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[Oxalylbis(aza-nedi-yl)]bis-{[amino-(2-pyrid-yl)methyl-ene]ammonium}.

ABSTRACT: The title compound, C(14)H(16)N(8)O(2) (2+)·2ClO(4) (-), was prepared by reaction of bis-[amino-(2-pyrid-yl)methyl-ene]oxalohydrazide with perchloric acid. The mol-ecular symmetry is C(i) and thus the asymmetric unit comprises one half-mol-ecule. The dihedral angle between the aromatic ring and the plane of the oxamide group is 70.8 (3)°. The perchlorate anions and the cations are connected by inter-molecular N-H⋯O hydrogen bonds.

SUBMITTER: Bi WT

PROVIDER: S-EPMC2969094 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis{4,4'-[oxalylbis(aza-nedi-yl)]dipyridinium} octa-molybdate.

Project description:In the crystal structure of the title compound, (C(12)H(12)N(4)O(2))(2)[Mo(8)O(26)], the amino and pyridinium groups of the N(1),N(2)-di(pyridinium-4-yl)oxalamide cations are hydrogen bonded to the O atoms of the centrosymmetric isopolyoxometalate ?-[Mo(8)O(26)](4-) anions, forming a three-dimensional supra-molecular architecture.

| S-EPMC3006793 | biostudies-literature

(2E,2'E)-Dimethyl 2,2'-[(phenyl-aza-nedi-yl)bis-(methyl-ene)]bis-(3-phenyl-acrylate).

Project description:The C=C double bonds in the title compound, C(28)H(27)NO(4), adopt an E conformation. In the crystal, pairs of C-H⋯O hydrogen bonds link the mol-ecules into inversion dimers.

| S-EPMC3394048 | biostudies-literature

6,6'-Dimethyl-2,2'-[oxalylbis(aza-nedi-yl)]dipyridinium dichloride acetonitrile solvate.

Project description:In the crystal structure of the title compound, C(14)H(16)N(4)O(2) (2+)·2Cl(-)·CH(3)CN, weak inter-molecular N-H⋯Cl hydrogen bonds are found between the H atoms bound to the pyridine and amine N atoms and the chloride anions. The asymmetric unit consits of one half cationic mol-ecule which is located on a centre of inversion, one chloride anion in a general position and one half acetonitrile mol-ecule which is located on a twofold axis. Because of symmetry, the C-H hydrogens of the acetonitrile solvent mol-ecule are disordered over two orientations.

| S-EPMC3007829 | biostudies-literature

2,2'-{[4,6-Bis(octyl-amino)-1,3,5-triazin-2-yl]aza-nedi-yl}diethanol.

Project description:In the title compound, C(23)H(46)N(6)O(2), the two hy-droxy groups are located on opposite sides of the triazine ring. One of the hy-droxy groups links with the triazine N atom via an intra-molecular O-H?N hydrogen bond. Inter-molecular O-H?N and N-H?O hydrogen bonding is observed in the crystal structure. ?-? stacking is also observed between parallel triazine rings of adjacent mol-ecules, the centroid-centroid distance being 3.5944?(14)?Å.

| S-EPMC3295417 | biostudies-literature

1,1'-Bis(3-methyl-3-phenyl-cyclo-but-yl)-2,2'-(aza-nedi-yl)diethanol.

Project description:The title mol-ecule, C(26)H(35)NO(2), contains two cyclo-butane rings that adopt butterfly conformations and are linked by a -CH(OH)CH(2)NHCH(2)CH(OH)- bridge. In the crystal, N-H?O, O-H?N and O-H?O hydrogen bonds together with C-H?? inter-actions link the molecules.

| S-EPMC3344013 | biostudies-literature

Cyclo-hex-yl(meth-yl)ammonium {bis-[cyclo-hex-yl(meth-yl)amino]-phosphor-yl}(4-methyl-phenyl-sulfon-yl)aza-nide.

