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[2-(3,5-Dimethyl-1H-pyrazol-1-yl-?N)-1,10-phenanthroline-?N,N']bis-(nitrito-?O,O')cadmium(II).

ABSTRACT: In the title complex, [Cd(NO(2))(2)(C(17)H(14)N(4))], the Cd(II) ion assumes a distorted monocapped octa-hedral coordination geometry defined by an N(3)O(4) donor set. The crystal structure is stabilized by ?-? stacking inter-actions [shortest centroid-centroid distance = 3.5537?(18)?Å].

SUBMITTER: Shi JM

PROVIDER: S-EPMC3007325 | biostudies-literature | 2010 Jul

REPOSITORIES: biostudies-literature

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[2-(3,5-Dimethyl-1H-pyrazol-1-yl-κN)-1,10-phenanthroline-κN,N']bis-(nitrito-κO,O')cadmium(II).

Shi Jing Min JM Meng Lin L Wang Yu Qing YQ

Acta crystallographica. Section E, Structure reports online 20100703 Pt 8

In the title complex, [Cd(NO(2))(2)(C(17)H(14)N(4))], the Cd(II) ion assumes a distorted monocapped octa-hedral coordination geometry defined by an N(3)O(4) donor set. The crystal structure is stabilized by π-π stacking inter-actions [shortest centroid-centroid distance = 3.5537 (18) Å]. ...[more]

PMID: 21588125

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[2,9-Bis(3,5-dimethyl-1H-pyrazol-1-yl-κN)-1,10-phenanthroline-κN,N'](methanol-κO)(nitrito-κO,O')cadmium(II) perchlorate.

Project description:In the title complex, [Cd(NO(2))(C(22)H(20)N(6))(CH(3)OH)]ClO(4), the Cd(II) ion is in a distorted penta-gonal-bipyramidal CdN(4)O(3) coordination geometry. The dihedral angles formed between the mean planes of the pyrazole rings and the phenanthroline ring system are 4.37 (19) and 5.84 (21)°. In the crystal, the anions and cations are connected by inter-molecular O-H⋯O hydrogen bonding, while pairs of weak inter-molecular C-H⋯O hydrogen bonds connect the cations into centrosymmetric dimers. In addition, there is a π-π stacking inter-action involving two symmetry-related benzene rings, with a centroid-centroid distance of 3.437 (3) Å.

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Project description:In the title complex, [Cd(NCS)(2)(C(22)H(20)N(6))], the Cd(II) ion is in a CdN(6) coordination geometry which is inter-mediate between octa-hedral and trigonal-prismatic. The dihedral angles formed between the mean planes of the pyrazole rings and the phenanthroline system are 15.74?(15) and 16.30?(13)°. In the crystal, there is a ?-? stacking inter-action involving two symmetry-related pyrazole rings, with a centroid-centroid distance of 3.664?(3)?Å. In addition, there is a relatively short inter-molecular contact between C atoms [C?C = 3.399?(6)?Å] involving symmetry-related pyridine rings along the a axis.

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[2-(3,5-Dimethyl-1H-pyrazol-1-yl-κN)-1,10-phenanthroline-κN,N']bis-(thio-cyanato-κN)cadmium(II).

Project description:In the title complex, [Cd(NCS)(2)(C(17)H(14)N(4))], the Cd(II) ion is in a distorted trigonal-bipyramidal CdN(5) coordination geometry. In the crystal structure, there is a π-π stacking inter-action involving a pyrazole ring and a symmetry-related pyridine ring with a centroid-centroid distance of 3.578 (3) Å.

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Dichlorido[2-(3,5-dimethyl-1H-pyrazol-1-yl-?N)-1,10-phenanthroline-?N,N']cadmium(II).

Project description:The asymmetric unit of the title compound, [CdCl(2)(C(17)H(14)N(4))], contains two independent mol-ecules in which the Cd(II) ions are in distorted trigonal-bipyramidal CdN(3)Cl(2) coordination environments. In the crystal structure, there is a ?-? stacking inter-action involving a pyridine ring and a symmetry-related benzene ring, with a centroid-centroid distance of 3.5088?(19)?Å.

