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N,N-Bis(pyridin-2-ylmeth-yl)cyclo-hexa-namine.

ABSTRACT: The pyridine rings of the title compound, C(18)H(23)N(3), are in a nearly perpendicular orientation relative to the plane defined by the three amino-bonded C atoms, making dihedral angles of 87.4 (1) ° and 84.2 (1) °. One of the pyridine N atoms acts as an hydrogen-bond acceptor for two pyridine C-H groups. By means of these intermolecular hydrogen bonds, the mol-ecules form a two-dimensional network parallel to the ab plane.

SUBMITTER: Akerman MP

PROVIDER: S-EPMC3393994 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of N,N'-bis-(pyridin-3-ylmeth-yl)cyclo-hexane-1,4-di-ammonium dichloride.

Project description:The title salt, C18H26N42+·2Cl-, was obtained by the protonation of N,N-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-amine with hydro-chloric acid in ethanol. The asymmetric unit consists of one half of an N,N-bis-(pyridin-3-ylmeth-yl)cyclo-hexane-1,4-di-ammonium dication, with a crystallographic inversion centre located at the centre of the cyclo-hexyl ring, and a chloride anion. The central cyclo-hexyl ring in the dication adopts a chair conformation. The two trans-(4-pyridine)-CH2-NH2- moieties at the 1- and 4-positions of the central cyclo-hexyl ring occupy equatorial sites. The terminal pyridine ring is tilted by 53.72?(6)° with respect to the mean plane of the central cyclo-hexyl ring (r.m.s. deviation = 0.2413?Å). In the crystal, N+-H?Cl- hydrogen bonds between the dications and the chloride anions, and ?-? stacking inter-actions between the pyridine rings of the dications afford a two-dimensional sheet extending parallel to the ab plane. These sheets are further connected through weak C-H?Cl- hydrogen bonds, resulting in the formation of a three-dimensional supra-molecular network.

| S-EPMC5137595 | biostudies-literature

Benzoic acid-3,4-bis-[(pyridin-3-ylmeth-yl)amino]-cyclo-but-3-ene-1,2-dione (1/2).

Project description:In the title co-crystal, C(16)H(14)N(4)O(2)·2C(7)H(6)O(2), the 3,4-bis-[(pyridin-3-ylmeth-yl)amino]-cyclo-but-3-ene-1,2-dione squareamide mol-ecules assemble into chains along the b axis via N-H?O hydrogen bonds. The benzoic acid mol-ecules then hydrogen bond to the pyridine rings via O-H?N hydrogen bonds, supported by weaker C-H?O hydrogen bonds, forming extended ribbons. The asymmetric unit consists of a half squareamide mol-ecule, sitting on a special position around a twofold axis, and one benzoic acid mol-ecule on a general position.

| S-EPMC3275061 | biostudies-literature

Bis[?-N-(pyridin-2-ylmeth-yl)pyridin-2-amine-?N:N']disilver(I) bis(trifluoro-methane-sulfonate).

Project description:In the binuclear title compound, [Ag(2)(C(11)H(11)N(3))(2)](CF(3)O(3)S)(2), the complex cation is centrosymmetric, with the unique Ag(+) cation coordinated by two pyridine N atoms from two symmetry-related N-(pyridin-2-ylmeth-yl)pyridin-2-amine ligands in a geometry slightly distorted from linear [N-Ag-N 161.02?(7)°]. This set-up leads to the formation of a 14-membered cyclic dimer. The two pyridine rings coordinated to the Ag(+) cation are tilted by 80.19?(7)° with respect to each other. Inter-molecular N-H?O hydrogen-bonding inter-actions between the cyclic dimer and the anion exist. A two-dimensional network parallel to the ac plane is constructed by three weak Ag?(O,N) inter-actions as well as an F?F contact of 2.890?(4)?Å.

| S-EPMC3238672 | biostudies-literature

3,5-Bis(3-methyl-imidazolium-1-ylmeth-yl)toluene bis-(hexa-fluoro-phosphate).

Project description:The asymmetric unit of the title N-heterocyclic carbene compound, C(17)H(22)N(4) (2+)·2PF(6) (-), consists of one N-heterocyclic carbene dication and two hexa-fluoro-phosphate anions. The two imidazole rings are twisted away from but to the same side of the central toluene ring, making dihedral angles of 76.69?(7) and 78.03?(7)° with the central ring. In the crystal, the components are linked by C-H?F interactions, generating a three-dimensional network.

| S-EPMC2983672 | biostudies-literature

(2S*,5R*)-2,5-Dimethyl-1,4-bis-(pyridin-2-ylmeth-yl)piperazine.