Project description:In the anion of the title salt, C(7)H(16)N(+)·C(21)H(35)N(3)O(3)PS(-), the P and S atoms are both in distorted tetra-hedral environments and the angles at the tertiary N atoms confirm their sp(2) character. The two S=O groups are in syn and gauche conformations with respect to the phosphoryl group. In the crystal, N-H?O(=S) and N-H?O(=P) hydrogen bonds involving two anions and two cations form a centrosymmetric four-component cluster.

| S-EPMC3201332 | biostudies-literature

Bis{2,2'-[(2-amino-eth-yl)aza-nedi-yl]diethanaminium} di-?-sulfido-bis-(disulfido-germanate).

Project description:In the title compound, (C(6)H(20)N(4))(2)[Ge(2)S(6)], the dimeric [Ge(2)S(6)](4-) anion is formed by two edge-sharing GeS(4) tetra-hedral units. The average terminal and bridging Ge-S bond lengths are 2.158?(14) and 2.276?(6)?Å, respectively. The anions and the diprotonated ammonium cations are organized into a three-dimensional network by N-H?S and N-H?N hydrogen bonds.

| S-EPMC3274887 | biostudies-other

Crystal structure and Hirshfeld analysis of di-<i>tert</i>-butyl 2,2'-[(ethyl-aza-nedi-yl)bis-(methyl-ene)]bis-(1<i>H</i>-pyrrole-1-carboxyl-ate).

Project description:The title compound, C22H33N3O4, crystallizes in the triclinic space group P with two mol-ecules in a unit cell. The two pyrrole rings are essentially planar (r.m.s. deviation = 0.002?Å) and they form a dihedral angle of 81.24?(10)° with each other. The crystal packing is stabilized by C-H?? inter-actions and ?-? stacking inter-actions, forming a three-dimensional network. The Hirshfeld surface analysis and two-dimensional fingerprint plots reveal that the most important contributions for the crystal packing are from H?H (74.3%), C?H/H?C (11.5%) and O?H/H?O (9.1%) contacts.

| S-EPMC7784644 | biostudies-literature

1,2-Bis[amino-(pyrimidin-2-yl)methyl-ene]hydrazine dihydrate.

Project description:The centrosymmetric organic molecule in the title compound, C(10)H(10)N(8)·2H(2)O, is essentially flat and has a trans configuration. The mol-ecules are linked by inter-molecular O-H?N, N-H?O and N-H?N hydrogen bonds to form a linear chain structure.

| S-EPMC2915327 | biostudies-literature

Crystal structure and Hirshfeld surface analysis of the product of the ring-opening reaction of a di-hydro-benzoxazine: 6,6'-[(cyclo-hexyl-aza-nedi-yl)bis-(methyl-ene)]bis-(2,4-di-methyl-phenol).

Project description:In the title unsymmetrical tertiary amine, C24H33NO2, which arose from the ring-opening reaction of a di-hydro-benzoxazine, two 2,4-di-methyl-phenol moieties are linked by a 6,6'-(cyclo-hexyl-aza-nedi-yl)-bis-(methyl-ene) bridge: the dihedral angle between the dimethyl-phenol rings is 72.45?(7)°. The cyclo-hexyl ring adopts a chair conformation with the exocyclic C-N bond in an equatorial orientation. One of the phenol OH groups forms an intra-molecular O-H?N hydrogen bond, generating an S(6) ring, and a short intra-molecular C-H?O contact is also present. In the crystal, O-H?O hydrogen bonds link the mol-ecules into C(10) chains propagating along the [100] direction. The Hirshfeld surface analysis of the title compound confirms the presence of these intra- and inter-molecular inter-actions. The corresponding fingerprint plots indicate that the most significant contacts in the crystal packing are H?H (76.4%), H?C/C?H (16.3%), and H?O/O?H (7.2%).

| S-EPMC7405559 | biostudies-literature

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