A novel two-dimensional cobalt(II) coordination polymer with 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene.

In the crystal structure of the title complex, poly[[diazidocobalt(II)]-di-mu-1,4-bis(1,2,4-triazol-1-ylmethyl)benzene-kappa(4)N(4):N(4')], Co(N(3))(2)(bbtz)(2), where bbtz is 1,4-bis(1,2,4-triazol-1-ylmethyl)benzene (C(12)H(12)N(6)), the Co(II) atom, which lies on an inversion centre, is six-coordinated by four N atoms from four bbtz ligands and by two N atoms from two azide ligands, in a distorted octahedral coordination environment. The Co(II) atoms are bridged by four bbtz ligands to form a two-dimensional [4,4]-network.