14)埃(3),Z = 2,D计算= 1.681 g cm(-3),D-obsd = 1.68 g cm(- 3),对于7612反射(I> 3.0 sigma(1)),R(R(w))= 6.7%(10.1%)。 Mo-Ga距离(3.pts,3.60 [2]埃; 2.pts,3.52 [2]埃)比相应的Mo-Mo(3.pts,2.679 [7]埃; 2.pts, 2.713 [3]埃)距离。在低H +浓度下(例如0.5 M HCl),2是稳定的;在H +浓度高于2 M HCl时,2被H +氧化,从而产生3,同时释放出氢气。氯离子在2的氧化中起重要作用。3.pts和2.pts的电子光谱非常相似。峰值位置和ε值(λmax,nm(ε,M(-1)cm(-1))):3.pts,762(447),550(204); 2.pts,760(404),548(205)。 3的循环伏安图显示了三个还原过程(阴极峰电位E(pc)分别为-0.83,-1.20和-1.74 V),其中第一和第二过程是准可逆的(阳极峰电位,Epa分别为-0.55和-1.00 V)。每个过程的还原电流接近1:1:3。 [参考:67]
M = mo; Aqua ion; Trinuclear molybdenum; Electronic-structures; Quasi-aromaticity; Crystal-structure; Sulfido clusters; Mo3nis4 cores; )mo3nis4(h2o)10gt; 4+; Reactivities;
机译:具有MO3GAS4N +(N = 5,6)孔的硫键桥接的立方型钼镓簇-[MO3GAS4(H2O)(12)](CH3C6H4SO3)(5)CENTER-DOT-14H(2)O的X射线结构和[MO3GAS4(H2O)(12)](CH3C6H4SO3)(6)CENTER-DOT-17H(2)O
机译:[{{Mo3RhCp * S-4(H2O)(7)(O)}(2)](8+中心点)的双古巴纳型钼-铑-硫簇的合成与表征Mo3RhCp * S-4(H2O)(7)(O)}(2)](CH3C6H4SO3)(8)中心点14H(2)O
机译:DODECA核环式钼簇-[((MO-3(MU(3)-O)(MU-O)(3)(H2O)(5))(MU-OH)(2)的制备和X射线结构))(4)](CH3C6H4SO3)(8)CENTER-DOT -41H(2)O
机译:硝酸钒钒一水合物新颖结构研究:V(C12H8N2)·O2·(H2O)·NO3·H2O
机译:邻苯二甲酸和间苯二甲酸锰(II)配合物的合成和生物活性:Mn(ph)(Phen)2(H2O)·4H2OMn(Phen)2(H2O)2 2的X射线晶体结构(Isoph)2(Phen)·12H2O和{Mn(Isoph)(bipy) 4·2.75biby} n(phH2 =邻苯二甲酸; isoph =间苯二甲酸; phen = 110-邻菲咯啉; bipy = 22 -联吡啶)
机译:氧/硫 - 桥接不完全封闭簇的合成和表征,MO3S4TP3 +和MO3OS3TP3 +,以及混合金属级型簇MO3FES4CLTP3。 Mo3S4TP3 Cl,X射线结构,X射线结构,MO3OS33 PF6和MO3FES4CLTP3
机译:含铱和铑的异核团簇的合成路线:(IrOs3(uH)2(u-C1)(CO)12)和(Ir2Rh2(u-CO)(u3-CO)2(CO)4的X射线晶体结构第(n-C5me5)2)