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C-H...O HYDROGEN BONDING

(Benzoyl­methyl)­tri­phenyl­phospho­nium iodide: supramolecular zigzag chains via C—H⋯O hydrogen bonding stabilized by C—H⋯I interactions

(Benzoyl­methyl)­tri­phenyl­phospho­nium iodide: supramolecular zigzag chains via C—H⋯O hydrogen bonding stabilized by C—H⋯I interactions

... parameters in (I) resemble those of the isomorphous nitrate salt (Pbca with Z = 8; Baby Mariyatra et al., 2002), but differ from the parent ylide (Kalyanasundari et al., 1994). The crystal structure can be best described ...

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Weak C—H⋯O hydrogen bonding and aromatic π–π stacking interactions in 1 (4 chloro­phenyl)­propan 1 one

Weak C—H⋯O hydrogen bonding and aromatic π–π stacking interactions in 1 (4 chloro­phenyl)­propan 1 one

... The short c axis [3.945 (4) AÊ] for a disubstituted benzene molecule suggests face-to-face intermolecular ±-stacking interactions. Mean-plane calculations for the aromatic rings stacked along the c axis ...

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1 (4 Pyridinio) 2′ [4 pyridinio (E) methyl­­idene]­hydrazide dinitrate

1 (4 Pyridinio) 2′ [4 pyridinio (E) methyl­­idene]­hydrazide dinitrate

... and CH···O hydrogen-bonding interactions in bipyridinium nitrates (Felloni et ...the hydrogen-bonding potential of this cation compared with that of simple bipyridinium ...

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Crystal structure of 1 ethyl 3 (2 oxo 1,3 di­thiol 4 yl)quinoxalin 2(1H) one

Crystal structure of 1 ethyl 3 (2 oxo 1,3 di­thiol 4 yl)quinoxalin 2(1H) one

... intramolecular CH O hydrogen- bonding interaction between the two ring systems [C O = ...bifurcated CH O hydrogen-bonding interactions ...

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catena Poly[[[bis­­(1,10 phenanthroline)cadmium(II)] μ naphthalene 2,6 di­carboxyl­ato] monohydrate]

catena Poly[[[bis­­(1,10 phenanthroline)cadmium(II)] μ naphthalene 2,6 di­carboxyl­ato] monohydrate]

... carboxylate O atoms and CH groups of phen ligands of adjacent ...form OH O and CH O hydrogen-bonding interactions involving the carboxylate ...

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Octa­aqua­tetra­kis­(μ2 2,6 diform­yl 4 methyl­phenolato)­tetra μ3 hydroxo tetraneodymium(III) tri­fluoro­methane­sulfonate butanol disolvate tetra­hydrate

Octa­aqua­tetra­kis­(μ2 2,6 diform­yl 4 methyl­phenolato)­tetra μ3 hydroxo tetraneodymium(III) tri­fluoro­methane­sulfonate butanol disolvate tetra­hydrate

... the H atoms contributes to OH O hydrogen bonding but the other is involved in an OH interaction involving the delocalized electrons of the benzene ring and the ...

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N—H⋯O=C hydrogen bonding and O⋯O=C repulsive interactions in tert but­oxy­carbonyl L leucyl L alanine ethyl ester (Boc L Leu L Ala OEt)

N—H⋯O=C hydrogen bonding and O⋯O=C repulsive interactions in tert but­oxy­carbonyl L leucyl L alanine ethyl ester (Boc L Leu L Ala OEt)

... Even at low temperature (173 K), with Cu K radiation and an area detector, diffraction from the crystal was very weak and insuf- ®cient data were available for full anisotropic re®nement. For non-H atoms, ...

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Ethyl(S) (−) 4 chloro 3 hydroxybutyrateStudy by D F T

Ethyl(S) (−) 4 chloro 3 hydroxybutyrateStudy by D F T

... DFT hydrogen bonded dimer model satisfactorily explaining the ...the O-H and C=O are participating into forming a hydrogen bond of the type O-H•••O=C ...

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Intermolecular N–H⋯O hydrogen bonding inter­actions in 5 fluoro­cytosinium salicyl­ate

Intermolecular N–H⋯O hydrogen bonding inter­actions in 5 fluoro­cytosinium salicyl­ate

... O2 hydrogen bonds to form a linear hydrogen-bonded supramolecular chain ...O2 hydrogen bond was previously proposed for a single stranded poly(C) nucleotide based on an NMR study (Broido & ...

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3 Hy­dr­oxy 1 (4 meth­­oxy­benz­yl)piperidin 2 one

3 Hy­dr­oxy 1 (4 meth­­oxy­benz­yl)piperidin 2 one

... Several hydrogen bonds exist in the structure (Table 1), with the most significant being an OH···O hydrogen ...of hydrogen bonded pairs of molecules which are related to each ...

