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C-H...N INTERACTIONS

Redetermination of 8 tosyl­­oxy­quinoline at 100 K: supramolecular aggregation through weak C–H⋯O and C–H⋯N interactions

Redetermination of 8 tosyl­­oxy­quinoline at 100 K: supramolecular aggregation through weak C–H⋯O and C–H⋯N interactions

... weak CH···O and CH···N ...of H···O distances (Table 2) found in (I) agrees with those found for weak CH···O bonds (Desiraju & Steiner, ...

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Crystal structure of (E) 4 benzyl­­idene 6 phenyl 1,2,3,4,7,8,9,10 octa­hydro­phenanthridine

Crystal structure of (E) 4 benzyl­­idene 6 phenyl 1,2,3,4,7,8,9,10 octa­hydro­phenanthridine

... condensation of an ethanolic mixture of benzaldehyde, cyclohexanone and ammonium acetate in a 2:1:1 molar ratio. There are two crystallographically independent molecules in the asymmetric unit. The two cyclohexyl rings ...

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Crystal structure of ethyl (2Z) 2 cyano 3 [(3 methyl 1 phenyl 1H pyrazol 5 yl)amino]­prop 2 enoate

Crystal structure of ethyl (2Z) 2 cyano 3 [(3 methyl 1 phenyl 1H pyrazol 5 yl)amino]­prop 2 enoate

... The title molecule crystallizes with two independent molecules in the asymmetric unit (Fig. 1). These differ primarily in the orientation of the phenyl ring with respect to the mean plane of the pyrazole ring. Thus the ...

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N—H+⋯Cl− and C—H⋯O interactions in 6 fluoro 3 (4 piperidinio)benz[d]isoxazole chloride

N—H+⋯Cl− and C—H⋯O interactions in 6 fluoro 3 (4 piperidinio)benz[d]isoxazole chloride

... actions. The interactions are formed by N2ÐH2A Cl1 and N2ÐH2B Cl1 hydrogen bonds (Table 1). The C9ÐH9 O1 hydrogen bond links the aromatic ring to the isoxazole ring of a molecule translated along the b axis (Fig. ...

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Crystal structure of di­ethyl 2 [(2 sulfan­yl­quinolin 3 yl)methyl­­idene]malonate

Crystal structure of di­ethyl 2 [(2 sulfan­yl­quinolin 3 yl)methyl­­idene]malonate

... intramolecular CH O interaction is observed. In the crystal, CH O, S—H N and – stacking inter- actions between the fused benzene ring of quinoline and the pyridine moieties ...

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Carbinoxaminium dipicrate

Carbinoxaminium dipicrate

... crystal, NH···O hydrogen bonds and weak intermolecular CH···O interactions between the cation and anion (Table 1) and /p—/p stacking interactions between the benzene rings with ...

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Benzyl N [(Z) (1 methyl 2 sulfanyl­propyl­­idene)amino]­carbamodi­thio­ate

Benzyl N [(Z) (1 methyl 2 sulfanyl­propyl­­idene)amino]­carbamodi­thio­ate

... other C—S bonds, and that indicates that it possesses a double bond character which further proves that the ligand exists in the thione tautomer in solid ...for C=N, 1.664 (2) Å for C=S; Khoo ...

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4 Di­methyl­amino­pyridinium picrate: supramolecular aggregation through extensive N—H⋯O and C—H⋯O interactions

4 Di­methyl­amino­pyridinium picrate: supramolecular aggregation through extensive N—H⋯O and C—H⋯O interactions

... Picric acid (5.2 mmol) dissolved in dichloromethane (25 ml) was added dropwise to 4-dimethylaminopyridine (5.7 mmol) in di- chloromethane (25 ml). This solution was stirred constantly at room temperature for 2 h. ...

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N,N,N′,N′ Tetra­methyl N′′ [3 (tri­methyl­aza­nium­yl)prop­yl]guanidinium bis­­(tetra­phenyl­borate) acetone disolvate

N,N,N′,N′ Tetra­methyl N′′ [3 (tri­methyl­aza­nium­yl)prop­yl]guanidinium bis­­(tetra­phenyl­borate) acetone disolvate

... the N atoms and the terminal C- methyl groups of the guanidinium moiety all have values close to a typical single bond ...by NH O and CH O hydrogen bonds with the acetone ...

