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C-H ...O INTERACTIONS

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

... and CH···O interactions. The range of H···O distances (Table 2) found in (I) agrees with those found for N—H···O (Jeffrey, 1997) and CH···O ...

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3 Nitro­benzene­sulfonyl chloride: molecular aggregation through C—H⋯O interactions

3 Nitro­benzene­sulfonyl chloride: molecular aggregation through C—H⋯O interactions

... weak CH···O interactions. The range of H···O distances (Table 2) found in (I) agrees with those found for weak CH···O bonds (Desiraju & Steiner, ...1) ...

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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

... OÐH O and weak CÐH O hydrogen bonds makes them useful in crystal design for the preparation of molecular materials with controlled physical properties (Desiraju, 1995; Desiraju & Steiner, ...OÐH ...

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Benzoyl­methyl­tri­phenyl­phospho­nium hydrogen maleate: supramolecular layer formation due to C—H⋯O interactions

Benzoyl­methyl­tri­phenyl­phospho­nium hydrogen maleate: supramolecular layer formation due to C—H⋯O interactions

... HBPPY cations and the hydrogen maleate anions are connected through CÐH O interactions, forming close- packed zigzag layers in the bc plane (Table 2 and Fig. 2). Both the methylene H8A and H8B atoms are ...

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Tri­phenyl­(benzoyl­methyl)phospho­nium hexa­bromo­dicadmate(II): supramolecular aggregation through extensive C—H⋯Br and C—H⋯O interactions

Tri­phenyl­(benzoyl­methyl)phospho­nium hexa­bromo­dicadmate(II): supramolecular aggregation through extensive C—H⋯Br and C—H⋯O interactions

... interactions link cations and anions along the c axis, forming then layers perpendicular to the a axis, as shown in Fig. 2. These layers are linked along the a axis through other weaker ...

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Phen­acyl­tri­phenyl­phospho­nium picrate: intra and interionic C—H⋯O interactions

Phen­acyl­tri­phenyl­phospho­nium picrate: intra and interionic C—H⋯O interactions

... A solution of picric acid (0.12 g, 0.52 mmol) in methanol was added dropwise to a solution of benzoylmethylenetriphenylphosphorane, BPPY (0.20 g, 0.52 mmol), in methanol under ice-cold conditions. The mixture was stirred ...

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2 Naphthyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O and C—H⋯π interactions

2 Naphthyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O and C—H⋯π interactions

... weak CH···O interactions. The range of H···O distances (Table 2) agrees with that found for weak CH···O bonds (Desiraju & Steiner, ...intramolecular ...

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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

... and CH···O interactions. The range of H···O distances (Table 2) found in (I) agrees with those found for N—H···O (Jeffrey, 1997) and CH···O ...

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Methyl 4 tosyl­­oxy­benzoate: supramolecular aggregation through C—H⋯O, C—H⋯π and π–π interactions

Methyl 4 tosyl­­oxy­benzoate: supramolecular aggregation through C—H⋯O, C—H⋯π and π–π interactions

... weak CH···O interactions. The range for the H···O distances (Table 2) found in (I) agree with those found for weak CH···O bonds (Desiraju & Steiner, ...

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(8 Benzoyl 2,7 dimeth­­oxy­naphthalen 1 yl)(4 phen­­oxy­phen­yl)methanone

(8 Benzoyl 2,7 dimeth­­oxy­naphthalen 1 yl)(4 phen­­oxy­phen­yl)methanone

... CH O interactions are observed involving aromatic and methoxy H atoms with ketonic carbonyl O atoms, as well as CH interactions between aromatic H ...

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2,4 Di­chloro­phenyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O, C—H⋯Cl, C—H⋯π and π⋯π interactions

2,4 Di­chloro­phenyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O, C—H⋯Cl, C—H⋯π and π⋯π interactions

... weak CH···O interactions. The range for the H···O distances (Table 2) agrees with that found for weak CH···O bonds (Desiraju & Steiner, ...C13—H13···O2 ...

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1 (3 Mesit­yl 3 methyl­cyclo­but­yl) 2 (piperidin 1 yl)ethanone

1 (3 Mesit­yl 3 methyl­cyclo­but­yl) 2 (piperidin 1 yl)ethanone

... As a point of difference from (II), in the molecular struc- ture, a weak intramolecular C9—H9B O1 hydrogen bond (Table 2) results in the formation of a five-membered ring, which is fused with the cyclobutane ring (Fig. ...

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4 [(4 Methyl­phen­yl)sulfan­yl]butan 2 one

4 [(4 Methyl­phen­yl)sulfan­yl]butan 2 one

... essentially coplanar, with a mean deviation of 0.023 A ˚ . In the crystal, centrosymmetrically related molecules are weakly connected into dimers by pairs of CH O interactions. The dimers are ...

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4 Chloro­phenyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O, C–H⋯Cl and C—H⋯π interactions

4 Chloro­phenyl 4 toluene­sulfonate: supramolecular aggregation through C—H⋯O, C–H⋯Cl and C—H⋯π interactions

... weak CH···O interactions. The range for the H···O distances (Table 2) agree with those found for weak CH···O bonds (Desiraju & Steiner, ...C4—H4···O3 ...

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(E) 3,4,5 Trimeth­­oxy N′ [(6 meth­­oxy 4 oxo 4H chromen 3 yl)methyl­­idene]benzohydrazide monohydrate

(E) 3,4,5 Trimeth­­oxy N′ [(6 meth­­oxy 4 oxo 4H chromen 3 yl)methyl­­idene]benzohydrazide monohydrate

... by OH O hydrogen bonds and weak CH O ...N—H O inter- actions are observed and together they link the molecules into chains forming a two-dimensional network along ...

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Phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O and C—H⋯π interactions

Phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O and C—H⋯π interactions

... weak CH O interactions (Table 2). The H O distances found in (I) agree with those found for weak CH O bonds (Desiraju & Steiner, ...i ...

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2 Nitro­phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O, C—H⋯π and π–π interactions

2 Nitro­phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O, C—H⋯π and π–π interactions

... S O bond lengths (Table 1) are comparable to those found in related structures (Vembu, Nallu, Garrison & Youngs, 2003a,b,c,d,e,f; Vembu, Nallu, Spencer & Howard, 2003a,b,c,d,e,f,g; Vembu, ...

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(Benzoyl­methyl)­tri­phenyl­phospho­nium iodide: supramolecular zigzag chains via C—H⋯O hydrogen bonding stabilized by C—H⋯I interactions

(Benzoyl­methyl)­tri­phenyl­phospho­nium iodide: supramolecular zigzag chains via C—H⋯O hydrogen bonding stabilized by C—H⋯I interactions

... parameters in (I) resemble those of the isomorphous nitrate salt (Pbca with Z = 8; Baby Mariyatra et al., 2002), but differ from the parent ylide (Kalyanasundari et al., 1994). The crystal structure can be best described ...

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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

... acrosome reaction (Spungin et al., 1992), development of immunoaffinity chromatography for the purification of human coagulation factor (Tharakan et al., 1992), chemical studies on viruses (Alford et al., 1991), ...

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2 Methyl­phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O, C—H⋯π and π–π interactions

2 Methyl­phenyl 4 toluene­sulfonate: supramolecular aggregation through weak C—H⋯O, C—H⋯π and π–π interactions

... CÐH O interactions (Table 2). The H O distances found in (I) agree with those found for weak CÐH O bonds (Desiraju & Steiner, ...O3 interactions each generate an S(5) ...

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