Sr3(Cd2Ga)2 crystallizes in the monoclinic Cm space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to one Cd(2), three equivalent Cd(5), three equivalent Cd(8), one Ga(1), two equivalent Ga(3), and two equivalent Ga(4) atoms. In the second Sr site, Sr(2) is bonded in a 12-coordinate geometry to two equivalent Cd(1), three equivalent Cd(3), three equivalent Cd(6), one Ga(2), one Ga(4), and two equivalent Ga(1) atoms. In the third Sr site, Sr(3) is bonded in a 12-coordinate geometry to one Cd(1), two equivalent Cd(2), three equivalent Cd(4), three equivalent Cd(7), one Ga(3), and two equivalent Ga(2) atoms. In the fourth Sr site, Sr(4) is bonded in a 12-coordinate geometry to one Cd(4), one Cd(8), two equivalent Cd(5), two equivalent Cd(7), three equivalent Cd(2), and three equivalent Ga(3) atoms. In the fifth Sr site, Sr(5) is bonded in a 12-coordinate geometry to one Cd(5), one Cd(6), two equivalent Cd(3), two equivalent Cd(8), three equivalent Ga(1), and three equivalent Ga(4) atoms. In the sixth Sr site, Sr(6) is bonded in a 12-coordinate geometry to one Cd(3), one Cd(7), two equivalent Cd(4), two equivalent Cd(6), three equivalent Cd(1), and three equivalent Ga(2) atoms. There are eight inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 10-coordinate geometry to one Sr(3), two equivalent Sr(2), three equivalent Sr(6), one Cd(3), one Cd(6), and two equivalent Ga(2) atoms. In the second Cd site, Cd(2) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(3), three equivalent Sr(4), one Cd(4), one Cd(7), and two equivalent Ga(3) atoms. In the third Cd site, Cd(3) is bonded in a 10-coordinate geometry to one Sr(6), two equivalent Sr(5), three equivalent Sr(2), one Cd(1), two equivalent Cd(6), and one Ga(1) atom. In the fourth Cd site, Cd(4) is bonded in a 10-coordinate geometry to one Sr(4), two equivalent Sr(6), three equivalent Sr(3), one Cd(2), two equivalent Cd(7), and one Ga(2) atom. In the fifth Cd site, Cd(5) is bonded in a 10-coordinate geometry to one Sr(5), two equivalent Sr(4), three equivalent Sr(1), two equivalent Cd(8), one Ga(3), and one Ga(4) atom. In the sixth Cd site, Cd(6) is bonded in a 10-coordinate geometry to one Sr(5), two equivalent Sr(6), three equivalent Sr(2), one Cd(1), two equivalent Cd(3), and one Ga(2) atom. In the seventh Cd site, Cd(7) is bonded in a 10-coordinate geometry to one Sr(6), two equivalent Sr(4), three equivalent Sr(3), one Cd(2), two equivalent Cd(4), and one Ga(3) atom. In the eighth Cd site, Cd(8) is bonded in a 10-coordinate geometry to one Sr(4), two equivalent Sr(5), three equivalent Sr(1), two equivalent Cd(5), one Ga(1), and one Ga(4) atom. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(2), three equivalent Sr(5), one Cd(3), one Cd(8), and two equivalent Ga(4) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(3), three equivalent Sr(6), one Cd(4), one Cd(6), and two equivalent Cd(1) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Sr(3), two equivalent Sr(1), three equivalent Sr(4), one Cd(5), one Cd(7), and two equivalent Cd(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(1), three equivalent Sr(5), one Cd(5), one Cd(8), and two equivalent Ga(1) atoms.
Sr3(Cd2Ga)2 crystallizes in the monoclinic Cm space group. There are six inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 12-coordinate geometry to one Cd(2), three equivalent Cd(5), three equivalent Cd(8), one Ga(1), two equivalent Ga(3), and two equivalent Ga(4) atoms. The Sr(1)-Cd(2) bond length is 3.48 Å. There are two shorter (3.39 Å) and one longer (3.51 Å) Sr(1)-Cd(5) bond length. There is one shorter (3.59 Å) and two longer (3.62 Å) Sr(1)-Cd(8) bond lengths. The Sr(1)-Ga(1) bond length is 3.50 Å. Both Sr(1)-Ga(3) bond lengths are 3.67 Å. Both Sr(1)-Ga(4) bond lengths are 3.44 Å. In the second Sr site, Sr(2) is bonded in a 12-coordinate geometry to two equivalent Cd(1), three equivalent Cd(3), three equivalent Cd(6), one Ga(2), one Ga(4), and two equivalent Ga(1) atoms. Both Sr(2)-Cd(1) bond lengths are 3.50 Å. There are two shorter (3.42 Å) and one longer (3.47 Å) Sr(2)-Cd(3) bond length. There is one shorter (3.57 Å) and two longer (3.67 Å) Sr(2)-Cd(6) bond lengths. The Sr(2)-Ga(2) bond length is 3.63 Å. The Sr(2)-Ga(4) bond length is 3.42 Å. Both Sr(2)-Ga(1) bond lengths are 3.64 Å. In the third Sr site, Sr(3) is bonded in a 12-coordinate geometry to one Cd(1), two equivalent Cd(2), three equivalent Cd(4), three equivalent Cd(7), one Ga(3), and two equivalent Ga(2) atoms. The Sr(3)-Cd(1) bond length is 3.45 Å. Both Sr(3)-Cd(2) bond lengths are 