Publications by authors named "Jaroslav Podlaha"
Article Synopsis
- The crystal structures of eight cyclodipeptides, containing variations of imino acids like pipecolic acid or proline and either phenylalanine or N-methyl phenylalanine, were analyzed to understand how these components affect molecular shape and crystal organization.
- In non-methylated compounds, hydrogen bonding forms key one-dimensional structures that influence the arrangement in the crystal, while some compounds display multiple independent molecules, suggesting a diverse energy landscape.
- Density functional theory shows that while hydrogen bonding is crucial, other interactions also play significant roles; N-methylated compounds yield better simulation results, highlighting the need for more advanced calculations to fully capture the complexities of the cyclodipeptide crystals.
On interpretation of a missing spectral band; IR spectra of acidic salts of benzohydroxamic acid.
Spectrochim Acta A Mol Biomol Spectrosc
June 2005
Using solid benzohydroxamic acid (BHA) as a model compound for its salts, a broad absorption at 2730 cm(-1) was generally agreed to represent the nu(OH) band of the OH...
View Article and Find Full Text PDFD -symmetric chiral hydrogen-bonded cyclotetramers (see the structure in the picture) are present in the self-assembled achiral title compound in the solid state. The unilayered network set up from the chiral "square" blocks is achiral as a consequence of the crystal symmetry.
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