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INTERMOLECULAR HYDROGEN BONDS

1 Piperonylpiperazinium 4 nitro­benzoate monohydrate

1 Piperonylpiperazinium 4 nitro­benzoate monohydrate

... N—H···O intermolecular hydrogen bonds while weak C—H···O intermolecular interactions are observed between the cations ...O—H···O intermolecular hydrogen bonds and weak ...

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L Alanine hydrochloride monohydrate

L Alanine hydrochloride monohydrate

... several intermolecular hydrogen ...single hydrogen bond to a chloride ion with the hydrogen bond distance of ...the intermolecular bond length of ...four hydrogen bonds to ...

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Facile Preparation of 1,2 Diols from Chalcones: An NMR Spectroscopy and X Ray Crystallography Study

Facile Preparation of 1,2 Diols from Chalcones: An NMR Spectroscopy and X Ray Crystallography Study

... via intermolecular hydrogen bonds, to form a two dimensional supramolecular structure along with the bc crystallographic plane (Figure ...These hydrogen bond interactions generate two (14) and ...

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1,2 Bis­[bis­(4 meth­oxy­phenyl)­hy­droxy­methyl]­benzene

1,2 Bis­[bis­(4 meth­oxy­phenyl)­hy­droxy­methyl]­benzene

... and intermolecular hydrogen bonds through its twofold disordered OH groups, linking most of the molecules into pairs with a chain of three OÐH O hydrogen ...intramolecular hydrogen ...

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N (3 Chloro 4 methyl­phenyl) N′ hy­droxy 2 oxo 2 phenyl­acet­amidine

N (3 Chloro 4 methyl­phenyl) N′ hy­droxy 2 oxo 2 phenyl­acet­amidine

... con®guration. Intermolecular OÐ H N [O N = ...AÊ] hydrogen bonds are highly effective in the crystal ...N intermolecular hydrogen bonds link the independent molecules into ...

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4 [3 (4 Chloro­benzyl­­idene­amino) 2 oxo­oxazolidin 5 yl­methyl]­morpholin 4 ium chloride monohydrate

4 [3 (4 Chloro­benzyl­­idene­amino) 2 oxo­oxazolidin 5 yl­methyl]­morpholin 4 ium chloride monohydrate

... weak hydrogen bonds, to a three- dimensional infinite framework ...weak intermolecular hydrogen bonds. All these weak hydrogen bonds are created via the same H atom (H41), ...

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5 [2 (Hy­droxy­meth­yl)phen­yl] N,N di­methyl­pent 4 ynamide

5 [2 (Hy­droxy­meth­yl)phen­yl] N,N di­methyl­pent 4 ynamide

... by intermolecular hydrogen bonds between the hydroxyl groups and the keto groups to form ...the hydrogen bonding are given in Table 1, and the crystal packing is illu- strated in ...are ...

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Excess Molar Quantities of Binary Mixture of Dipropyl Amine with Aliphatic Alcohols at 298.15 K

Excess Molar Quantities of Binary Mixture of Dipropyl Amine with Aliphatic Alcohols at 298.15 K

... And the negative values are attributable mainly to the association between amine and alcohols intermolecular hydrogen bonds between the –OH groups in alcohols and the nitrogen atoms in the amine. The ...

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2 Amino 5 nitro­pyridinium hydrogen oxalate

2 Amino 5 nitro­pyridinium hydrogen oxalate

... strong intermolecular hydrogen bonds have attracted an attention as materials which display ferroelectric-paraelectric phase transitions (Fu et ...

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Crystal structure and Hirshfeld surface analysis of 4 allyl 2 meth­­oxy 6 nitro­phenol

Crystal structure and Hirshfeld surface analysis of 4 allyl 2 meth­­oxy 6 nitro­phenol

... intramolecular hydrogen bonds involving the nitro O atoms with the H atoms of the hydroxide group, and other intermolecular hydrogen bonds, in addition to – interactions, which assure ...

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4,4,4 Tri­fluoro 3 hy­dr­oxy 3 (tri­fluoro­meth­yl)butanoic acid

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 ...intramolecular hydrogen bonds is S(6)S(6) on the unitary level while the ...

