BIFURCATED HYDROGEN BONDS
Bis(2,6 dimethylpyridinium) dichromate
... In the crystal structure, there are two pairs of bifurcated hydrogen bonds between the pyridinium and the dichromate ions (Table 2). Furthermore, the pyridinium and dichromate ions are linked by a ...
10
3,6 Di 2 pyridylpyrrolo[3,4 c]pyrrole 1,4(2H,5H) dione
... O bifurcated hydrogen bonds between the NH group of one molecule and the O atom of the neighboring one and the two N atoms of the pyridyl rings remain free ...
7
4,8 Bis[(4 butylphenyl)amino] 1,5 naphthalenedione
... intermolecular hydrogen bonds (Table ...these bifurcated hydrogen bonds to form a ribbon structure along the c ...the hydrogen-bonded molecular planes; the molecule on the right ...
7
β Glycine
... intermolecular hydrogen bonds within the layer are longer in the -poly- morph ...the bifurcated hydrogen bonds link layers of zwitterions related by mirror planes in double-layer ...
6
3,6 Di 3 pyridylpyrrolo[3,4 c]pyrrole 1,4(2H,5H) dione
... high-performance hydrogen gas sensor (Takahashi & Mizuguchi, ...N—H···O bifurcated hydrogen bonds between the NH group of one molecule and the O atom of the neighboring one, and the two N ...
8
Vol 4, No 10-12 (2015)
... Most of the crystallographic analysis that follows from structure determination involves interpretation of the molecular geometry and a working knowledge of a variety of intra- and intermolecular interactions based ...
9
3 (Dimethylammonio)propanaminium dipicrate
... hydrogen bonds. Of the two picrate anions, B is involved in extensive hydrogen bonds, whereas A is involved in only two N—H O bonds, which are components of a bifurcated bond ...
11
(2E,5E) 2,5 Bis(4 hydroxy 3 methoxybenzylidene)cyclopentanone ethanol monosolvate
... via hydrogen bonds (Table ...form bifurcated hydrogen bonds with intramolecular branches to adjacent methoxy O atoms (O3—H12···O5, O5—H20···O4) and intermolecular branches to either a ...
9
Crystal structures of the two salts 2 methyl 1H imidazol 3 ium nitrate–2 methyl 1H imidazole (1/1) and 2 methyl 1H imidazol 3 ium nitrate
... with bifurcated hydrogen bonds between imidazol-3-ium cations and nitrate anions as found in (II) have been reported for 2-(1-naphthyldiazenyl)- 1H-imidazol-3-ium nitrate (Pramanik et ...
10
Nicotinium tetrachlorocuprate(II)
... via hydrogen bonds. There are two different types of hydrogen-bonding interactions present, namely (i) the protonated pyridinium groups exclusively form bifurcated hydrogen bonds ...
12
8 Quinolyl 3 nitrobenzenesulfonate
... respectively. This near-coplanar orientation is similar to that found in related aromatic sulfonates (Vembu et al., 2003; Vembu, Nallu, Garrison & Youngs, 2003a), and is in contrast with the non-coplanar orientation ...
16
Crystal structures of N (4 chlorophenyl) 2 [(4,6 diaminopyrimidin 2 yl)sulfanyl]acetamide and N (3 chlorophenyl) 2 [(4,6 diaminopyrimidin 2 yl)sulfanyl]acetamide
... The molecular structure of the two independent molecules (A and B) of compound (II), with the atom labelling. Displacement ellipsoids are drawn at the 30% probability level. The intramolecular N—H N hydrogen ...
15
4 Dimethylaminopyridinium–4 nitrophenolate–4 nitrophenol (1/1/1)
... 3.912 AÊ between the centroids of the 4-nitrophenol and 4-dimethylaminopyridinium rings. Other short intermolecular contacts are C1 O1(x + 1, y, z) of 3.179 (2) AÊ, N1 O3(x ÿ 1, y, z) of 3.026 (2) AÊ, C7 O5(x ÿ 1, y, z) ...
10
Intra and intermolecular proton transfer in 2,6 diaminopyridinium 4 hydroxypyridin 1 ium 2,6 dicarboxylate
... O hydrogen bonds (including one bifurcated hydrogen ...O hydrogen bonds between the chelidamate anions, leading to chains along the a ...
12
Characterising organic hydrogen bonds
... f hydrogen bonding, as the interaction energy is partitioned into physically meaningful terms, each term being evaluated ...of hydrogen bonds are discussed in a later paragraph in the context of the ...
259
Bis(piperazinium) di μ chloro pentachlorotriiododibismuthate(III) tetrahydrate
... O—H···O hydrogen bonds ...N—H···O hydrogen bonds with their neighboring piperazium cations to form a one-dimensional chain along the a axis ...
10
Poly[bis(guanidinium) [diaquabis(μ3 hydrogencitrato) μ2 oxalato dineodymium(III)] heptahydrate]
... A view of (I), showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 30% probability level and H atoms are represented by circles of arbitrary size. Dashed lines indicate the hydrogen-bonding ...
8
Polymeric bis(lithium disodium nonahydrate) decavanadate, {[LiNa2(H2O)9]2[V10O28]}n
... the hydrogen bonds mentioned above, a classical hydrogen-bonding network occurs in the crystal structure of ...form hydrogen bonds with O atoms on the surface of the decavanadate in a ...
10
Crystal structures of 4 (pyrimidin 2 yl)piperazin 1 ium chloride and 4 (pyrimidin 2 yl)piperazin 1 ium nitrate
... In the crystal of (I), N4—H4A Cl1 and N4—H4B Cl1 interactions are observed between pyrimidylpiperazine cations and chloride anions, forming zigzag chains along [100] (Fig. 3 and Table 1). In the crystal of (II), both of ...
11
Crystal structures of two hydrazinecarbothioamide derivatives: (E) N ethyl 2 [(4 oxo 4H chromen 3 yl)methylidene]hydrazinecarbothioamide hemihydrate and (E) 2 [(4 chloro 2H chromen 3 yl)methylidene] N phenylhydrazinecarbothioamide
... In the crystal of I, bifurcated N—H O and C—H O hydrogen bonds link the two independent molecules forming A–B dimers with two R126 ring motifs, and R2210 and R2214 ring motifs.. In add[r] ...
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