CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «ENANTIOMORPHOUS»
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1
Amino Acids and the Asymmetry of Life: Caught in the Act of ...
currently assumes that enantiomorphous forms of d-(+)-quartz and l-(−)-quartz
are equally distributed on Earth. Despite such discussions, chiral quartz crystals
themselves are inert and not cata- lytically active, and therefore are unlikely to
have ...
2
Introduction to Stereochemistry
... specified and a dissymmetric standard — a handle, as it were — of defined
chirality. This point is illustrated in the manual separation of enantiomorphous
crystal.';, i.e., crystals with mirror-image habits. Figure 2-1 shows the
enantiomorphous ...
3
The Development of Chemistry, 1789-1914: Selected essays
possess enantiomorphous molecular configurations - similar to those assigned to
the two lactic acids - because they exhibit properties of an enantiomorphous
character. A very beautiful experiment which the late Sir G. Gabriel Stokes
devised ...
4
The Basics of Crystallography and Diffraction
... symmetries Non-centrosymmetric point groups Centrosymmetric point groups(
a) System Bravais lattices Axial lengths and angles Characteristic (minimum)
symmetry Enantiomorphous(b) Non-enantiomorphous(c) Non-enantiomorphous(
c) ...
Christopher Hammond, 2009
5
Fundamentals of Crystals: Fundamentals of Crystals. ...
To indicate that objects belong to the right or left enantiomorphous variety, one
can also use the term "chirality" (from the Greek Pup, arm). Enantiomorphous
forms of molecules and crystals are widespread (Fig. 2.32). Let us now consider
any ...
Boris K. Vainshtein, 1994
6
Topics in Stereochemistry
It is possible to convert one enantiomorphous arrangement to the other by
reorienting the molecule through application of a reverse electric field along the
unique axis b. Fletcher, Keve, and Skapski (110) have shown that the reversible
electric ...
Ernest L. Eliel, Samuel H. Wilen, Norman L. Allinger, 2009
7
Dekker Encyclopedia of Nanoscience and Nanotechnology
Enantiomer- ically pure formamide molecules are found to form enantiomorphous
domains."41 Similarly, chiral terephthal- ic acid derivatives"5' and their
polymorphs"61 have been found to form enantiomorphous self-assembled
monolay- ers.
James A. Schwarz, Cristian I. Contescu, Karol Putyera, 2004
8
Preparative Enantioselective Chromatography
Geoffrey B. Cox. crystallize as conglomerates, in which two enantiomorphous
crystals are present, each containing only one of the component enantiomers [26]
. Consequently, analysis of any single crystal of a conglomerate shows a very
high ...
9
On Chirality and the Universal Asymmetry: Reflections on ...
One finds that, for electronic reasons, there then exist two energy minima
corresponding to enantiomorphous chiral structures. An achiral lattice of higher
symmetry would in these cases be unstable (Sect. 7.1). But then, evidently, the
existence ...
Georges H. Wagnière, 2008
10
Quasicrystals and Discrete Geometry
In the "wheel" structure with Batman (Figure 28,c) three enantiomorphous
systems (two of them of the same sign) are seen; they correspond to the central
part of the "sun" mosaic (Figure 28,a). It is of interest that the overall pentagonal ...