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Syntheses and Structure Elucidations of Ternary Metal [Cu/Co] Complexes with Nucleic Acid Constituents

Syntheses and Structure Elucidations of Ternary Metal [Cu/Co] Complexes with Nucleic Acid Constituents

... via N-H···N hydrogen bonds at the pseudo two fold and are connected to the neighboring dimers through the possible hydrogen bond between the nitrogen atom N1 and the axially coordinated oxygen atom ...

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Synthesis and crystal structure of 3 (adamantan 1 yl) 4 (2 bromo 4 fluoro­phen­yl) 1H 1,2,4 triazole 5(4H) thione

Synthesis and crystal structure of 3 (adamantan 1 yl) 4 (2 bromo 4 fluoro­phen­yl) 1H 1,2,4 triazole 5(4H) thione

... the NH S interactions play an important role in consolidating the crystal packing, along with CH interactions, when phenyl groups are present as ...

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3 Carb­oxy­pyridine N oxide: supramolecular aggregation through O—H⋯O and C—H⋯O interactions

3 Carb­oxy­pyridine N oxide: supramolecular aggregation through O—H⋯O and C—H⋯O interactions

... the C O and CÐO bonds are clearly distinct [C O = ...pyridine N-oxides and consistent with those of other carboxypyridine N-oxide derivatives (Steiner et ...

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N,N′ Di­phenyl­ethyl­enedi­amine, an N—H⋯π  and C—H⋯π bonded network

N,N′ Di­phenyl­ethyl­enedi­amine, an N—H⋯π and C—H⋯π bonded network

... central CC ...intermolecular interactions are primarily of NH and CH character, without any contribution from NH N hydrogen ...The ...

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4 (2,3 Di­methyl­phen­yl)piperazin 1 ium chloride monohydrate

4 (2,3 Di­methyl­phen­yl)piperazin 1 ium chloride monohydrate

... via NH···Cl, NH···O and CH···Cl hydrogen-bonding interactions to construct a convoluted hydrogen-bonded chain which runs in the c-axis direction ...through ...

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Crystal structure and Hirshfeld surface analysis of N (tert but­yl) 2 (phenyl­ethyn­yl)imidazo[1,2 a]pyridin 3 amine

Crystal structure and Hirshfeld surface analysis of N (tert but­yl) 2 (phenyl­ethyn­yl)imidazo[1,2 a]pyridin 3 amine

... by NH H hydrogen bonds, forming chains along the c- axis ...by CH interactions, forming slabs parallel to the ac ...by H H (54%) and C ...

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Crystal structure analysis of [5 (4 meth­­oxy­phen­yl) 2 methyl 2H 1,2,3 triazol 4 yl](thio­phen 2 yl)methanone

Crystal structure analysis of [5 (4 meth­­oxy­phen­yl) 2 methyl 2H 1,2,3 triazol 4 yl](thio­phen 2 yl)methanone

... weak CH N hydrogen-bonding dimeric motifs (Table 1) involving the methyl hydrogen H15C (sp 3 ) of the methoxy group with the triazol nitrogen N3 [C15 N3 = ...S C() [3.492 (2) A ˚ ] ...

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Three New Compounds Derived from  Nitrofurantoin: X Ray Structures and  Hirshfeld Surface Analyses

Three New Compounds Derived from Nitrofurantoin: X Ray Structures and Hirshfeld Surface Analyses

... The crystal structure analyses show that there are various weak forces among the molecules, such as C/N-H···O, N-H···N hydrogen bond interactions and π···π/lone pair stacking interaction[r] ...

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4 Di­methylaminopyridinium 2,4 di­nitrophenolate: supramolecular aggregation through N—H⋯O, C—H⋯O, C—H⋯π and π–π interactions

4 Di­methylaminopyridinium 2,4 di­nitrophenolate: supramolecular aggregation through N—H⋯O, C—H⋯O, C—H⋯π and π–π interactions

... The design of organic polar crystals for quadratic non-linear optical (NLO) applications is supported by the observation that organic molecules containing π-electron systems asymmetrized by electron-donor and -acceptor ...

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Crystal structure of (2 {[(8 aminona­phthalen 1 yl)imino]­meth­yl} 4,6 di tert butyl­phenolato κ3N,N′,O)bromido­nickel(II)

Crystal structure of (2 {[(8 aminona­phthalen 1 yl)imino]­meth­yl} 4,6 di tert butyl­phenolato κ3N,N′,O)bromido­nickel(II)

... intermolecular interactions. Most promi- nent is an intermolecular NH Br hydrogen bond, Table 2, which connects individual molecules into ...amine H atom, H2A, does not form a hydrogen ...

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