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BaCd2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Ba is bonded in a 12-coordinate geometry to twelve equivalent Cd atoms. There are a spread of Ba–Cd bond distances ranging from 3.62–3.89 Å. Cd is bonded in a 10-coordinate geometry to six equivalent Ba and four equivalent Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.06–3.20 Å.
BaCd11 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Ba is bonded in a 8-coordinate geometry to eighteen Cd atoms. There are a spread of Ba–Cd bond distances ranging from 3.76–3.95 Å. There are three inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to ten Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.01–3.22 Å. In the second Cd site, Cd is bonded in a 12-coordinate geometry to two equivalent Ba and ten Cd atoms. There are a spread of Cd–Cd bond distances ranging from 2.96–3.46 Å. In the third Cd site, Cd is bonded in a 2-coordinate geometry to two equivalent Ba and twelve Cd atoms.
BaCd is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ba is bonded in a body-centered cubic geometry to eight equivalent Cd atoms. All Ba–Cd bond lengths are 3.71 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Ba atoms.
CdBa2 crystallizes in the tetragonal I4/mmm space group. The structure is two-dimensional and consists of two CdBa2 sheets oriented in the (0, 0, 1) direction. Ba is bonded in a 4-coordinate geometry to four equivalent Cd atoms. All Ba–Cd bond lengths are 3.67 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Ba atoms.
BaCd3 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ba is bonded to twelve Cd atoms to form a mixture of distorted corner and face-sharing BaCd12 cuboctahedra. There are a spread of Ba–Cd bond distances ranging from 3.63–3.81 Å. There are three inequivalent Cd sites. In the first Cd site, Cd is bonded in a 10-coordinate geometry to four equivalent Ba and six Cd atoms. There are a spread of Cd–Cd bond distances ranging from 3.14–3.23 Å. In the second Cd site, Cd is bonded in a 10-coordinate geometry to four equivalent Ba and six Cd atoms. There are one shorter (3.12 Å) and two longer (3.23 Å) Cd–Cd bond lengths. In the third Cd site, Cd is bonded in a 10-coordinate geometry to four equivalent Ba and six Cd atoms.