Facile and Optimized Syntheses and Structures of Crystalline Molybdenum Blue Compounds Including one with an Interesting High Degree of Defects: Na26[Mo142O432(H2O)58H14] · ca. 300 H2O and Na16[(MoO3)176(H2O)63(CH3OH)17H16] · ca. 600 H2O · ca. 6 CH3OH

✦ Synopsis

The syntheses and structures of the two mixedvalence crystalline molybdenum blue compounds Na 26 [Mo 142 O 432 (H 2 O) 58 H 14 ] ´ca. 300 H 2 O (1) (containing the maximal number of well defined defects which influence the overall structure and the reactivity of the anionic cluster) and Na 16 [(MoO 3 ) 176 (H 2 O) 63 (CH 3 OH) 17 H 16 ] ´ca. 600 H 2 O ća. 6 CH 3 OH ( ) (obtained in an optimized high-yield syn-thesis) are reported with reference to the critical conditions required for the isolation of corresponding crystalline materials.

Rapid and Simple Isolation of the Crysta

Rapid and Simple Isolation of the Crystalline Molybdenum-Blue Compounds with Discrete and Linked Nanosized Ring-Shaped Anions: Na15[Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-1.gif?v=1&t=h5l566t6&s=c0a09f77518ccacb50e822358608409f8e1c0a41" class="inlineGraphic">Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-2.gif?v=1&t=h5l566t6&s=3b4dd445e7e4356504ec58daf107b378c9736f7b" class="inlineGraphic">O462H14(H2O)70]0.5 [Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-3.gif?v=1&t=h5l566t6&s=32c4cd6315aa03537e50d3683e9830279c928f78" class="inlineGraphic">Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-4.gif?v=1&t=h5l566t7&s=3a1388422ef00ab21b32f2e8ba73a564490bf0c1" class="inlineGraphic">O457H14(H2O)68]0.5 · ca. 400 H2O and Na22[Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-5.gif?v=1&t=h5l566t7&s=2f041805f3359c66af741d31ef3916871c113c35" class="inlineGraphic">Mo3.0.CO;2-%23/asset/equation/tex2gif-stack-6.gif?v=1&t=h5l566t7&s=e3f6eced1d8e1eea086310b68afe457fcdf2951e" class="inlineGraphic">O442H14(H2O)58] · ca. 250 H2O

✍ Achim Müller; Samar K. Das; Vladimir P. Fedin; Erich Krickemeyer; Christian Beug 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 German ⚖ 167 KB 👁 3 views

The blue mixed-crystal title compound Na 15 [Mo VI 126 Mo V 28 O 462 H 14 (H 2 O) 70 ] 0.5 [Mo VI 124 Mo V 28 O 457 H 14 (H 2 O) 68 ] 0.5 ´ca. 400 H 2 O º Na 15 [1 a] 0.5 [1 b] 0.5 ´ca. 400 H 2 O 1, which crystallizes in the triclinic space group P 1 (a = 30.785(2), b = 32.958(2), c = 47.318(3) A Ê