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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Alkaline metal stannide-stannates: 'Double salts' with Zintl Sn-4(4-) and stannate SnO34- anions
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Alkaline metal stannide-stannates: 'Double salts' with Zintl Sn-4(4-) and stannate SnO34- anions

机译:碱性金属锡酸酯-锡酸酯:与Zintl Sn-4(4-)和锡酸酯SnO34-阴离子形成的“复盐”

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Using the reduction of tin oxides with the elemental alkaline metals rubidium and cesium, stannide stannates have been synthesized which contain Zintl anions [Sn-4](4-) (i.e. Sn-1) and isolated oxostannate ions [SnO3](4-) (i.e. Sn-1) together with further oxide ions for charge compensation. The crystal structures of the three compounds A(23.6)Sn(7.40)O(13.2) = A23.6[Sn-4][SnO3](3.4)[O](3) (A=Rb 1a: monoclinic, P2(1)/c, a = 2174.2(6), b = 1137.0(6), c = 2373.6(6) pm, beta = 116.11(2)degrees, Z=4, R1 = 0.056; A=Cs 1b: monoclinic, P2(1)/c, a = 2042.6(6), b = 1185.4(3), c 2481.1(7) pm, beta = 97.06(2)degrees, Z=4, R1 =0.075) and Cs48Sn20O21 Cs-48[Sn-4](4)[SnO3](4)[O](7)[O-2] (2 mono-clinic, P2/c, a = 1701.8(3), b = 877.4(2), c = 4556.9(7) pm, beta = 101.47(1)degrees, R1 = 0.093) have been determined on the basis of single crystal data. The transparency of the compounds allowed the recording of raman spectra of the anion [Sn-4](4-). The Sn-119 Moessbauer spectrum of the rubidium compound shows a singulet in good agreement with RbSn, overlapping a doublet caused by Sn2+ in the asymmetrical environment of the strongly electronegative oxygen ligands of SnO34-. [References: 38]
机译:通过使用元素碱金属rub和铯还原氧化锡,已合成了锡酸锡酸锡,其中锡酸锡阴离子为[Sn-4](4-)(即Sn-1),而氧杂锡酸根离子为[SnO3](4-)。 (即Sn-1)与其他氧化物离子一起进行电荷补偿。三种化合物A(23.6)Sn(7.40)O(13.2)= A23.6 [Sn-4] [SnO3](3.4)[O](3)的晶体结构(A = Rb 1a:单斜晶,P2( 1)/ c,a = 2174.2(6),b = 1137.0(6),c = 2373.6(6)pm,β= 116.11(2)度,Z = 4,R1 = 0.056; A = Cs 1b:单斜晶, P2(1)/ c,a = 2042.6(6),b = 1185.4(3),c 2481.1(7)pm,β= 97.06(2)度,Z = 4,R1 = 0.075)和Cs48Sn20O21 Cs-48 [ Sn-4](4)[SnO3](4)[O](7)[O-2](2单诊所,P2 / c,a = 1701.8(3),b = 877.4(2),c = 4556.9(7)pm,beta = 101.47(1)度,R1 = 0.093)是根据单晶数据确定的。化合物的透明性允许记录阴离子[Sn-4](4-)的拉曼光谱。 compound化合物的Sn-119 Moessbauer光谱显示出与RbSn高度一致的正弦波,在SnO34-的强负电氧配体的不对称环境中与Sn2 +引起的双峰重叠。 [参考:38]

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