... N4—H···O2 hydrogen bonds to form a linear hydrogen-bonded supramolecular chain ...N4—H···O2 hydrogen bond was previously proposed for a single stranded poly(C) nucleotide based on an ...
... Methyl salicylate (1.5 g, 10 mmol) was dissolved in neat ethylenedi- amine (3.0 g, 50 mmol) and re¯uxed for 4 h. The solution was concentrated under vacuum, yielding a light brown oil. The oil was dissolved in 20 ...
... intermolecular O—H···O and N—H···Ohydrogenbonding interactions (Table 1) involving the coordinated water molecules, N-protonated 4-hydroxypyridine, the ...
... amino N atom of both residues forms N—H···Ohydrogen bonds with the nitrate anion, and the α- and β-carboxyl ...Three-centered hydrogenbonding is observed in both ...IV ...
... intermolecular hydrogen bonds. Intramolecular hydrogenbonding involving the amino group and ester carbonyl helps to lock the syn conformation of the ester with respect to the amino ...crystal, ...
... is N,O-chelated by two 3-aminopyrazine-2-carboxylate anions and additionally bonded to the O atoms of two water molecules, leading to a slightly distorted octahedral coordination ...intermolecular ...
... via N—HOhydrogen-bonding interactions into a three- dimensional ...the H atoms of the methanol OH groups could not be located, ON/O contacts between ...
... of hydrogen-bonding interactions present in 1, as seen in Table ...C—HNhydrogen bonds in which an aromatic hydrogen atom (H9) is ...C— HOhydrogen bonds ...
... (hydroxy)O—HO(hydroxy) hydrogen bonds between the two independent hydroxy groups are also formed but, in this case, leading to a supramolecular helical chain aligned along [010] and again ...
... S O atoms ...from hydrogenbonding between the C–H group of the furan ring and the N atom of the BBT unit, which are positioned perfectly for such an ...for hydrogen ...
... another hydrogen bond facilitated by the water molecule, which acts as a hydrogen-bonding acceptor for the amide N— H ...C—HN and C—HO inter- actions ...
... for hydrogenbonding, very weak intermolecular interactions are observed in the crystal structure (Table 2); N—HN bonds link mol- ecules along [100] and N—HO ...
... parallel to (110) that are anchored into the full crystal structure by O—HOhydrogenbonding between aqua ligands and ligated hqda O atoms. Disordered water molecules of ...
... Extensive hydrogen-bonding interactions occur in the crystal structure (Table ...involves hydrogen-bonding interactions with the N—H groups from each of the tacn ligands, the ...
... the N-donors to the sul- fonate group gave a mean value for the ...N-H...Ohydrogen bond distances involving sulfonates that was slightly longer in range when compared with the ...
... exhibiting N….H-O type hydrogenbonding ...The bonding parameters of C=N & C-O signify an exclusive formation of enol-imine form over the other tautomeric forms ...