Isolation of a new anion, [CdBr4(C7H5O2)]3 −: Synthesis, single crystal X-ray structure determination and DFT calculations of [Co(en)3][CdBr4(C7H5O2)]·H2O

► Synthesis of new anion [CdBr4(C7H5O2)]3 −, where C7H5O2 = benzoate, has been presented. ► Synthesis and crystal structure of [Co(en)3][CdBr4(C7H5O2)]·H2O has been described. ► Presents first example where Cd(II) centre containing both benzoate and bromide ligands exists as discrete unit.