Crystal structure of hepta­guanidinium nona­hydrogen bis­[α-hexa­molybdoplatinate(IV)] hepta­hydrate

Joo H.-C.; Park K.-M.; Lee U.

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Crystal structure of heptaguanidinium nonahydrogen bis[α-hexamolybdoplatinate(IV)] heptahydrate

机译：七胍九水合双[α-六钼铂（IV）]七水合物的晶体结构

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The title compound, (CH6N3)7H9[PtMo6O24]2·7H2O, containing the well-known Anderson-type heteropolyoxomolybdate, was obtained by recrystallization of its powdered guanidinium salt. The protonated O atoms in the polyanion were confirmed by electron-density maps, interpolyanion hydrogen bonds and bond-valance sums (BVS). The {[H4.5PtMo6O24]2}7− polyanion is the same as that already characterized in K7[H4.5PtMo6O24]2·11H2O [space group P-1; Lee & Joo (2010). Acta Cryst. E66, i8–i9]. The heteropolyanions form inversion-generated dimers, {[H4.5PtMo6O24]2}7−, held together by each of the four μ3-O—H⋯μ1-O, two μ2-O—H⋯μ2-O hydrogen bonds and one centrosymmetric μ3-O—H—μ3-O hydrogen bond. The H atom of the centrosymmetric hydrogen bond is located on an inversion centre. One guanidinium ion and one water molecule are equally disordered about a twofold rotation axis.

机译：通过将其粉末状胍盐盐重结晶，得到标题化合物（CH6N3）7H9 [PtMo6O24] 2·7H2O，其中含有众所周知的安德森型杂多氧钼酸酯。聚阴离子中的质子化O原子通过电子密度图，聚阴离子间氢键和键合价和（BVS）得以确认。 {[H4.5PtMo6O24] 2} 7-聚阴离子与K7 [H4.5PtMo6O24] 2·11H2O [空间群P-1; Lee＆Joo（2010）。 Acta Cryst。 E66，i8–i9]。杂多阴离子形成反转生成的二聚体{[H4.5PtMo6O24] 2} 7−，由四个μ3-O-H⋯μ1-O，两个μ2-O-H⋯μ2-O氢键和一个氢键结合在一起中心对称的μ3-OH-μ3-O氢键。中心对称氢键的H原子位于反型中心。一个胍盐离子和一个水分子绕双重旋转轴无序排列。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2015年第3期|共4页
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Joo H.-C.; Park K.-M.; Lee U.;
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中图分类晶体学;
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CRYSTAL STRUCTUREPLATINUM-CONTAINING HETEROPOLYOXOMOLYBDATECENTROSYMMETRIC HYDROGEN BONDSTRONG HYDROGEN BONDANDERSON-TYPE HETEROPOLYOXOMOLYBDATE;

机译：晶体结构含铂杂多氧钼酸盐中心对称氢键强氢键邦丹逊森型杂多氧钼酸盐;

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Crystal structure of hepta­guanidinium nona­hydrogen bis­[α-hexa­molybdoplatinate(IV)] hepta­hydrate

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Crystal structure of heptaguanidinium nonahydrogen bis[α-hexamolybdoplatinate(IV)] heptahydrate