Synthesis, Characterization, and Antimicrobial Activities of Coordination Compounds of Aspartic Acid

Table 1

Some physicochemical properties of the compounds.

Compound	Empirical formulae	Colour	m.p./d.t. (°C)	Yield (%)
Co(d-asp)2	Co(C4H8O4N)	Lilac	217	74.20
Cu(d-asp)2	Cu(C4H8O4N)	Blue	205	57.21
Mn(d-asp)2	Mn(C4H8O4N)	White	304()	81.84
Ni(d-asp)2	Ni(C4H8O4N)	Green	197()	66.00
Cd(d-asp)2	Cd(C4H8O4N)	White	204()	62.40
Na2[Co(d-asp)2]	Na[Co(C4H8O4N)]	Purple	>320	62.60
Na2[Cu(d-asp)2]	Na[Cu(C4H8O4N)]	Blue	215()	84.20
Na2[Mn(d-asp)2]	Na[Mn(C4H8O4N)]	White	301–303()	68.50
Na2[Ni(d-asp)2]	Na[Ni(C4H8O4N)]	Green	294()	62.70
Na2[Cd(d-asp)2]	Na[Cd(C4H8O4N)]	White	287()	69.60

(): decomposition temperature.