B CRYSTAL STRUCTURES

Fig. 7a,b. Crystal structures of the two modifications A and B of PCH9 a crystal packing in PCH9A along [010] b crystal packing in PCH9B along [100]. (Reprinted from [70])... 

Fig. 19a,b. Crystal structure of bis[4-butoxycarbonyl)-phenyl]terephthalate (B-A) and bis[4-valeroyloxy)-phenyl]terephthalate (V-A). a crystal packing in B-A viewed along a b crystal packing in V-A viewed along b. (Reprinted from [106])... 

Fig. 2.38 sheet forming y-peptides. (A) Crystal structure of the two stranded antiparallel sheet formed by a,j -unsaturated y-dipeptide 152 with a-methyl substituted residues [208], Both intermolecular H-bonds are characterized by a N---0 distance of 2.84 A and an angle (N-H- -O) ofl54.2°. (B) Crystal structure of the infinite parallel sheet arrangement formed by vinylogous dipeptide 153 [208], Intermolecular H-bonds are characterized by a N -O distance of 2.88 A and 3.24 A and an... 

WyckofF, R. B. Crystal Structures, Second edition Interscience New York, 1964. 

Fig. 37a and b. Crystal structures of the 1 1 inclusion compounds of 25 with a cyclohexanol, and b cyclohexanone stereoviews down the a axis, c is horizontal (taken from Ref. 501)... 

McWhan, D. B. Crystal Structure and Physical Properties of Americium... 

De Rosa, C. Guerra, G. Petraccone, V. Pirozzi, B., Crystal structure of emptied clathrate form (8e form) of syndiotactic polystyrene, Macromolecules 1997, 30, 4147 4152... 

H. S., and McKay, D. B. Crystal structure of HslUV complexed with a vinyl sulfone inhibitor corroboration of a proposed mechanism of allosteric activation of HslV by HslU./. Mol. Biol. 2002, 338, 779-785. 

Fig. 11.4 Crystal structure of a Me-est (a) a coupled molecules (b) crystal structure...

Fig. 6 (a) Crystal structures of Bionolle, along the molecular axis, (b) Crystal structures of Bionolle, along the b-axis... 

Fig. 3a, b Crystal structures of 2 and poly(2) viewed down along the crystallographic a- and h-axes at the top and bottom, respectively. Hydrogen atoms are omitted for clarity, c ORTEP drawing for 2 (-120 °C) and repeating unit of poly(2). Thermal ellipsoids are plotted at the 50% probability level [56]... 

Fig. 18 (a) The solution-state reaction to produce cis-[CoBr(NH3)(en)2]Br2 (denoted 2). (b) Crystal structure of the new racemic phase of 2 viewed nearly along the c-axis, showing the straight and helical chains that run along the ti-axis and b-axis respectively (Co, red Br, green N, blue C, grey). Hydrogen atoms are omitted for clarity... 

Matsumoto, K., Hagiwara, R., Maze], Z., BenkiY , R, and Zemva, B., Crystal structures of frozen room temperature ionic liquids, l-ethyl-3-methylimi-dazolium tetrafluoroborate (EMlmBF4), hexafluoroniobate (EMlmNbF ) and hexafluorotantalate (EMlmTaF ), determined by low-temperature x-ray diffraction, Solid State Sci., 8,1250-1257, 2006. 

Fig. 1. The inclusion of a pentamethylene-diammonium guest cation in an uncharged cryptand 51 a formula, b crystal structure...

White, S.P., Scott, D.L., Otwinowski, Z., Gelb, M.H. und Sigler, P.B. Crystal structure of Cobra phospholipase A2 in a complex with a transition state analogue (1990) Science 250, 1560-1566... 

Fig. 9. Stereo ribbon plots [76] of FruA subunits viewed down the /1-barrel axis from their carboxy-terroinal end to illustrate the flexibility of the C-terminal chain as proposed for the catalytic function. A) Crystal structure of the FruA from rabbit muscle B) crystal structure of the FruA from Drosophila melanogaster...

Fig. la, b Crystal structures of polyethylene showing views along the chain axis a orthorhombic unit cell, b monoclinic unit cell... 

Fig. 32 (a) Topochemical polymerization mechanism for a typical diacetylene monomer, (b) Crystal structure of a typical poly diacetylene... 

Figure 5 (a) Molecular structure of ACA and (b) crystal structure of ACA with acetone. 

The correlation as summarized in Fig.9 is remarkable in the sense that it supersedes the following factors that heretofore were invoked in one way or another to correlate to the phenomenon of superconductivity (a) transition or non-transition elements, (b) crystal structure type, (c) atomic number, (d) valence electron concentration. 

Figure 5.7 a Simplified catalytic cycle for vanadium chloroperoxidase, isolated from the fungus Curvularia inaequalis based on b crystal structures ofthe native enzyme and the peroxo intermediate [30,31], Thanks to Dr. Teunie van Herk for the enzyme structure image. 

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