Intramolecular hydrogen
Strong symmetrical intramolecular hydrogen bonds in diprotonated piperazinium bis(hydrogenmaleate)
... in hydrogen- bond formation (Coupar et ...ular hydrogen bonds have been observed in the hydrogen maleate anion, with an H atom centered in an extremely short O H O intramolecular ...
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Benzoin thiosemicarbazone
... The molecular structure of (I), together with the atom- labelling scheme and the intramolecular hydrogen bonding, is shown in Fig. 1. The thiosemicarbazone moiety shows an E configuration about both the ...
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Crystal structure and Hirshfeld surface analysis of 4 allyl 2 methoxy 6 nitrophenol
... an intramolecular hydrogen bond involving the hydroxide and the nitro group forming an S(6) ...O hydrogen bonds in addition to – stacking interactions between the aromatic rings [centroid–centroid ...
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5,5 Dimethyl 3 (5 methylisoxazol 3 yl)cyclohex 2 enone
... both intramolecular hydrogen bonding (C2B N2B and N2A C2A) and intermolecular hydrogen bonding with the carbonyl O atom (atom O1B and the isoxazole H atom on atom C10A, and the H atom on the ...
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Diaquabis(N,N diethylnicotinamide)bis(4 nitrobenzoato)zinc(II)
... . Intramolecular hydrogen bonding links each aqua ligand with an uncoordinated carboxylate O atom, and intermolecular hydrogen bonding between aqua ligands and the carbonyl O atoms of ...
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1 [4 (3,5 Dimethoxy 2 methylphenoxy) 2,6 dihydroxy 3 methylphenyl]ethanone
... in hydrogen bonding: one hydroxyl group, O4—H4A, involved as a donor in an intramolecular hydrogen bond with the O3 acetyl group acting as acceptor, the other, O2—H2A, involved in an intermolecular ...
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2 (p Bromophenylhydrazono) 3 oxobutanoic acid
... the intramolecular hydrogen ...bifurcated hydrogen bond, the shorter interaction, called the major component (Steiner, 2002), is an intramolecular N1—H1N···O2 hydrogen bond with the ...
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1,2 Bis[bis(4 methoxyphenyl)hydroxymethyl]benzene
... form hydrogen-bonded trimers, with one OH of each molecule linked to the corresponding group of the next molecule, and the other OH linked to a water molecule disordered on the threefold rotation ...involves ...
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4,4,4 Trifluoro 3 hydroxy 3 (trifluoromethyl)butanoic acid
... intermolecular hydrogen bonds can be observed between the carboxylic acid groups′ OH-groups and carbonylic ...the intramolecular hydrogen bonds is S(6)S(6) on the unitary level while the ...
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1 (4 Methylpiperdinemethyl) 2 (4 bromophenyl) 6 methyl 8 trifluoromethylimidazo[1,2 a][1,8]naphthyridinium picrate
... N intramolecular hydrogen bond between atoms N7 and N5, forming an intramolecular S(7) ring (Bernstein et ...O hydrogen bonds between ...strong hydrogen bond with O1A, whereas N7B forms ...
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β Alaninium perchlorate
... An intramolecular hydrogen bond is observed between the amino-N and carboxyl-O ...three-centered hydrogen bond with O atoms of the perchlorate anion across the center of inversion, forming in®nite ...
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(anti Chloridothiosemicabazide κS)bis(triphenylphosphane κP)copper(I) 0 48 hydrate
... an intramolecular N—H···N hydrogen bond between N1—H1A and N3 (graph set designator as S(5) (Bernstein et ...Another intramolecular hydrogen bond, between the hydrazine N2 —H2 group and the ...
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Quinoline 2 sulfonamide
... different hydrogen-bond patterns in the solid ...primary hydrogen-bond connectivity is somewhat predictable. Two general hydrogen-bond rules based on empirical observations of hundreds of crystal ...
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2,4 Di(butylureido) 6 methyl s triazine
... by intramolecular hydrogen ...quadruply hydrogen-bonded dimer is, however, not observed in the crystalline state, because one of the intramolecular hydrogen bonds that stabilize the ...
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Synthesis and crystal structures of 5,5′ (propane 2,2 diyl)bis(2 hydroxybenzaldehyde) and 5,5′ (propane 2,2 diyl)bis(2 hydroxyisophthalaldehyde)
... groups of the title compounds contain aldehyde groups in addition to the hydroxyl groups. The O atoms of these alde- hyde groups participate in hydrogen bonding with the hydroxyl H atoms, thus partially displacing ...
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1 Acetyl 3 (benzofuran 3 yl) 1,2 dihydro 3 hydroxy 2 oxo 3H indole
... intermolecular hydrogen bonds. The intramolecular C—H···O interaction forms a six-membered closed ring of ...the hydrogen atom of the hydroxy group between the two molecules of the adjacent molecular ...
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4 Acetamido 2 methoxy 5 [3 (phenylsulfanyl)indole 2 carbonyl]benzoic acid
... by intramolecular O —H···O, N—H···O and C—H···O hydrogen bonds (Table ...H···O hydrogen bonds, C—H···O and C—H···π interactions (Table 2 and ...
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Crystal structures of (E) 1 {3 [(5 fluoro 2 hydroxybenzylidene)amino]phenyl}ethanone and of a fourth polymorph of (E) 1 {3 [(2 hydroxy 3 methoxybenzylidene)amino]phenyl}ethanone
... O hydrogen bonds in the structure of compound (II) (Table 2): one of these links the two mol- ecules within the selected asymmetric unit and the two others link these bimolecular aggregates into complex sheets, ...
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Crystal structure of a mononuclear copper(II) complex with 2 methoxy N,N bis(quinolin 2 ylmethyl)ethylamine (DQMEA)
... N hydrogen-bonding interaction takes place between a quinolyl hydrogen (H11) and the nitrogen atom of the acetonitrile ligand (N4), which may help stabilize the coordination of this monodentate ...
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6 (2 Hydroxybenzoyl) 2 (4 methylphenyl) 5 methyl 7 phenylpyrazolo[1,5 a]pyrimidine: complex sheets built from C—H⋯N and C—H⋯O hydrogen bonds
... Finally, aryl atom C76 in the molecule at (x, y, z) acts as hydrogen-bond donor to carbonyl atom O67 in the molecule at (x, 1 + y, z), so generating by translation a C(7) chain running parallel to the [010] ...
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