A citrate is a derivative of citric acid; that is, the salts, esters, and the polyatomic anion found in solution. An example of the former, a salt is trisodium citrate; an ester is triethyl citrate.

Bi(cit)-based complexes form polymeric porous frameworks with bismuth citrate dimeric units ([Bi(cit)2Bi]2-) forming the skeleton. Since citrate anions in the frameworks are present in the fully ...