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7 citations found for Pham, C.
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The structure of 4-(naphthalen-2-yl)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile, prepared by a three-component one-pot reaction, is based on dimers connected by N—H
O hydrogen bonds, which also interact through π–π contacts.
O hydrogen bonds, which also interact through π–π contacts.
CHEMISTRY | CRYSTENG
The structure of the ζ polymorph of glycine has been solved by a combination of crystal structure prediction and neutron powder diffraction, where the elusive phase was trapped at low temperature. At room temperature ζ-glycine is a short-lived intermediate in the pressure-driven transition between the ![[epsilon]](/logos/entities/epsiv_rmgif.gif)
and γ polymorphs; by contrast at low temperature it undergoes the first observed transformation into the metastable β polymorph.
and γ polymorphs; by contrast at low temperature it undergoes the first observed transformation into the metastable β polymorph.
research papers
It is demonstrated that X-ray absorption spectroscopy, both XANES and EXAFS, of solutions with millimolar concentrations of metal is possible using the femtosecond X-ray pulses from XFELs with two different sample delivery methods, a Rayleigh jet and a drop-on-demand setup.
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The A2[ReF6] (A = K, Rb, Cs) salts are isotypic and crystallize in the K2[GeF6] structure type.
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The synthesis and structure of 2-(2-bromo-5-fluorophenyl)-8-ethoxy-3-nitro-2H-thiochromene (A) and 2-(2-bromo-5-fluorophenyl)-7-methoxy-3-nitro-2H-thiochromene (B) are described. In each crystal, the molecules are linked by hydrogen bonds and π–π stacking interactions.
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