Sr3CaAg4 crystallizes in the monoclinic Pm space group. There are nine inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one Ag(4), two equivalent Ag(10), two equivalent Ag(12), and two equivalent Ag(5) atoms. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one Ag(5), two equivalent Ag(1), two equivalent Ag(4), and two equivalent Ag(8) atoms. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one Ag(6), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(7) atoms. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one Ag(7), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(6) atoms. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one Ag(8), two equivalent Ag(1), two equivalent Ag(4), and two equivalent Ag(5) atoms. In the sixth Sr site, Sr(6) is bonded in a 7-coordinate geometry to one Ag(10), two equivalent Ag(12), two equivalent Ag(4), and two equivalent Ag(5) atoms. In the seventh Sr site, Sr(7) is bonded in a 7-coordinate geometry to two equivalent Ag(3); two equivalent Ag(6); and three equivalent Ag(9,11) atoms. In the eighth Sr site, Sr(8) is bonded in a 7-coordinate geometry to one Ag(12), two equivalent Ag(10), two equivalent Ag(2), and two equivalent Ag(7) atoms. In the ninth Sr site, Sr(9) is bonded in a 7-coordinate geometry to two equivalent Ag(1); two equivalent Ag(8); and three equivalent Ag(9,11) atoms. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one Ag(1); two equivalent Ag(8); and four equivalent Ag(9,11) atoms. In the second Ca site, Ca(2) is bonded in a 7-coordinate geometry to one Ag(2), two equivalent Ag(10), two equivalent Ag(12), and two equivalent Ag(7) atoms. In the third Ca site, Ca(3) is bonded in a 7-coordinate geometry to one Ag(3); two equivalent Ag(6); and four equivalent Ag(9,11) atoms. There are eleven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 9-coordinate geometry to two equivalent Sr(2), two equivalent Sr(5), two equivalent Sr(9), one Ca(1), and two equivalent Ag(8) atoms. In the second Ag site, Ag(2) is bonded in a 9-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), two equivalent Sr(8), one Ca(2), and two equivalent Ag(7) atoms. In the third Ag site, Ag(3) is bonded in a 9-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), two equivalent Sr(7), one Ca(3), and two equivalent Ag(6) atoms. In the fourth Ag site, Ag(4) is bonded in a 9-coordinate geometry to one Sr(1), two equivalent Sr(2), two equivalent Sr(5), two equivalent Sr(6), and two equivalent Ag(5) atoms. In the fifth Ag site, Ag(5) is bonded in a 9-coordinate geometry to one Sr(2), two equivalent Sr(1), two equivalent Sr(5), two equivalent Sr(6), and two equivalent Ag(4) atoms. In the sixth Ag site, Ag(6) is bonded in a 9-coordinate geometry to one Sr(3), two equivalent Sr(4), two equivalent Sr(7), two equivalent Ca(3), and two equivalent Ag(3) atoms. In the seventh Ag site, Ag(7) is bonded in a 9-coordinate geometry to one Sr(4), two equivalent Sr(3), two equivalent Sr(8), two equivalent Ca(2), and two equivalent Ag(2) atoms. In the eighth Ag site, Ag(8) is bonded in a 9-coordinate geometry to one Sr(5), two equivalent Sr(2), two equivalent Sr(9), two equivalent Ca(1), and two equivalent Ag(1) atoms. In the ninth Ag site, Ag(9,11) is bonded in a 9-coordinate geometry to one Sr(7); two equivalent Sr(9); two equivalent Ca(1); two equivalent Ca(3); and two equivalent Ag(9,11) atoms. In the tenth Ag site, Ag(10) is bonded in a 9-coordinate geometry to one Sr(6), two equivalent Sr(1), two equivalent Sr(8), two equivalent Ca(2), and two equivalent Ag(12) atoms. In the eleventh Ag site, Ag(12) is bonded in a 9-coordinate geometry to one Sr(8), two equivalent Sr(1), two equivalent Sr(6), two equivalent Ca(2), and two equivalent Ag(10) atoms.
