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[Bis(2-pyridylmeth-yl)amine]dichloridomercury(II).

ABSTRACT: The Hg atom in the title complex, [HgCl(2)(C(12)H(13)N(3))], adopts a square-pyramidal geometry, being ligated by three N atoms of the tridentate bis-(2-pyridylmeth-yl)amine ligand and two Cl atoms, with one of the latter occupying the apical position. Disorder is noted in the amine portion of the ligand and this was modelled over two sites, with the major component having a site-occupancy factor of 0.794?(14).

SUBMITTER: Kim YI

PROVIDER: S-EPMC2960290 | biostudies-literature | 2008 Jan

REPOSITORIES: biostudies-literature

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[Bis(2-pyridylmeth-yl)amine]dichloridomercury(II).

Kim Young-Inn YI Lee You-Soon YS Seo Hoe-Joo HJ Nam Ki-Sun KS Kang Sung Kwon SK

Acta crystallographica. Section E, Structure reports online 20080116 Pt 2

The Hg atom in the title complex, [HgCl(2)(C(12)H(13)N(3))], adopts a square-pyramidal geometry, being ligated by three N atoms of the tridentate bis-(2-pyridylmeth-yl)amine ligand and two Cl atoms, with one of the latter occupying the apical position. Disorder is noted in the amine portion of the ligand and this was modelled over two sites, with the major component having a site-occupancy factor of 0.794 (14). ...[more]

PMID: 21201317

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[Benzyl(2-pyridylmeth-yl)amine]dichloridomercury(II).

Project description:The Hg atom in the title compound, [HgCl(2)(C(13)H(14)N(2))], adopts a distorted tetra-hedral geometry, being ligated by two N atoms of the benzyl(2-pyridylmeth-yl)amine (bpma) ligand and two Cl atoms. The dihedral angle between the least-squares planes through the chelate ring and Cl-Hg-Cl atoms is 85.4?(1)°. The phenyl ring on the bpma ligand is twisted out of the pyridine plane, forming a dihedral angle of 76.0?(3)°. Disorder in this ring is also noted with two coplanar conformations having equal site occupancies.

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[(6-Methyl-2-pyridylmeth-yl)(2-pyridylmeth-yl)amine][(2-pyridylmeth-yl)amine]copper(II) bis-(perchlorate).

Project description:The title compound, [Cu(C(6)H(8)N(2))(C(13)H(15)N(3))](ClO(4))(2), is a mixed ligand complex with the Cu(II) atom coordinated by (6-methyl-2-pyridylmeth-yl)(2-pyridylmeth-yl)amine, acting as a tridentate ligand, and 2-(2-amino-meth-yl)pyridine, as a bidentate ligand, leading to an N(5) square-pyramidal geometry. The amine H atoms are involved in hydrogen bonding to the perchlorate O atoms and there are extensive but weak inter-molecular C-H⋯O inter-actions in the crystal structure. The perchlorate ions are each disordered over two positions, with site occupancies of 0.601 (8):0.399 (8) and 0.659 (11):0.341 (11).

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(Acetonitrile)[bis-(2-pyridylmeth-yl)amine]bis-(perchlorato)copper(II).

Project description:In the title compound, [Cu(ClO(4))(2)(C(12)H(13)N(3))(C(2)H(3)N)], the Cu(II) atom is six-coordinate in a Jahn-Teller distorted octahedral geometry, with coordination by the tridentate chelating ligand, an acetonitrile mol-ecule, and two axial perchlorate anions. The tridentate ligand bis-(2-pyridylmeth-yl)amine chelates meridionally and equatorially while an acetonitrile mol-ecule is coordinated at the fourth equatorial site. The two perchlorate anions are disordered with site occupancy factors of 0.72/0.28. The amine H is involved in intra-molecular hydrogen bonding to the perchlorate O atoms and there are extensive but weak inter-molecular C-H⋯O inter-actions.

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[Benz-yl(2-pyridyl-methyl-idene)amine]-dichloridomercury(II).

Project description:The Hg(II) ion in the title complex, [HgCl(2)(C(13)H(12)N(2))], adopts a distorted tetra-hedral geometry being coordinated by two Cl anions and by two N atoms of the benz-yl(2-pyridyl-methyl-ene)amine ligand. The Cl-Hg-Cl plane is twisted at 70.1 (1)° from the mean plane of the chelate ring. In the crystal structure, inter-molecular π-π inter-actions [centroid-centroid distance = 3.793 (3) Å] between the aromatic rings link the mol-ecules into zigzag chains extending along [010].

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N,N-Bis(2-pyridylmeth-yl)-tert-butyl-amine.

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(Dicyanamido)[tris-(2-pyridylmeth-yl)amine]zinc(II) perchlorate.

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μ-Oxido-bis-{chlorido[tris-(2-pyridylmeth-yl)amine]chromium(III)} bis(hexafluoridophosphate).

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Bis(thio-cyanato-?N)[tris-(2-pyridylmeth-yl)amine-?N,N',N'',N''']nickel(II) methanol hemisolvate.

Project description:The title complex, [Ni(NCS)(2)(C(18)H(18)N(4))]·0.5CH(3)OH, consists of two crystallographically distinct complexes and a methanol solvent mol-ecule. The Ni(II) complexes are pseudo-octa-hedral six-coordinate, with the tris-(2-pyridylmeth-yl)amine (TPA) ligand providing four N atoms and two N-bound thio-cyanates providing the final two N atoms. The distances and angles are typical for Ni(II)-TPA complexes. The compound has unit-cell parameters that are surprisingly similar to the previously reported hydrate.

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Di-?-chlorido-bis-{[2-(benzyl-imino-meth-yl)pyridine-?N,N']chloridomercury(II)} dichloridomercury(II).

Project description:The Hg(II) ion in the title centrosymmetric dinuclear complex, [Hg(2)Cl(4)(C(13)H(12)N(2))(2)]·[HgCl(2)], adopts a distorted square-pyramidal geometry, being coordinated by the bis-chelating N-heterocyclic ligand, two bridging Cl atoms and one terminal Cl atom. One of the bridging Hg-Cl bonds [2.8428?(11)?Å] is significantly longer than the other [2.5327?(10)?Å]. In the crystal, there are weak ?-? inter-actions [centroid-centroid distance = 3.630?(3)?Å] between the aromatic rings of the discrete units. The HgCl(2) adduct molecule is located on an inversion centre and has an Hg-Cl bond length of 2.2875?(11)?Å.

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catena-Poly[[dichloridozinc(II)]-μ-1,4-bis-(3-pyridylmeth-yl)piperazine].

Project description:In the title compound, [ZnCl(2)(C(16)H(20)N(4))](n), tetra-hedrally coordinated divalent Zn atoms are ligated by two Cl atoms and two N-donor atoms from two 1,4-bis-(3-pyridylmeth-yl)-piperazine (3-bpmp) ligands. The tethering 3-bpmp ligands promote the formation of [ZnCl(2)(3-bpmp)](n) chains situated parallel to (02). These chains aggregate via C-H⋯Cl inter-actions to form supra-molecular layers, which in turn stack to construct the three-dimensional crystal structure.

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