Crystal structure of ethyl 2-({[(4Z)-3,5-dioxo-1-phenylpyrazolidin-4-ylidene]methyl}amino)acetate
Acta Crystallographica Section E, 2014 The title compound, C14H15N3O4, is nearly planar, the dihedral angle between the planes of the phenyl and pyrazolidine rings being 1.13 (7) Å, and that between the plane of the pyrazolidine ring and the mean plane of the side chain [C—N—C–C(=O)—O; r.m.s.
Shaaban K. Mohamed +4 more
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Zinc(ii) coordination polymers with pseudopeptidic ligands [PDF]
, 2011 08.10.12 KB. Ok to add accepted version to Spiral., embargo elapsed (Sept 2012)Two new phenyl-bridged pseudopeptidic ligands have been prepared and structurally characterised.
Luis, SV +14 more
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(r,r)-disynephrine ether bis(hydrogen sulfate) [PDF]
, 2009 The asymmetric unit of the title compound [systematic name: (R, R)-2,4-bis(4-hydroxyphenyl)-N,N'-dimethyl-3-oxapentane-1,5- diammonium bis(hydrogen sulfate)], C18H26N2O32+center dot-2HSO(4)(-), contains one half-cation and one hydrogen sulfate anion. The
Arbuckle, William +8 more
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1H-Benzo[d]imidazol-3-ium (Z)-3-carboxyprop-2-enoate
IUCrData, 2016 In the anion of the title molecular salt, C7H7N2+.C4H3O4−, an O—H...O hydrogen bond generates an S(7) graph-set motif while a pair of intermolecular N—H...O and C—H...O hydrogen bonds generate an R44(10) ring-motif.
M. Amudha +3 more
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Expression, purification and characterization of the HIV-1 coreceptor CCR5 and its ligand RANTES and high-pressure NMR investigation of hydrogen bonds in biomolecules [PDF]
, 2010 Nuclear magnetic resonance spectroscopy is a very versatile technique for the investigation of biomolecular structures and dynamics. In this thesis, solution and solid state NMR methods have been applied to study a membrane protein and its interactions ...
Nisius, Lydia
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Ubiquitous Presence of Intermolecular CH…O Hydrogen Bonds in As-Synthesized Zeolite Materials [PDF]
, 2021 CH…O hydrogen bonds (HBs) are identified in all crystals of series of silica zeolites hosting cationic Organic Structure Directing agents. This finding is supported by experimental C-O distances and COSi angles’ distributions, and DFT calculations on ...
Tzonka, Mineva +3 more
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Ferrocenecarboxylic acid-1,4-diazabicyclo[2.2.2]octane (2/1): sheets built from O-H ... N and C-H ... O hydrogen bonds [PDF]
, 2001 In the title compound, 2[Fe(C5H5)(C6H5O2)].C6H12N2, the molecular components are linked into finite three-component aggregates by strong O-H . . . N hydrogen bonds [O . . . N 2.578 (4) and 2.604 (5) Angstrom; O-H . . .
Ferguson, G +3 more
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Crystal structure of (S)-2-amino-2-methylsuccinic acid
Acta Crystallographica Section E: Crystallographic Communications, 2015 The title compound, C5H9NO4, crystallized as a zwitterion. There is an intramolecular N—H...O hydrogen bond involving the trans-succinic acid and the ammonium group, forming an S(6) ring motif.
Isao Fujii
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1-(3-Chlorophenyl)-3-(2,6-dichlorobenzoyl)thiourea [PDF]
, 2009 The structure of the title compound, C14H9Cl3N2OS, is composed of discrete molecules with bond lengths and angles quite typical for thiourea compounds of this class. The plane containing the thiocarbonyl and carbonyl groups subtends dihedral angles of 48.
Bolte, Michael +5 more
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(E)-Methyl 3-(3,4-dihydroxyphenyl)acrylate
Acta Crystallographica Section E, 2011 The benzene ring in the title compound, C10H10O4, makes an angle of 4.4 (1)° with the C—C—C—O linker. The hydroxy groups are involved in both intra- and intermolecular O—H...O hydrogen bonds. The
Li Wang +4 more
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