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1

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trans-Tetrakis[N-(adamantan-1-yl)pyridine-4-carboxamide]dichloridomanganese(II)–N-(adamantan-1-yl)pyridine-4-carboxamide (1/2) (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-03-15

Beschreibung: The asymmetric unit of the title compound, [MnCl2(C16H20N2O)4]·2C16H20N2O, is composed of two coordinating N-(adamantan-1-yl)pyridine-4-carboxamide molecules, one Cl− anion, an MnII ion, lying on an inversion centre, and one free N-(adamantan-1-yl)pyridine-4-carboxamide molecule. The distorted octahedral Mn environment comprises two terminal Cl atoms and four monodentate N atoms from four organic ligands. All the carbamoyl N atoms are involved in intermolecular N—H...O hydrogen-bonding interactions which link the molecules into a chain along the a axis.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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2

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4-Methylanilinium 2-carboxyacetate (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-06-03

Beschreibung: During the formation of the title salt, C7H10N+·C3H3O4−, an H atom of a carboxyl group was transferred to the amino group. All non-H atoms of the cation are essentially coplanar [r.m.s. deviation = 0.007 (4) Å]. The mean planes of the carboxylate and carboxyl groups of the anion form a dihedral of 69.67 (1)°. In the crystal, N—H...O and O—H...O hydrogen bonds connect the anions and cations, forming a two-dimensional network parallel to the bc plane.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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3

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4-Cyanopyridinium dihydrogen phosphate–isonicotinonitrile–phosphoric acid (1/1/1) (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-05-13

Beschreibung: The asymmetric unit of the title compound, C6H5N2+·H2PO4−·C6H4N2·H3PO4, contains one 4-cyanopyridinium cation, one H2PO4− anion, one independent isonicotinonitrile molecule and one independent H3PO4 molecule. The dihedral angle between the mean planes of the separate protonated and unprotonated pyridine rings is 9.93 (8)°. In the crystal, N—H...O and O—H...N hydrogen bonds and weak C—H...O and C—H...N intermolecular interactions connect the organic molecules into a two-dimensional network parallel to the ac plane. O—H...O hydrogen-bonding interactions involving the H2PO4− anions and H3PO4 molecules provide additional support from the inorganic groups Weak π–π stacking interactions between the pyridine rings of neighbouring organic molecules [centroid–centroid distances = 3.711 (4) and 3.784 (2) Å] further link the layers into a three-dimensional network.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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4

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Di-μ-chlorido-bis{bis[4-(adamantan-1-ylcarbamoyl)pyridine-κN]chloridocopper(II)} hemihydrate (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-01-15

Beschreibung: In the centrosymmetric dimeric title compound, [Cu2Cl4(C16H20N2O)4]·0.5H2O, the CuII atom is in a distorted trigonal–bipyramidal environment defined by two bridging Cl atoms, one terminal Cl atom and two N atoms from two monodentate 4-(adamantan-1-ylcarbamoyl)pyridine ligands. The amine N atoms are involved in intramolecular N—H...O and intermolecular N—H...Cl hydrogen bonds. The latter hydrogen bonds link the complex molecules into a ribbon along [010]. The uncoordinated water molecule is 0.25-occupied.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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5

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Allyl(ferrocenylmethyl)dimethylammonium perchlorate (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-01-22

Beschreibung: The asymmetric unit of the title complex, [Fe(C5H5)(C11H17N)]ClO4, contains two independent allyl(ferrocenylmethyl)dimethylammonium cations and two ClO4− anions. The anions are disordered each over two sets of sites, with an occupancy ratio of 0.617 (6):0.383 (6). The distances from the Fe atoms to the centroids of the unsubstituted and substituted cyclopentadienyl (Cp) rings are 1.645 (1)/1.657 (1) and 1.644 (1)/1.647 (1) Å. The dihedral angles between the two Cp rings are 2.49 (3) and 1.45 (4)° in the two ferrocenyl groups of the cations.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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6

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catena-Poly[4-methylmorpholin-4-ium [[dichloridobismuth(III)]-di-μ-chlorido]] (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-01-22

Beschreibung: The asymmetric unit of the title complex, {(C5H12NO)[BiCl4]}n, contains two bridging and two cis non-bridging chloride ligands coordinated to a central BiIII atom, and one 4-methylmorpholin-4-ium cation. The BiIII atoms are linked by the bridging chloride ligands into linear chains parallel to the c axis. The chloride ions create a pseudo-octahedral geometry about each BiIII atom. Bifurcated N—H...Cl hydrogen bonds link the cations to the anionic chains.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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7

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(Ferrocenylmethyl)trimethylammonium perchlorate (2012)

Wang, Y.-C.

International Union of Crystallography (IUC)

In: Acta Crystallographica Section E

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Publikationsdatum: 2012-01-22

Beschreibung: The asymmetric unit of the title complex, [Fe(C5H5)(C9H15N)]ClO4, contains one discrete (ferrocenylmethyl)trimethylammonium cation and one perchlorate anion. The anion is disordered over two sets of sites, with refined occupancies of 0.776 (8) and 0.224 (8). The distances from the Fe atom to the centroids of the unsubstituted and substituted cyclopentadienyl (Cp) rings are 1.650 (1) and 1.640 (1) Å, respectively. The Cp rings form a dihedral angle of 2.66 (3)°.

Digitale ISSN: 1600-5368

Thema: Chemie und Pharmazie , Geologie und Paläontologie

Publiziert von International Union of Crystallography (IUC)

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