Erratum: 1-[4-(Di-methyl-amino)-benzyl-idene]-4-o-tolyl-thio-semicarbazide. Corrigendum.

The correspondence address in the paper by Huang et al. [Acta Cryst. (2013), E69, o906-o907] is corrected.[This corrects the article DOI: 10.1107/S1600536813012890.].

1-[4-(Di-methyl-amino)-benzyl-idene]-4-o-tolyl-thio-semicarbazide.

The asymmetric unit of the title compound, C17H20N4S, contains two independent mol-ecules, the main difference between them being the dihedral angles between the benzene rings [19.99 (17) and 9.72 (17)°]. The mol-ecules both have a trans conformation about the C=N double bond and intra-molecular C-H⋯S and N-H⋯N hydrogen bonds are observed in both mol-ecules. In the crystal, mol-ecules are linked by weak N-H⋯S hydrogen bonds with graph-set motif R 2 (2)(8). In each mol-ecule, all but one of the N atoms and both the S atoms are involved in hydrogen bonding.

Tetra-aqua-tetra-kis{µ(3)-3,3'-[(E,E)-ethane-1,2-diylbis(nitrilo-methyl-idyne)]benzene-1,2-diolato}octa-zinc(II) N,N-dimethyl-formamide hexa-solvate.

The asymmetric unit of the title compound [Zn(8)(C(16)H(12)N(2)O(4))(4)(H(2)O)(4)]·6C(3)H(7)NO, consists of eight Zn(II) cations, four tetra-valent anionic ligands, L(4-) (L(4-) = 3,3'-(1E,1'E)-(ethane-1,2-diylbis(azan-1-yl-1-yl-idene))bis-(methan-1-yl-1-yl-idene)dibenzene-1,2-bis-(olate), four coordinated water mol-ecules and six N,N-dimethyl-formamide solvate mol-ecules. The coordination complex comprises an octa-nuclear Zn(II) unit with its Zn(II) centers coordinated in two discrete distorted square-pyramidal geometries. Four Zn(II) atoms each coordinate to two nitro-gen atoms and two phenolate oxygen atoms from an individual L(4-) ligand and one coordinated water mol-ecule. The other four Zn(II) atoms each bind to five phenolate oxygen atoms from three different L(4-) ligands. In the crystal structure, the Zn(II) complex unit, coordinated water mol-ecules and dimethyl-formamide solvate mol-ecules are linked via O-H⋯O and C-H⋯O hydrogen bonds. Mol-ecules are connected by additional inter-molecular O-H⋯O and C-H⋯O hydrogen bonds, forming an extensive three dimensional framework.