Sr3CaAg4 crystallizes in the monoclinic Pm space group. There are nine inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one Ag(4), two equivalent Ag(10), two equivalent Ag(12), and two equivalent Ag(5) atoms. The Sr(1)-Ag(4) bond length is 3.32 Å. Both Sr(1)-Ag(10) bond lengths are 3.36 Å. Both Sr(1)-Ag(12) bond lengths are 3.36 Å. Both Sr(1)-Ag(5) bond lengths are 3.40 Å. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one Ag(5), two equivalent Ag(1), two equivalent Ag(4), and two equivalent Ag(8) atoms. The Sr(2)-Ag(5) bond length is 3.32 Å. There is one shorter (3.28 Å) and one longer (3.44 Å) Sr(2)-Ag(1) bond length. Both Sr(2)-Ag(4) bond lengths are 3.39 Å. Both Sr(2)-Ag(8) bond lengths are 3.40 Å. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one Ag(6), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(7) atoms. The Sr(3)-Ag(6) bond length is 3.37 Å. There is one shorter (3.29 Å) and one longer (3.44 Å) Sr(3)-Ag(2) bond length. Both Sr(3)-Ag(3) bond lengths are 3.41 Å. Both Sr(3)-Ag(7) bond lengths are 3.41 Å. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one Ag(7), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(6) atoms. The Sr(4)-Ag(7) bond length is 3.37 Å. Both Sr(4)-Ag(2) bond lengths are 3.41 Å. There is one shorter (3.30 Å) and one longer (3.44 Å) Sr(4)-Ag(3) bond length. Both Sr(4)-Ag(6) bond lengths are 3.41 Å. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one Ag(8), two equivalent Ag(1), two equivalent Ag(4), and two equivalent Ag(5) atoms. The Sr(5)-Ag(8) bond length is 3.35 Å. Both Sr(5)-Ag(1) bond lengths are 3.39 Å. There is one shorter (3.31 Å) and one longer (3.41 Å) Sr(5)-Ag(4) bond length. Both Sr(5)-Ag(5) bond lengths are 3.38 Å. In the sixth Sr site, Sr(6) is bonded in a 7-coordinate geometry to one Ag(10), two equivalent Ag(12), two equivalent Ag(4), and two equivalent Ag(5) atoms. The Sr(6)-Ag(10) bond length is 3.29 Å. Both Sr(6)-Ag(12) bond lengths are 3.38 Å. Both Sr(6)-Ag(4) bond lengths are 3.39 Å. There is one shorter (3.31 Å) and one longer (3.43 Å) Sr(6)-Ag(5) bond length. In the seventh Sr site, Sr(7) is bonded in a 7-coordinate geometry to two equivalent Ag(3); two equivalent Ag(6); and three equivalent Ag(9,11) atoms. Both Sr(7)-Ag(3) bond lengths are 3.39 Å. There is one shorter (3.30 Å) and one longer (3.39 Å) Sr(7)-Ag(6) bond length. There is one shorter (3.24 Å) and two longer (3.34 Å) Sr(7)-Ag(9,11) bond lengths. In the eighth Sr site, Sr(8) is bonded in a 7-coordinate geometry to one Ag(12), two equivalent Ag(10), two equivalent Ag(2), and two equivalent Ag(7) atoms. The Sr(8)-Ag(12) bond length is 3.24 Å. Both Sr(8)-Ag(10) bond lengths are 3.31 Å. Both Sr(8)-Ag(2) bond lengths are 3.38 Å. There is one shorter (3.29 Å) and one longer (3.38 Å) Sr(8)-Ag(7) bond length. In the ninth Sr site, Sr(9) is bonded in a 7-coordinate geometry to two equivalent Ag(1); two equivalent Ag(8); and three equivalent Ag(9,11) atoms. Both Sr(9)-Ag(1) bond lengths are 3.39 Å. There is one