On the Structures of Three Different Forms of Solid Cadmium Oxydiacetate Hydrate.

The structure of cadmium oxydiacetate–water (2:7)

“…The preparation of the colourless crystals, prismatic b, has been described (Boman, 1974). Elemental analyses and complexometric titration of Cd gave values in good agreement with those calculated from the formula.…”

“…Crystal data Preliminary data were reported for three different phases of Cd oxydiacetate by Boman (1974). One of them, the orthorhombic trihydrate denoted CDOXY III, has been described in detail (Boman, 1977).…”

The structures and solid-state and solution 113Cd NMR of diaquabis(p-chlorobenzoato)cadmium(II), [Cd(C7H4ClO2)2(H2O)2] (A), diaquabis(p-nitrobenzoato)cadmium(II), [Cd(C7H4NO4)2(H2O)2] (B), and aquabis(p-chlorobenzoato)bis(pyridine)cadmium(II), [Cd(C7H4ClO2)2(C5H5N)2(H2O)] (C)

“…In all three of these structures, as well as other Cd 2+ structures previously reported by us (Charles et al, 1983;Griffith et al, 1982;Turner, Charles & Amma, 1982) and others (Mostad & Rosenqvish, 1971;Flook, Freeman, Moore & Scudder, 1973;Boman, 1974;Harrison & Trotter, 1972), it is interesting to note that the carboxylate ligands tend to form the four-membered chelate rings with Cd, in contrast to the behavior of transition-metal carboxylates.…”

The structure of monoclinic cadmium oxydiacetate trihydrate

“…The colourless crystals were prepared as described earlier (Boman, 1974). Elemental analyses and complexometric titration of Cd gave values in good agreement with the composition given by the formula.…”

“…In this paper the structure of CDOXY II, one of the three Cd oxydiacetate hydrates reported by Boman (1974), is described in detail. Descriptions of the other two, CDOXY lII and CDOXY I, have already been given (Boman, 1977a,b).…”