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
A Challenge to Chemical Intuition: Donor–Acceptor Interactions in H3BL and H2B+L (L=CO; EC5H5, E=N–Bi)
✍ Scribed by Stefan Erhardt; Gernot Frenking
- Book ID
- 101835059
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 184 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0947-6539
No coin nor oath required. For personal study only.
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Reaction of A 2 CO 3 (A = K, Rb) with Sn and Se in an H 2 O/CH 3 OH mixture at 115±130 °C affords the isotypic selenidostannates(IV) A 6 Sn 4 Se 11 ´x H 2 O (A = K, x = 8) 1 and 2 whose discrete [Sn 4 Se 11 ] 6± anions each contain two corner-bridged ditetrahedral [Sn 2 Se 6 ] 4± species. Similar re
Conventional T 2 -and T\* 2 -weighted image contrasts are produced by waiting a TE period for the transverse magnetic resonance (MR) signals to decay to differentiate tissue types with distinct relaxation rates. Significant image signal-to-noise ratio (SNR) is compromised by this contrast-producing