3.49 Å. There are two shorter (3.41 Å) and one longer (3.48 Å) Sr(3)-Cd(4) bond length. There is one shorter (3.54 Å) and two longer (3.67 Å) Sr(3)-Cd(7) bond lengths. The Sr(3)-Ga(3) bond length is 3.61 Å. Both Sr(3)-Ga(2) bond lengths are 3.65 Å. In the fourth Sr site, Sr(4) is bonded in a 12-coordinate geometry to one Cd(4), one Cd(8), two equivalent Cd(5), two equivalent Cd(7), three equivalent Cd(2), and three equivalent Ga(3) atoms. The Sr(4)-Cd(4) bond length is 3.70 Å. The Sr(4)-Cd(8) bond length is 3.54 Å. Both Sr(4)-Cd(5) bond lengths are 3.62 Å. Both Sr(4)-Cd(7) bond lengths are 3.42 Å. There is one shorter (3.52 Å) and two longer (3.64 Å) Sr(4)-Cd(2) bond lengths. There are two shorter (3.42 Å) and one longer (3.47 Å) Sr(4)-Ga(3) bond length. In the fifth Sr site, Sr(5) is bonded in a 12-coordinate geometry to one Cd(5), one Cd(6), two equivalent Cd(3), two equivalent Cd(8), three equivalent Ga(1), and three equivalent Ga(4) atoms. The Sr(5)-Cd(5) bond length is 3.62 Å. The Sr(5)-Cd(6) bond length is 3.55 Å. Both Sr(5)-Cd(3) bond lengths are 3.59 Å. Both Sr(5)-Cd(8) bond lengths are 3.39 Å. There is one shorter (3.43 Å) and two longer (3.45 Å) Sr(5)-Ga(1) bond lengths. There is one shorter (3.48 Å) and two longer (3.66 Å) Sr(5)-Ga(4) bond lengths. In the sixth Sr site, Sr(6) is bonded in a 12-coordinate geometry to one Cd(3), one Cd(7), two equivalent Cd(4), two equivalent Cd(6), three equivalent Cd(1), and three equivalent Ga(2) atoms. The Sr(6)-Cd(3) bond length is 3.69 Å. The Sr(6)-Cd(7) bond length is 3.55 Å. Both Sr(6)-Cd(4) bond lengths are 3.59 Å. Both Sr(6)-Cd(6) bond lengths are 3.41 Å. There is one shorter (3.52 Å) and two longer (3.63 Å) Sr(6)-Cd(1) bond lengths. There are two shorter (3.42 Å) and one longer (3.47 Å) Sr(6)-Ga(2) bond length. There are eight inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 10-coordinate geometry to one Sr(3), two equivalent Sr(2), three equivalent Sr(6), one Cd(3), one Cd(6), and two equivalent Ga(2) atoms. The Cd(1)-Cd(3) bond length is 3.22 Å. The Cd(1)-Cd(6) bond length is 3.00 Å. Both Cd(1)-Ga(2) bond lengths are 2.85 Å. In the second Cd site, Cd(2) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(3), three equivalent Sr(4), one Cd(4), one Cd(7), and two equivalent Ga(3) atoms. The Cd(2)-Cd(4) bond length is 3.23 Å. The Cd(2)-Cd(7) bond length is 3.01 Å. Both Cd(2)-Ga(3) bond lengths are 2.84 Å. In the third Cd site, Cd(3) is bonded in a 10-coordinate geometry to one Sr(6), two equivalent Sr(5), three equivalent Sr(2), one Cd(1), two equivalent Cd(6), and one Ga(1) atom. Both Cd(3)-Cd(6) bond lengths are 2.91 Å. The Cd(3)-Ga(1) bond length is 2.90 Å. In the fourth Cd site, Cd(4) is bonded in a 10-coordinate geometry to one Sr(4), two equivalent Sr(6), three equivalent Sr(3), one Cd(2), two equivalent Cd(7), and one Ga(2) atom. Both Cd(4)-Cd(7) bond lengths are 2.91 Å. The Cd(4)-Ga(2) bond length is 2.85 Å. In the fifth Cd site, Cd(5) is bonded in a 10-coordinate geometry to one Sr(5), two equivalent Sr(4), three equivalent Sr(1), two equivalent Cd(8), one Ga(3), and one Ga(4) atom. Both Cd(5)-Cd(8) bond lengths are 2.93 Å. The Cd(5)-Ga(3) bond length is 2.89 Å. The Cd(5)-Ga(4) bond length is 3.13 Å. In the sixth Cd site, Cd(6) is bonded in a 10-coordinate geometry to one Sr(5), two equivalent Sr(6), three equivalent Sr(2), one Cd(1), two equivalent Cd(3), and one Ga(2) atom. The Cd(6)-Ga(2) bond length is 3.08 Å. In the seventh Cd site, Cd(7) is bonded in a 10-coordinate geometry to one Sr(6), two equivalent Sr(4), three equivalent Sr(3), one Cd(2), two equivalent Cd(4), and one Ga(3) atom. The Cd(7)-Ga(3) bond length is 3.08 Å. In the eighth Cd site, Cd(8) is bonded in a 10-coordinate geometry to one Sr(4), two equivalent Sr(5), three equivalent Sr(1), two equivalent Cd(5), one Ga(1), and one Ga(4) atom. The Cd(8)-Ga(1) bond length is 3.13 Å. The Cd(8)-Ga(4) bond length is 2.96 Å. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to one Sr(1), two equivalent Sr(2), three equivalent Sr(5), one Cd(3), one Cd(8), and two equivalent Ga(4) atoms. Both Ga(1)-Ga(4) bond lengths are 2.81 Å. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(3), three equivalent Sr(6), one Cd(4), one Cd(6), and two equivalent Cd(1) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to one Sr(3), two equivalent Sr(1), three equivalent Sr(4), one Cd(5), one Cd(7), and two equivalent Cd(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Sr(2), two equivalent Sr(1), three equivalent Sr(5), one Cd(5), one Cd(8), and two equivalent Ga(1) atoms.