Crystal structure of 4,4′-bipyridinium bis(hydrogen 3,5-pyrazole-dicarboxylate) tetrahydrate, [C5H4N2O4]2[C10H8N2] · 4H2O
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منابع مشابه
Dev127233 35..44
The mechanism for the basal targeting of the Miranda (Mira) complex during the asymmetric division of Drosophila neuroblasts (NBs) is yet to be fully understood. We have identified conserved Phosphotyrosyl phosphatase activator (PTPA) as a novel mediator for the basal localization of the Mira complex in larval brain NBs. In mutant Ptpa NBs, Mira remains cytoplasmic during early mitosis and its ...
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The title compound, C7H14N2Si, crystallizes in a tetra-gonal space group and exists as an N-H⋯N hydrogen-bonded tetra-mer, formed around the crystallographic fourfold rotoinversion axis. The mol-ecular identity is clearly the 5-tri-methyl-silyl-3-methyl-1H-pyrazole tautomer and the structure is isomorphous with that of 5-tert-butyl-3-methyl-1H-pyrazole [Foces-Foces & Trofimenko (2001 ▶). Acta C...
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Two samples of vladimirite, one from Bou Azzer, Morocco, and the other from a new occurrence in Copiapó, Chile (designated as R100075 and R080001, respectively), were examined with an electron microprobe, single-crystal X-ray diffraction, and Raman spectroscopy. Our results show that vladimirite is monoclinic with space group P21/c and unit-cell parameters a 5.8279(2), b 10.1802(4), c 22.8944(1...
متن کاملCrystal Structure of IN,N'-di(n-propyl)^,4'-bipyridinium] (7,7,8,8-Tetracyano-p-quinodimethanide)J~
The 4:1 complex salt formed between 7,7,8,8-tetracyano-p-quinodimethane (TCNQ) and the N,N'-di(n-propyl)-4,4 ' -bipyridinium dication (DPrBP) is monoclinic, space group P21 /c , with a = 1 3 . 3 3 4 ( l ) , b = 25.954(3), c = 7.877(1) A, 0 = 93.66(1)°. The structure was solved by the Patterson method and refined to R = 0.070 for 3277 unique reflections. The T C N Q moieties stack plane-to-plane...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2012
ISSN: 2197-4578,1433-7266
DOI: 10.1524/ncrs.2012.0032