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3a,11b-Dihydr-oxy-2-oxo-2,3,3a,11b-tetra-hydro-1H-imidazo[4,5-f][1,10]phenanthrolin-7-ium chloride.

ABSTRACT: In the crystal structure of the title compound, C(13)H(11)N(4)O(3) (+)·Cl(-), the dihedral angle between the two pyridine rings is 9.72 (9) Å. Ions are linked via N-H⋯Cl, O-H⋯Cl and O-H⋯O hydrogen bonds, forming a three-dimensional framework.

SUBMITTER: Huang Y

PROVIDER: S-EPMC2962096 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1H-Imidazo[4,5-f][1,10]phenanthrolin-7-ium perchlorate monohydrate.

Project description:In the title crystal structure, C(13)H(9)N(4) (+)·ClO(4) (-)·H(2)O, cations, anions and water mol-ecules are linked through inter-molecular N-H?O, O-H?N and O-H?O hydrogen bonds, forming layers parallel to (001). In addition, there are weak ?-? stacking inter-actions between the layers, involving the cations and with centroid-centroid distances in the range 3.584?(2)-3.662?(2)?Å, forming a three-dimensional network.

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Project description:The title compound, C(12)H(9)N(2)O(2) (+)·Cl(-)·2H(2)O, exhibits a layered structure which is stabilized by inter-molecular O-H?O, O-H?Cl(-) and N(+)-H?Cl(-) hydrogen bonds, and ?-? inter-actions (centroid-centroid distances = 3.654 and 3.583?Å). The distances between the molecules are 3.371 and 3.294?Å.

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Project description:In the structure of the 1:1 proton-transfer compound of 1,10-phenanthroline with 4,5-dichloro-phthalic acid, C(12)H(9)N(2) (+)·C(8)H(3)Cl(2)O(4) (-), determined at 130?K, the 1,10-phenanthrolinium cation and the hydrogen 4,5-dichloro-phthalate anion associate through a single N-H?O(carbox-yl) hydrogen bond giving discrete units which have no extension except through a number of weak cation C-H?O(anion) associations and weak cation-anion aromatic ring ?-? inter-actions [minimum centroid-centroid separation = 3.6815?(12)?Å]. The anions are essentially planar "[maximum deviation 0.214?(1)?Å (a carboxyl O)] with the syn-related H atom of the carboxyl group, forming a short intra-molecular O-H?O(carbox-yl) hydrogen bond.

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Project description:In the title compound, C(20)H(11)N(5)·CH(3)OH, the benzene ring is twisted by a small dihedral angle of 1.89?(11)° with respect to the imidazo[4,5-f][1,10]phenanthroline ring system. N-H?O and O-H?N hydrogen bonding is present in the crystal structure.

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Project description:The title compound, C(12)H(7)N(2)O(2) (+)·Cl(-), is isostructural with its bromide analogue. The compound exhibits a layered structure in which all atoms lie on a crystallographic mirror plane. N(+)-H⋯Cl(-) hydrogen bonds, C-H⋯O and C-H⋯Cl(-) contacts are formed within each layer. The perpendicular separation between the layers is 3.141 (1) Å.

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5,6-Dioxo-1,10-phenanthrolin-1-ium nitrate.

Project description:In the title salt, C(12)H(7)N(2)O(2) (+)·NO(3) (-), the monoprotonated cation is connected to the nitrate anion by a hydrogen bond. Weak C-H⋯O hydrogen bonds hold the planar cations together in a layer structure.

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Bis(1,10-phenanthrolin-1-ium) 9,10-di-oxo-9,10-dihydroanthracene-1,5-disul-fonate hexa-hydrate.

Project description:The title hydrated molecular salt, 2C(12)H(9)N(2) (+)·C(14)H(6)O(8)S(2) (2-)·6H(2)O, consists of 1,10-phenanthrolinium (phen-H(+)) cations, anthraquinone-1,5-disulfonate (AQDS(2-)) anions, which occupy a centre of inversion, and water molecules of crystal-lization. In the crystal, a supra-molecular network structure is formed via N-H⋯O and O-H⋯O hydrogen bonds and weak C-H⋯O and π-π stacking inter-actions [centroid-centroid distances = 3.651 (6) and 3.545 (8) Å].

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