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Tetraaquabis l,2-benzisothiazol-3 2H -one 1,1-dioxidato chromium II Dihydrate

To 60 mL of a stock Cr(II) solution cooled to 0°C is added a solution of sodium saccharinate at 12°C. The latter is prepared by adding 36 mL of water to 24.2 g of sodium saccharinate hydrate and then adding 70mL of absolute ethanol. [Pg.309]

The yellowish-green solution is allowed to stand at — 20°C for 2 days. The green crystals that form are filtered and washed with two portions of 15 mL of cold water. The filtrate is almost colorless. The crystals are dried at room temperature under vacuum for 3 h. Yield 6.45 g. [Pg.309]

Tetraaquabis(l,2-benzisothiazol-3(2H)-one 1, l-dioxidato)chromium(II) dihydrate is a quite air-stable compound. Its crystals remain unaltered for days [Pg.309]

Single crystal X-ray analysis shows that the compound is isomorphous with its vanadium analog, as well as the other divalent transition metal saccharinates. It crystallizes in the monoclinic space group P2i/c with a = 8.042(4)A, = 16.032(8) A, c = 7.804(4)A, = 100.90(4), F = 9881(8)A  [Pg.310]

The solid state IR spectrum is almost identical to its vanadium analog. [Pg.310]

Licentiate Thesis, University of Costa Rica, 1986. [Pg.310]

The IR spectrum is similar to that given by the other first-row transition metal M(ll) saccharinates, as reported in S. Z. Haider, K. M. A. Malik, and K. J. Ahmed, Inorg. Synik, 23, 47 (1985). [Pg.310]


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Benzisothiazole

Chromium dihydrate

Dihydrate)

Dihydrates

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