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Preparation of Poly(7-formylindole)/carbon Fibers Nanocomposites and Their High Capacitance Behaviors

Preparation of Poly(7-formylindole)/carbon Fibers Nanocomposites and Their High Capacitance Behaviors

... Among polyindole derivatives, formyl-substituted polyindole has many unique properties, for example, the electron-withdrawing formyl group substitution can decrease the LUMO level of polymers, diminishing the band gap of ...

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6,6′ Di­chloro 3,3′ (butane 1,4 diyl­di­oxy)­diflavone

6,6′ Di­chloro 3,3′ (butane 1,4 diyl­di­oxy)­diflavone

... O hydrogen bonds and the crystal packing is stabilized by CÐH Cl intermolecular hydrogen bonds (Table ...O1 hydrogen bond is involved in R 1 1 (5) ring ...

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N2 (4 Meth­­oxy­salicyl­­idene)arginine hemihydrate

N2 (4 Meth­­oxy­salicyl­­idene)arginine hemihydrate

... For the synthesis of similar compounds, see: Srinivasan et al. (1986); Moutet & Ourari (1997). For general background on Schiff bases, see: von Konig et al. (1982); Lewis et al. (2009). For hydrogen-bond ...

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6,6′ Dimeth­­oxy 2,2′ [2,2 di­methyl­propane 1,3 diylbis(nitrilo­methyl­­idyne)]diphenol

6,6′ Dimeth­­oxy 2,2′ [2,2 di­methyl­propane 1,3 diylbis(nitrilo­methyl­­idyne)]diphenol

... O—H···N hydrogen bonds generate S(6) ring motifs (Bernstein et ...the hydrogen atoms of the dimethylpropane groups with H···N distances between ...weak intermolecular C—H···O hydrogen ...

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(1R,2R) (+) 1,2 Di­phenyl­ethyl­enedi­amine

(1R,2R) (+) 1,2 Di­phenyl­ethyl­enedi­amine

... ecule in the asymmetric unit (Fig. 1). Adjacent molecules of (I) are linked by a combination of inter- and intramolecular NÐ H N hydrogen bonds (Table 2 and Fig. 2), forming a one- dimensional in®nite chain ...

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4 Benzyl 3 (2 hy­droxy­phenyl) 1H 1,2,4 triazole 5(4H) thione

4 Benzyl 3 (2 hy­droxy­phenyl) 1H 1,2,4 triazole 5(4H) thione

... (V) (Shanmuga Sundara Raj et al., 1999), 5-(furan-2-yl)-1,3,4- oxadiazole-2(3H)-thione, (VI) (OÈztuÈrk, Akkurt, Cansõz, CËetin et al., 2004) and 4-(4-chlorophenyl)-3-(furan-2-yl)-1H-1,2,4- triazole-5(4H)-thione, (VII) ...

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SYNTHESIS AND CRYSTAL STRUCTURES OF LUMINESCENT MONONUCLEAR Ni(II) AND Cd(II) COMPLEXES WITH  1,10-PHENANTHROLINE

SYNTHESIS AND CRYSTAL STRUCTURES OF LUMINESCENT MONONUCLEAR Ni(II) AND Cd(II) COMPLEXES WITH 1,10-PHENANTHROLINE

... ) hydrogen bonds involving the coordinating water molecules as donors and the perchlorate O atoms as acceptors form zigzag-like hydrogen-bonding chains (Figure 2(a), Table 3), which are further ...

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2,2′ Di­propyl­malonic acid: intermolecular association via strong O—H⋯O hydrogen bonds

2,2′ Di­propyl­malonic acid: intermolecular association via strong O—H⋯O hydrogen bonds

... N hydrogen bonds (Desiraju, 2002). Quite often, hydrogen- bonded patterns are formed which are interesting in supra- molecular design and crystal ...of hydrogen bonds were ®rst analysed ...

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Synthesis, Structural, Spectroscopic, Thermal, Optical Studies and Hirshfeld Surface Analysis of a New Aluminum Complex: (C8H9N2)3[Al(C2O4)3]·3H2O

Synthesis, Structural, Spectroscopic, Thermal, Optical Studies and Hirshfeld Surface Analysis of a New Aluminum Complex: (C8H9N2)3[Al(C2O4)3]·3H2O

... by intermolecular hydro- gen bonds of ...the intermolecular interactions formed by the organic ca- tions and inorganic anions, an analysis of the calculated Hirshfeld surfaces was ...

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