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Cover Picture Multidimensional Large-Amplitude Motion Revealing Concurrent Tunneling Pathways in Molecules with Several Internal Rotors The GlycineЦWater Complex (Angew. Chem. Int. Ed. 212006)

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Melanie Schnell, Jens-Uwe Grabow,*
Jos L. Alonso,* Emilio J. Cocinero, Alberto Lesarri,
M. Eugenia Sanz, and Juan C. L#pez
Microsolvation of glycine has been studied by combining impulse supersonic-jet
Fourier-transform microwave spectroscopy with laser ablation and the structure of the
monohydrated complex derived from rotational spectra. Combining this method with
theoretical considerations enables the internal dynamics of multiple large-amplitude
motions, such as in (CH3)3XCl (X ¼ Si, Ge, Sn), to be revealed. For more details, see
the Communications by J.-U. Grabow and J. L. Alonso and co-workers on pages 3465
and 3471 ff.
Nanoparticle Synthesis
Inorganic nanocrystals with size- and shape-dependent properties are excellent
building blocks for functional nanosystems. Recent developments in the shapecontrolled synthesis of colloidal nanocrystals are described by J. Cheon et al. in their
Review on page 3414 ff.
Molecular Recognition
Four methyl lactate molecules with alternating configurations cluster through
hydrogen bonds to form a structure unfavored for homoconfigurational tetramers. See
the Communication by M. A. Suhm and co-workers on page 3440 ff., for further
details.
Main-Group Hydrides
Reaction of a calcium amide with phenylsilane leads to the ready formation of a
molecular calcium hydride. S. Harder and J. Brettar describe in the Communication
on page 3474 ff. their approach to this new class of compound.
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motion, complex, large, revealing, molecules, rotors, multidimensionnel, interna, concurrency, severa, int, cover, angel, tunneling, chem, 212006, glycineцwater, picture, pathways, amplitude
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