The Cu K-edge EXAFS spectrum of 2-(DPA)CuBr2, shown in Fig. , was best fit with two pyridyl N atoms at 2.01(1) Å, one alkyl N atom at 2.14(1) Å, one Br atom at 2.40(1) Å, and a second Br atom at 2.79(1) Å (Table ). This is consistent with previously reported bis(2-pyridylmethyl)amine-ligated Cu(II) molecular complexes, which often adopt distorted square pyramidal geometries featuring one shorter basal Cu-Br bond for tabulation of reference compounds). The bond lengths observed by EXAFS are also consistent with DFT-optimized structural models (Fig. and Table ).