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The title compound, [Co(H2O)6](C7H8NO3S)2, has a structure built of segregated layers of hexaaquacobalt(II) cations and 2-aminotoluene-4-sulfonate anions. The Co atom is in a fairly regular octahedral coordination environment of water molecules [Co—O range 2.046 (3)–2.111 (3) Å]. The anions are arranged with the sulfonate groups directed to opposite faces of the layer in an alternating fashion. The layers are held together by a series of O—H...O hydrogen bonds between the water molecules and sulfonate O atoms [H...O range 1.89 (4)–2.10 (4) Å]. The Mn and Zn salts are isostructural. These features are similar to those of other divalent metal organosulfonate salts.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablock I

hkl

Structure factor file (CIF format)
Supplementary material

CCDC references: 1269373; 1269374

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