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Highly fluorinated naphthalenes and bifurcated C–H⋯F–C hydrogen bonding

Highly fluorinated naphthalenes and bifurcated C–H⋯F–C hydrogen bonding

... weak hydrogen bonding acceptor groups, Dunitz and Taylor examined the C – F group 6 in a survey of crystal structures from the Cambridge Structural Database 7 and Protein Data ...on O – ...

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N—H⋯O hydrogen bonding in the adduct of N (2 amino­ethyl) 2 hy­droxy­benz­amide with picric acid

N—H⋯O hydrogen bonding in the adduct of N (2 amino­ethyl) 2 hy­droxy­benz­amide with picric acid

... 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 ...

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Crystal structure of (4,4′ bi­pyridyl κN)bis­­[N (2 hy­droxy­ethyl) N iso­propyl­di­thio­carbamato κ2S,S′]zinc(II)–4,4′ bi­pyridyl (2/1) and its isostructural cadmium(II) analogue

Crystal structure of (4,4′ bi­pyridyl κN)bis­­[N (2 hy­droxy­ethyl) N iso­propyl­di­thio­carbamato κ2S,S′]zinc(II)–4,4′ bi­pyridyl (2/1) and its isostructural cadmium(II) analogue

... hydroxy-OH O(hydroxy) and hydroxy-OH N(pyridyl) hydrogen bonding with all but the acidic H atoms removed and (b) a view of the unit-cell contents in projection ...

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Crystal structure of trans diammine(1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)chromium(III) tetra­chlorido­zincate chloride monohydrate from synchrotron data

Crystal structure of trans diammine(1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)chromium(III) tetra­chlorido­zincate chloride monohydrate from synchrotron data

... and OH Cl hydrogen-bonding ...Cl, CH Cl, N—H O and OH Cl hydrogen bonding between N—H or CH groups of cyclam, ...

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Structural characterization of two solvates of a luminescent copper(II) bis­­(pyridine) substituted benzimidazole complex

Structural characterization of two solvates of a luminescent copper(II) bis­­(pyridine) substituted benzimidazole complex

... of hydrogen-bonding interactions present in 1, as seen in Table ...in CH N hydrogen bonds in which an aromatic hydrogen atom (H9) is ...Additionally, CH O ...

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1,6,6 Tri­methyl 1,2,6,7,8,9 hexa­hydro­phen­anthro[1,2 b]furan 10,11 dione

1,6,6 Tri­methyl 1,2,6,7,8,9 hexa­hydro­phen­anthro[1,2 b]furan 10,11 dione

... Intramolecular CH···O hydrogen bonds are observed in the molecular structure (Table 2), but no intermolecular hydrogen bonding is observed in the crystal ...

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Multicentered hydrogen bonding in 1 [(1 de­­oxy β D fructo­pyranos 1 yl)aza­nium­yl]cyclo­pentane­carboxyl­ate (`D fructose cyclo­leucine')

Multicentered hydrogen bonding in 1 [(1 de­­oxy β D fructo­pyranos 1 yl)aza­nium­yl]cyclo­pentane­carboxyl­ate (`D fructose cyclo­leucine')

... The Hirshfeld surface analysis (Spackman & Jayatilaka, 2009) revealed that a major proportion of the intermolecular contacts in crystal structure of (I) is provided by non- or low- polar H H ...

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Crystal structure of bromido fac tricarbon­yl[5 (3,4,5 tri­meth­­oxy­phen­yl) 3 (pyridin 2 yl) 1H 1,2,4 triazole κ2N2,N3]rhenium(I) methanol monosolvate

Crystal structure of bromido fac tricarbon­yl[5 (3,4,5 tri­meth­­oxy­phen­yl) 3 (pyridin 2 yl) 1H 1,2,4 triazole κ2N2,N3]rhenium(I) methanol monosolvate

... conventional hydrogen bonding with common NH and OH donor groups and weaker hydrogen bonds formed by CH groups (Table ...short hydrogen bonds (O7—H Br1 and N2— H O7), both ...

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Tris{4 [(2H tetra­zol 5 yl)meth­yl]morpholinium} dodeca­tungstophosphate hexa­hydrate

Tris{4 [(2H tetra­zol 5 yl)meth­yl]morpholinium} dodeca­tungstophosphate hexa­hydrate

... precipitate was formed after five hours. The solid was filtered off, washed with DMF and dried at room temperature. The precipitate was then re-dissolved in acetonitrile and the solution was cooled to ambient ...

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