shorter (3.31 Å) and one longer (3.38 Å) Sr(9)-Ag(8) bond length. There is one shorter (3.24 Å) and two longer (3.34 Å) Sr(9)-Ag(9,11) bond lengths. There are three inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 7-coordinate geometry to one Ag(1); two equivalent Ag(8); and four equivalent Ag(9,11) atoms. The Ca(1)-Ag(1) bond length is 3.22 Å. Both Ca(1)-Ag(8) bond lengths are 3.33 Å. There are a spread of Ca(1)-Ag(9,11) bond distances ranging from 3.29-3.39 Å. In the second Ca site, Ca(2) is bonded in a 7-coordinate geometry to one Ag(2), two equivalent Ag(10), two equivalent Ag(12), and two equivalent Ag(7) atoms. The Ca(2)-Ag(2) bond length is 3.18 Å. There is one shorter (3.24 Å) and one longer (3.44 Å) Ca(2)-Ag(10) bond length. Both Ca(2)-Ag(12) bond lengths are 3.29 Å. Both Ca(2)-Ag(7) bond lengths are 3.30 Å. In the third Ca site, Ca(3) is bonded in a 7-coordinate geometry to one Ag(3); two equivalent Ag(6); and four equivalent Ag(9,11) atoms. The Ca(3)-Ag(3) bond length is 3.22 Å. Both Ca(3)-Ag(6) bond lengths are 3.33 Å. There are a spread of Ca(3)-Ag(9,11) bond distances ranging from 3.29-3.39 Å. There are eleven inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 9-coordinate geometry to two equivalent Sr(2), two equivalent Sr(5), two equivalent Sr(9), one Ca(1), and two equivalent Ag(8) atoms. Both Ag(1)-Ag(8) bond lengths are 2.96 Å. In the second Ag site, Ag(2) is bonded in a 9-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), two equivalent Sr(8), one Ca(2), and two equivalent Ag(7) atoms. Both Ag(2)-Ag(7) bond lengths are 2.96 Å. In the third Ag site, Ag(3) is bonded in a 9-coordinate geometry to two equivalent Sr(3), two equivalent Sr(4), two equivalent Sr(7), one Ca(3), and two equivalent Ag(6) atoms. Both Ag(3)-Ag(6) bond lengths are 2.96 Å. In the fourth Ag site, Ag(4) is bonded in a 9-coordinate geometry to one Sr(1), two equivalent Sr(2), two equivalent Sr(5), two equivalent Sr(6), and two equivalent Ag(5) atoms. Both Ag(4)-Ag(5) bond lengths are 2.97 Å. In the fifth Ag site, Ag(5) is bonded in a 9-coordinate geometry to one Sr(2), two equivalent Sr(1), two equivalent Sr(5), two equivalent Sr(6), and two equivalent Ag(4) atoms. In the sixth Ag site, Ag(6) is bonded in a 9-coordinate geometry to one Sr(3), two equivalent Sr(4), two equivalent Sr(7), two equivalent Ca(3), and two equivalent Ag(3) atoms. In the seventh Ag site, Ag(7) is bonded in a 9-coordinate geometry to one Sr(4), two equivalent Sr(3), two equivalent Sr(8), two equivalent Ca(2), and two equivalent Ag(2) atoms. In the eighth Ag site, Ag(8) is bonded in a 9-coordinate geometry to one Sr(5), two equivalent Sr(2), two equivalent Sr(9), two equivalent Ca(1), and two equivalent Ag(1) atoms. In the ninth Ag site, Ag(9,11) is bonded in a 9-coordinate geometry to one Sr(7); two equivalent Sr(9); two equivalent Ca(1); two equivalent Ca(3); and two equivalent Ag(9,11) atoms. Both Ag(9,11)-Ag(9,11) bond lengths are 3.03 Å. In the tenth Ag site, Ag(10) is bonded in a 9-coordinate geometry to one Sr(6), two equivalent Sr(1), two equivalent Sr(8), two equivalent Ca(2), and two equivalent Ag(12) atoms. Both Ag(10)-Ag(12) bond lengths are 3.00 Å. In the eleventh Ag site, Ag(12) is bonded in a 9-coordinate geometry to one Sr(8), two equivalent Sr(1), two equivalent Sr(6), two equivalent Ca(2), and two equivalent Ag(10) atoms.