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[PDF] Top 20 Hydrogen bonded co crystal structure of benzoic acid and zwitterionic L proline

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Hydrogen bonded co crystal structure of benzoic acid and zwitterionic L proline

Hydrogen bonded co crystal structure of benzoic acid and zwitterionic L proline

... Solid BA (10.1 mg, 9.01 10 2 mmol) and LP (9.3 mg, 8.08 10 2 mmol) were added to a 25 ml scintillation vial. To this was added approximately 8 ml of ethanol followed by sonication until all solutes were fully dissolved. ... See full document

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Crystal structures of hydrogen bonded co crystals as liquid crystal precursors: 4 (n pent­yl­oxy)benzoic acid–(E) 1,2 bis­­(pyridin 4 yl)ethene (2/1) and 4 (n hex­yl­oxy)benzoic acid–(E) 1,2 bis­­(pyridin 4 yl)ethene (2/1)

Crystal structures of hydrogen bonded co crystals as liquid crystal precursors: 4 (n pent­yl­oxy)benzoic acid–(E) 1,2 bis­­(pyridin 4 yl)ethene (2/1) and 4 (n hex­yl­oxy)benzoic acid–(E) 1,2 bis­­(pyridin 4 yl)ethene (2/1)

... Geometry . All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, ... See full document

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A 1:2 co crystal of 2,2′ di­thiodi­benzoic acid and benzoic acid: crystal structure, Hirshfeld surface analysis and computational study

A 1:2 co crystal of 2,2′ di­thiodi­benzoic acid and benzoic acid: crystal structure, Hirshfeld surface analysis and computational study

... the crystal engineering of co-crystals as it dictates how supra- molecular aggregates are formed, whether through shape, size or functional complementarity, to give a distinct connectivity and pattern (Meng ... See full document

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Crystal structure of 4 (tri­methyl­germ­yl)benzoic acid

Crystal structure of 4 (tri­methyl­germ­yl)benzoic acid

... synthesis of the corresponding aldehyde. Two slightly different molecules are present in the asymmetric unit. In both molecules, the geometry of the aromatic ring plane is distorted by varying intensities. Additionally, ... See full document

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Crystal structures of 3 chloro 2 nitro­benzoic acid with quinoline derivatives: 3 chloro 2 nitro­benzoic acid–5 nitro­quinoline (1/1), 3 chloro 2 nitro­benzoic acid–6 nitro­quinoline (1/1) and 8 hy­dr­oxy­quinolinium 3 chloro 2 nitro­benzoate

Crystal structures of 3 chloro 2 nitro­benzoic acid with quinoline derivatives: 3 chloro 2 nitro­benzoic acid–5 nitro­quinoline (1/1), 3 chloro 2 nitro­benzoic acid–6 nitro­quinoline (1/1) and 8 hy­dr­oxy­quinolinium 3 chloro 2 nitro­benzoate

... the crystal of (II), the hydrogen-bonded acid–base units are also linked into a tape structure along the b-axis direction via C—H O hydrogen bonds (C8—H8 O6 i and C14— H14 O4 iii ... See full document

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A co crystal of ethyl­enedi­ammonium bis­­(3,5 di­nitro­benzoate) and 3,5 di­nitro­benzoic acid

A co crystal of ethyl­enedi­ammonium bis­­(3,5 di­nitro­benzoate) and 3,5 di­nitro­benzoic acid

... the crystal structure, both a protonated and a deprotonated 3,5-dinitrobenzoic acid molecule are present in the asymmetric ...the structure and atom labelling. Each ethylenediammonium ion is ... See full document

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Two dimensional hydrogen bonded polymers in the crystal structures of the ammonium salts of phen­­oxy­acetic acid, (4 fluoro­phen­­oxy)acetic acid and (4 chloro 2 methyl­phen­­oxy)acetic acid

Two dimensional hydrogen bonded polymers in the crystal structures of the ammonium salts of phen­­oxy­acetic acid, (4 fluoro­phen­­oxy)acetic acid and (4 chloro 2 methyl­phen­­oxy)acetic acid

... The crystal structures of the ammonium salts of carboxylic acids are, despite their simple formulae, characterized by the presence of a complex array of hydrogen-bonding inter- ...two-dimensional ... See full document

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Crystal structure of 4 [4 (eth­­oxy­carbon­yl)piperazin 1 yl]benzoic acid

Crystal structure of 4 [4 (eth­­oxy­carbon­yl)piperazin 1 yl]benzoic acid

... privileged structure (Dinsmore & Beshore, ...in crystal engineering via hydrogen-bonded assembly of organic acids and organic bases (Grossel et ...the crystal structure is ... See full document

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Redetermination of the solvent free crystal structure of L proline