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Bis{4-[(3,5-dimethyl-1H-pyrazol-4-yl)selan-yl]-3,5-dimethyl-1H-pyrazol-2-ium} chloride monohydrate.

Project description:In the title compound, 2C(10)H(15)N(4)Se(+)·Cl(-)·OH(-), a singly protonated mol-ecule of the organic selenide participates in hydrogen bonding with neighboring mol-ecules, forming zigzag chains along [001]. The molecule adapts a cis bridging mode with a C-Se-C angle of 102.13?(15)°. ?-? stacking inter-actions are observed between the closest pyrazole rings of neighboring chains [centroid-centroid distance = 3.888?(1)?Å] and hydrogen bonding occurs through bridging chloride anions and hydroxide groups. Additionally, O-H?Cl hydrogen bonds are formed.

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Bis[6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinato-?N,O]cadmium(II) 1.75-hydrate.

Project description:In the title complex, [Cd(C(11)H(10)N(3)O(2))(2)]·1.75H(2)O, the Cd atom is coordinated by four N atoms and two O atoms from two tridentate 6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinate ligands in a distorted cis-N(4)O(2) octa-hedral geometry. Three water mol-ecules, with occupancies of 1.0, 0.5 and 0.25, complete the asymmetric unit. The components of the crystal structure are linked via hydrogen bonds, forming a three-dimensional network.

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Bis[bis-(3,5-dimethyl-1H-pyrazol-1-yl)-borato]cobalt(II).

Project description:The asymmetric unit of the title compound, [Co(C(10)H(16)BN(4))(2)], comprises one unit of the complex. The geometry around the Co(II) ion is a distorted tetra-hedron. The dihedral angles between the pyrazole rings in the two ligands are 47.19 (15) and 47.20 (16)°, while that between the coordination planes is 79.77 (7)°.

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Bis[6-(3,5-dimethyl-1H-pyrazol-1-yl)picolinato]manganese(II) trihydrate.

Project description:In the title complex, [Mn(C(11)H(10)N(3)O(2))(2)]·3H(2)O, the Mn(II) atom is coordinated by four N atoms and two O atoms in a distorted octa-hedral geometry. The mol-ecules are linked together via hydrogen bonds involving the water molecules. One of these is disordered equally over two positions.

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catena-Poly[[copper(II)-bis[?-bis(3,5-dimethyl-1H-pyrazol-4-yl) selenide]] bis(perchlorate)].

Project description:In the title compound, {[Cu(C(10)H(14)N(4)Se)(2)](ClO(4))(2)}(n), the Cu(II) ion is located on a twofold rotation axis and has a tetra-gonally distorted square-planar geometry constituted by four N atoms. A pair of bis(3,5-dimethyl-1H-pyrazol-4-yl) selenide (L) ligands bridges the copper centers into a polymeric chain extending along [001]. The perchlorate anions are involved in inter-molecular N-H?O hydrogen bonding, which links the chains into layers parallel to the bc plane.

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{1,2-Bis[(3,5-dimethyl-1H-pyrazol-1-yl-?N)meth-yl]benzene}-dichloridozinc(II).

Project description:The title zinc complex, [ZnCl(2)(C(18)H(22)N(4))], contains a bidentate 1,2-bis(3,5-dimethyl-1H-pyrazol-1-ylmeth-yl)benz-ene ligand that binds to the zinc atom, forming a nine-membered metallocyclic ring. The geometry about the Zn atom is distorted tetra-hedral, with the largest deviation observed in the magnitude of the Cl-Zn-Cl angle. Similar distortions are observed in the cobalt analogue and related zinc compounds containing metallocyclic rings with more than six members. The copper analogue exhibits a more severe distortion of the metal coordination sphere than is observed in the title compound.

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