trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]cobalt(II) bis(tetrafluoridoborate)

trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]cobalt(II) bis(tetrafluoridoborate)

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The bidentate 1,3,4-thiadiazole ligand substituted by two 2-pyridyl rings (denoted L) has been found to produce the new monomeric title complex, [Co(C12H8N4S)2(H2O)2](BF4)2.The thiadiazole and pyridyl rings surrounding the Co atom are almost coplanar [dihedral angle = 4.35 (7)°].

The mean plane defined by Door Lock Relay these heterocyclic moieties makes a dihedral angle of 18.72 (6)° with the non-coordinated pyridyl ring.The Co2+ cation, located at a crystallographic center of symmetry, is bonded to two ligands and two water molecules in a trans configuration in an octahedral environment.

The tetrafluoridoborate ions can be regarded as free anions in the crystal lattice.Nevertheless, they are involved in an infinite two-dimensional network along the Totes [010] and [101] directions of O—H.F hydrogen bonds.