Project description:The title compound, C18H24N4, resides on a crystallographic inversion centre, so that the asymmetric unit comprises one half-mol-ecule. The piperazine ring adopts a chair conformation, with the mean planes of the two equatorial pyridine rings parallel to each other and separated by 2.54?(3)?Å. No classical hydrogen bonds are observed.

| S-EPMC3770377 | biostudies-literature

Bis[?-3,5-bis-(pyridin-2-yl)pyrazolato]bis-[(hexa-fluoro-phosphato)copper(II)].

Project description:The title dinuclear complex mol-ecule, [Cu2(C13H9N4)2(PF6)2], lies about an inversion center. The Cu(II) atom shows a square-pyramidal coordination geometry with the basal plane formed by four N atoms of the two bis-chelating 3,5-bis-(pyridin-2-yl)pyrazolate ions and with one F atom of the hexa-fluoro-phosphate ion in the apical position. Mol-ecules are stacked in a column along the a axis through C-H?F hydrogen bonds. The columns are further linked by other C-H?F hydrogen bonds, forming a three-dimensional network.

| S-EPMC3793691 | biostudies-literature

Bis(pyridin-2-ylmeth-yl)ammonium nitrate.

Project description:In the title compound, C12H14N3 (+)·NO3 (-), the mononitrate of protonated bis-(pyridin-2-ylmeth-yl)amine, the least-squares planes defined by the non-H atoms of the two aromatic moieties inter-sect at an angle of 7.91?(6)°. In the crystal, N-H?N, N-H?O and C-H?N hydrogen bonds, as well as C-H?O contacts, connect the entities into a three-dimensional network. The shortest centroid-centroid distance between two aromatic systems is 3.7255?(8)?Å and is apparent between the two different aromatic moieties.

| S-EPMC3647857 | biostudies-other

Crystal structure of <i>N</i>,<i>N</i>'-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-ammonium dichloride dihydrate.

Project description:Treatment of N,N-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-amine with hydro-chloric acid in ethanol led to the formation of the title salt, C18H26N42+·2Cl-·2H2O, which lies about a crystallographic inversion center at the center of the cyclo-hexyl ring. The asymmetric unit therefore comprises one half of the N,N-bis-(pyridin-4-ylmeth-yl)cyclo-hexane-1,4-di-ammonium dication, a chloride anion, and a solvent water mol-ecule. In the dication, the two trans-(4-pyridine)-CH2-NH2- moieties occupy equatorial sites at the 1- and 4-positions of the central cyclo-hexyl ring, which is in a chair conformation. The terminal pyridine ring is tilted by 27.98?(5)° with respect to the mean plane of the central cyclo-hexyl moiety (r.m.s. deviation = 0.2379?Å). In the crystal, dications, anions, and solvent water mol-ecules are connected via N/C/O-H?Cl and N-H?O hydrogen bonds together with C-H?? inter-actions, forming a three-dimensional network.

| S-EPMC5050774 | biostudies-literature

Bis[?-N-(pyridin-2-ylmeth-yl)pyridin-3-amine-?(2) N:N']disilver(I) bis-(perchlorate) dimethyl sulfoxide disolvate.

Project description:In the binuclear title compound, [Ag2(C11H11N3)2](ClO4)2·2C2H6SO, the complex cation is centrosymmetric, with the unique Ag(I) cation coordinated by two pyridine N atoms from two symmetry-related N-(pyridine-2-ylmeth-yl)pyridine-3-amine ligands in a geometry slightly distorted from linear [N-Ag-N = 170.78?(9)°], resulting in the formation of a 16-membered cyclic dimer. The two pyridine rings coordinating to the Ag(I) atom are almost perpendicular to each other [dihedral angle = 87.73?(10)°]. Inter-molecular Ag?O inter-actions [3.149?(3) and 2.686?(3)?Å], N-H?O and C-H?O hydrogen bonds and C-H?? inter-actions between the cyclic dimers and the anions or the solvent mol-ecules lead to the formation of a three-dimensional supra-molecular network.

| S-EPMC3884244 | biostudies-literature

(1R,2R)-2-(Pyridin-4-yl-methyl-amino)-cyclo-hexa-naminium chloride.

Project description:In the crystal structure of the title compound, C(12)H(20)N(3) (+)·Cl(-), the protonated (1R,2R)-(pyridin-4-ylmeth-yl)cyclo-hexane-1,2-diamine cations and chloride anions are linked via N-H⋯N and N-H⋯Cl hydrogen bonds into a three-dimensional network.

| S-EPMC3051964 | biostudies-literature

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