Redetermination of the solvent free crystal structure of L proline

... its zwitterionic form: the oxygen atoms of the carboxylic acid (O1 and O2) are deprotonated and accordingly, the amine nitrogen atom N1 is ...reported crystal structures of enantiomerically pure ... See full document

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Crystal structure of 2 (4 chloro­benzamido)­benzoic acid

Crystal structure of 2 (4 chloro­benzamido)­benzoic acid

... The crystal structure determination of 2-(4-chlorobenzamido)benzoic acid, (I), was investigated in a continuation of our studies on substituted N-phenyl benzamides which have been synthesized ... See full document

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Crystal structure of 4 [(3 meth­­oxy 2 oxido­benzyl­­idene)azaniumyl]­benzoic acid methanol monosolvate

Crystal structure of 4 [(3 meth­­oxy 2 oxido­benzyl­­idene)azaniumyl]­benzoic acid methanol monosolvate

... The asymmetric unit of the title compound contains a Schiff base molecule and a methanol molecule of crystallization. In the solid state, the Schiff base molecule (Fig. 1) exists in the zwitterionic form. An ... See full document

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Crystal structure of zwitterionic 4 (ammonio­methyl)­benzoate: a simple mol­ecule giving rise to a complex supra­molecular structure

Crystal structure of zwitterionic 4 (ammonio­methyl)­benzoate: a simple mol­ecule giving rise to a complex supra­molecular structure

... of benzoic acid, in particular those that a search of the Cambridge Structural Database (CSD, Version ...a Co II complex with 4-aminomethylbenzoic acid [HAMBA, (a) in scheme below], which has ... See full document

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NUCLEIC-ACID BINDING-DRUGS .6. THE STRUCTURE OF 3,9-DIAMINO-7-ETHOXYACRIDINE (RIVANOL) AS THE LACTATE MONOHYDRATE SALT

NUCLEIC-ACID BINDING-DRUGS .6. THE STRUCTURE OF 3,9-DIAMINO-7-ETHOXYACRIDINE (RIVANOL) AS THE LACTATE MONOHYDRATE SALT

... The crystal structure is extensively hydrogen-bonded with interactions involv- ing anions, acridine substituents and water molecules.. Introduction.[r] ... See full document

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Ethyl­enedi­ammonium 4 nitro­anthranilate dihydrate

Ethyl­enedi­ammonium 4 nitro­anthranilate dihydrate

... intermolecular hydrogen-bonding interactions with suitable acceptor ...resulting hydrogen-bonded polymer structures acquire considerable crystal stability together with enhanced melting ... See full document

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The crystal structure of the zwitterionic co crystal of 2,4 di­chloro 6 {[(3 hy­dr­oxy­prop­yl)azaniumyl]­meth­yl}phenolate and 2,4 di­chloro­phenol

The crystal structure of the zwitterionic co crystal of 2,4 di­chloro 6 {[(3 hy­dr­oxy­prop­yl)azaniumyl]­meth­yl}phenolate and 2,4 di­chloro­phenol

... a co-crystal of the zwitterionic Mannich base, 2,4-dichloro-6-{[(3-hydroxypropyl)azaniumyl]meth- yl}phenolate and the unreacted ...monoclinic crystal system (in space group Cc) and the ... See full document

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Redetermination of α ammonio α methyl­propionoate

Redetermination of α ammonio α methyl­propionoate

... redetermined structure of the title compound, (I), comprises a simple amino acid derivative arranged in an extensive hydrogen-bonded network, with the three hydrogen-bond donor elements ... See full document

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L Prolinium tri­chloro­acetate at 105 K

L Prolinium tri­chloro­acetate at 105 K

... in l-prolinium tartrate. Strikingly, in the present structure and in l-prolinium tartrate, no head-to-tail hydrogen bonds are observed; in the case of dl-proline hemisuccinic ... See full document

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Development of the NSAID-L-Proline Amino Acid Zwitterionic Cocrystals

Development of the NSAID-L-Proline Amino Acid Zwitterionic Cocrystals

... Further characterization of new phase crystalline formation As explained in the previous section, the DFA-PRO has revealed the hydrogen bond formation, which indicated by the new spectra from infrared (FT-IR) ... See full document

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Crystal structure of a 2:1 piroxicam–gentisic acid co crystal featuring neutral and zwitterionic piroxicam mol­ecules

Crystal structure of a 2:1 piroxicam–gentisic acid co crystal featuring neutral and zwitterionic piroxicam mol­ecules

... gentisic acid molecule hydrogen bonded to two piroxicam molecules, one of each conformation ...accepts hydrogen bonds from the gentisic acid via O—H N bonds between the carboxylic ... See full document

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Bis(L proline) hydrogen nitrate

Bis(L proline) hydrogen nitrate

... In proline (2-pyrrolidinecarboxylate), the -amino group is not free but is substituted by a portion of its R group to yield a cyclic structure; thus, this imino acid has a unique conforma- ...tion. ... See full document

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