Abstract
The PtII ion in the title complex, [PtCl2(C14H10N4)], is four-coordinated in a distorted square-planar environment by two N atoms of a chelating 2,3-di-2-pyridylpyrazine ligand and two chloride anions. The pyridyl ring coordinated to the PtII atom is inclined slightly to its carrier pyrazine ring [dihedral angle = 13.5 (1)°], whereas the uncoordinated pyridyl ring is inclined considerably to the pyrazine ring [dihedral angle = 54.3 (2)°]. The dihedral angle between the two pyridyl rings is 59.2 (2)°. In the crystal, the complexes are assembled through intermolecular C—H⋯N and C—H⋯Cl hydrogen bonds, forming a three-dimensional network. Intramolecular C—H⋯N and C—H⋯Cl hydrogen bonds are also present.
Highlights
The pyridyl ring coordinated to the PtII atom is inclined slightly to its carrier pyrazine ring [dihedral angle =
The complexes are assembled through intermolecular C—H N and C—H Cl hydrogen bonds, forming a three-dimensional network
Symmetry codes: (i) −x+2, −y+1, −z+1; (ii) x, y−1, z; (iii) −x+3/2, y−1/2, −z+1/2
Summary
R factor = 0.024; wR factor = 0.056; data-to-parameter ratio = 17.7. The PtII ion in the title complex, [PtCl2(C14H10N4)], is fourcoordinated in a distorted square-planar environment by two. N atoms of a chelating 2,3-di-2-pyridylpyrazine ligand and two chloride anions. The pyridyl ring coordinated to the PtII atom is inclined slightly to its carrier pyrazine ring [dihedral angle =. 13.5 (1) ], whereas the uncoordinated pyridyl ring is inclined considerably to the pyrazine ring [dihedral angle = 54.3 (2) ]. The dihedral angle between the two pyridyl rings is 59.2 (2). The complexes are assembled through intermolecular C—H N and C—H Cl hydrogen bonds, forming a three-dimensional network.
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