title: Bis{μ-[4-(1,3-benzothia-zol-2-yl)phen-yl]methane-thiol-ato-κS,S':S,S'}bis-[tricarbonyl-iron(I)](Fe-Fe).
abstract: The title compound, [Fe(2)(C(14)H(10)NS(2))(2)(CO)(6)], was synthesized as a structural and biochemical model for the active site of [FeFe]-hydrogenase. The bond lengths (Fe-Fe, Fe-S and Fe-C) and angles (C-Fe-Fe and Fe-S-Fe) are within expected ranges. The S⋯S distance [2.9069 (12) Å] and the dihedral angle between two Fe-S-Fe planes [78.5 (3)°] of the butterfly-shaped Fe(2)S(2) core are enlarged compared with related bridged dithiol-ate diiron analogues. The calculated 4-benzothia-zolebenzyl best planes are almost parallel [dihedral angle = 3.7 (7)°].
authors.affiliation: School of Materials Science and Engineering, Changchun University of Science and Technology, No. 7989 Weixing Road, Changchun 130022,  People's Republic of China.
authors.forename: Shang
authors.initials: S
authors.lastname: Gao
authors.forename: Da-Yong
authors.initials: DY
authors.lastname: Jiang
authors.forename: Qing-Cheng
authors.initials: QC
authors.lastname: Liang
authors.forename: Qian
authors.initials: Q
authors.lastname: Duan