I have been trying to crystallize my metal complex with slow diffusion of diethyl ether in acetonitrile and methanol. However I am getting flaky solids, instead of crystals. Could you share any tricks?
For getting Crystalline solids after crystallization use Dimethyl formamide as a solvent.
It is partially soluble in DMF. So my solution becomes very dilute when I use DMF.
My compounds mostly crystallizes in a mixed solvent system of solvents in which my compound is partially and completely soluble. first i make a suspension of compound to be crystallized in a sparangly soluble solvent to which i add next solvent (in which compound is completely soluble) till the suspension becomes clear solution then allow slow room temperature evaporation for few days/ week and get the first crystal. crystals aggregrate to make a flake or lumph on aging so keep a check.
up vote if problem solved.
use craig tube for this and very slow evaporation to get good quality crystals
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