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Dichlorido(2,9-dimethyl-1,10-phenanthroline-?(2)N,N')mercury(II).

ABSTRACT: The title compound, [HgCl(2)(C(14)H(12)N(2))], consists of one 2,9-dimethyl-1,10-phenanthroline (dmphen) ligand chelating the Hg(II) ion and two chloride ligands coordinating to the Hg(II) ion, forming a distorted tetra-hedral environment. The dmphen ligand is nearly planar (r.m.s. deviation = 0.0225?Å). The dihedral angle between the normal to the plane defined by the Hg(II) atom and the two Cl atoms and the normal to the plane of the dmphen ring is 81.8?(1)°.

SUBMITTER: Warad I

PROVIDER: S-EPMC3569203 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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Dichlorido(2,9-dimethyl-1,10-phenanthroline-κ(2)N,N')mercury(II).

Warad Ismail I Al-Noaimi Mousa M Haddad Salim F SF Othman Rema R

Acta crystallographica. Section E, Structure reports online 20130119 Pt 2

The title compound, [HgCl(2)(C(14)H(12)N(2))], consists of one 2,9-dimethyl-1,10-phenanthroline (dmphen) ligand chelating the Hg(II) ion and two chloride ligands coordinating to the Hg(II) ion, forming a distorted tetra-hedral environment. The dmphen ligand is nearly planar (r.m.s. deviation = 0.0225 Å). The dihedral angle between the normal to the plane defined by the Hg(II) atom and the two Cl atoms and the normal to the plane of the dmphen ring is 81.8 (1)°. ...[more]

PMID: 23424405

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Project description:The asymmetric unit of the title compound, [Hg(SCN)(2)(C(14)H(12)N(2))], contains two complex mol-ecules in which the Hg(II) atoms are both four-coordinated in a distorted tetra-hedral configuration by two N atoms from a chelating 2,9-dimethyl-1,10-phenanthroline ligand and by two S atoms from two thio-cyanate anions. The 1,10-phenanthroline ligand is slightly folded for one complex, the dihedral angle between the pyridine planes being 5.3?(1)°. In contrast it is nearly planar [0.5?(1)°] as it complexes with the other Hg(II) atom. The thio-cyanate ligands are virtually linear and the S atom is bonded to Hg(II) with N?S-Hg angles ranging from 99.3?(1) to 103.5?(1)°. Despite the presence of six aromatic rings in the asymmetric unit, there are no significant inter-molecular ?-? contacts between phenanthroline ligands as the centroid-centroid distance of the closest contact between six-membered rings is 4.11?(1) A°.

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Project description:All non-H atoms except for the Cl atoms lie on a mirror plane in the title complex, [ZnCl(2)(C(16)H(16)N(2)O(2))]. The Zn(II) ion is coordinated by two N atoms from a bis-chelating 2,9-dieth-oxy-1,10-phenanthroline ligand and two symmetry-related Cl atoms in a distorted tetra-hedral environment. The two Zn-N bond lengths are significantly different from each other and the N-Zn-N angle is acute. In the crystal structure, there are weak but significant ?-? stacking inter-actions between phenanthroline rings, with a centroid-centroid distance of 3.764?(1)?Å.

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Dichlorido(2,9-dimeth-oxy-1,10-phenanthroline-?N,N')zinc(II).

Project description:In the crystal structure of the title compound, [ZnCl(2)(C(14)H(12)N(2)O(2))], the Zn(II) center is four-coordinated by two N atoms from one 2,9-dimeth-oxy-1,10-phenanthroline ligand and two Cl atoms. The coordination geometry is distorted tetra-hedral, as the Zn-N bond distances are shorter than the Zn-Cl distances, and the Cl-Zn-N and Cl-Zn-Cl bond angles are much larger than the N-Zn-N angle. For the ligand, the O and C atoms of the meth-oxy groups are almost in the plane defined by the phenanthroline ring. The two O atoms deviate from the phenanthroline mean plane by 0.076?(2) and 0.084?(2)?Å, and the two methyl C atoms deviate from the phenanthroline mean plane by 0.035?(3) and 0.361?(3)?Å. There are medium ?-? stacking interactions between two parallel phenanthroline rings with a centroid-centroid distance of 3.7860?(2)?Å and a dihedral angle between the plane defined by the two parallel phenanthroline rings of 1.13?(5)°.

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Aqua-(2,9-dimethyl-1,10-phenanthroline-?N,N')bis-(2-hydroxy-benzoato-?O)manganese(II) 2,9-dimethyl-1,10-phenanthroline hemisolvate.

Project description:In the asymmetric unit of the title complex, [Mn(C(7)H(5)O(3))(2)(C(14)H(12)N(2))(H(2)O)]·0.5C(14)H(12)N(2), the Mn(II) ion is coordinated by a bidentate 2,9-dimethyl-1,10-phenanthroline (dmphen) mol-ecule, one water mol-ecule and two monodentate 2-hydroxy-benzoate anions in a distorted trigonal-bipyramidal geometry. The OH group of the 2-hydroxy-benzoate anion is disordered over two positions with site-occupancy factors of 0.5. The asymmetric unit is completed with by an uncoordinated half-mol-ecule of dmphen, disordered about a crystallographic twofold axis. In the crystal structure, mol-ecules are linked into a two-dimensional framework by O-H?N, O-H?O and C-H?O hydrogen bonds. The packing of the structure is further stabilized by ?-? stacking inter-actions involving dmphen mol-ecules, with centroid-centroid separations of 3.8027?(3) and 3.6319?(3)?Å.

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Aqua-(2,9-dimethyl-1,10-phenanthroline-?N,N')bis-(3-hydroxy-benzoato-?O)manganese(II)-2,9-dimethyl-1,10-phenanthroline-water (1/1/1).

Project description:In the title compound, [Mn(C(7)H(5)O(3))(2)(C(14)H(12)N(2))(H(2)O)]·C(14)H(12)N(2)·H(2)O, the Mn(II) ion is coordinated by a bidentate 2,9-dimethyl-1,10-phenanthroline (dmphen) ligand, two monodentate 3-hydroxy-benzoate anions (3-HBA) and one water mol-ecule in a distorted trigonal-bipyramidal environment. An uncoordinated dmphen and an uncoordinated water mol-ecule cocrystallized with each complex mol-ecule. Intra- and inter-molecular O-H?N and O-H?O hydrogen bonds are also present between the coordinated 3-HBA and water mol-ecules and the uncoordinated dmphen and water mol-ecules in the crystal. The packing of the structure is further stabilized by ?-? stacking inter-actions involving dmphen mol-ecules, with a centroid-centroid separation of 3.705?(3)?Å.

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