BaCaGaF7 crystallizes in the monoclinic P2/c space group. Ba(1) is bonded in a 11-coordinate geometry to one F(2), one F(6), one F(7), two equivalent F(4), three equivalent F(1), and three equivalent F(3) atoms. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(5), two equivalent F(6), and two equivalent F(7) atoms. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(5), two equivalent F(6), and two equivalent F(7) atoms. Ga(1) is bonded in an octahedral geometry to one F(1), one F(2), one F(3), one F(4), one F(5), and one F(6) atom. There are seven inequivalent F sites. In the first F site, F(6) is bonded in a 3-coordinate geometry to one Ba(1), one Ca(1), one Ca(2), and one Ga(1) atom. In the second F site, F(7) is bonded in a trigonal planar geometry to one Ba(1), one Ca(1), and one Ca(2) atom. In the third F site, F(1) is bonded in a distorted single-bond geometry to three equivalent Ba(1) and one Ga(1) atom. In the fourth F site, F(2) is bonded to one Ba(1), one Ca(1), one Ca(2), and one Ga(1) atom to form distorted corner-sharing FBaCa2Ga tetrahedra. In the fifth F site, F(3) is bonded in a distorted single-bond geometry to three equivalent Ba(1) and one Ga(1) atom. In the sixth F site, F(4) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one Ga(1) atom. In the seventh F site, F(5) is bonded in a 3-coordinate geometry to one Ca(1), one Ca(2), and one Ga(1) atom.
BaCaGaF7 crystallizes in the monoclinic P2/c space group. Ba(1) is bonded in a 11-coordinate geometry to one F(2), one F(6), one F(7), two equivalent F(4), three equivalent F(1), and three equivalent F(3) atoms. The Ba(1)-F(2) bond length is 2.89 Å. The Ba(1)-F(6) bond length is 3.17 Å. The Ba(1)-F(7) bond length is 2.63 Å. There is one shorter (2.68 Å) and one longer (2.85 Å) Ba(1)-F(4) bond length. There are a spread of Ba(1)-F(1) bond distances ranging from 2.78-3.10 Å. There are a spread of Ba(1)-F(3) bond distances ranging from 2.82-3.10 Å. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(5), two equivalent F(6), and two equivalent F(7) atoms. Both Ca(1)-F(2) bond lengths are 2.48 Å. Both Ca(1)-F(5) bond lengths are 2.42 Å. Both Ca(1)-F(6) bond lengths are 2.44 Å. Both Ca(1)-F(7) bond lengths are 2.26 Å. In the second Ca site, Ca(2) is bonded in a 8-coordinate geometry to two equivalent F(2), two equivalent F(5), two equivalent F(6), and two equivalent F(7) atoms. Both Ca(2)-F(2) bond lengths are 2.47 Å. Both Ca(2)-F(5) bond lengths are 2.47 Å. Both Ca(2)-F(6) bond lengths are 2.42 Å. Both Ca(2)-F(7) bond lengths are 2.26 Å. Ga(1) is bonded in an octahedral geometry to one F(1), one F(2), one F(3), one F(4), one F(5), and one F(6) atom. The Ga(1)-F(1) bond length is 1.92 Å. The Ga(1)-F(2) bond length is 1.98 Å. The Ga(1)-F(3) bond length is 1.93 Å. The Ga(1)-F(4) bond length is 1.87 Å. The Ga(1)-F(5) bond length is 1.92 Å. The Ga(1)-F(6) bond length is 1.93 Å. There are seven inequivalent F sites. In the first F site, F(6) is bonded in a 3-coordinate geometry to one Ba(1), one Ca(1), one Ca(2), and one Ga(1) atom. In the second F site, F(7) is bonded in a trigonal planar geometry to one Ba(1), one Ca(1), and one Ca(2) atom. In the third F site, F(1) is bonded in a distorted single-bond geometry to three equivalent Ba(1) and one Ga(1) atom. In the fourth F site, F(2) is bonded to one Ba(1), one Ca(1), one Ca(2), and one Ga(1) atom to form distorted corner-sharing FBaCa2Ga tetrahedra. In the fifth F site, F(3) is bonded in a distorted single-bond geometry to three equivalent Ba(1) and one Ga(1) atom. In the sixth F site, F(4) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one Ga(1) atom. In the seventh F site, F(5) is bonded in a 3-coordinate geometry to one Ca(1), one Ca(2), and one Ga(1) atom.