The structure described by Ba6MgSc2C2(O3F7)2 crystallizes in the monoclinic Pm space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 5-coordinate geometry to one O(1), two equivalent F(4), two equivalent F(5), and two equivalent F(8) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(2), one O(5), one F(3), two equivalent F(4), two equivalent F(6), and two equivalent F(7) atoms. In the third Ba site, Ba(3) is bonded in a 5-coordinate geometry to one O(1), two equivalent F(1), two equivalent F(6), and two equivalent F(7) atoms. In the fourth Ba site, Ba(4) is bonded in a 5-coordinate geometry to one F(3), two equivalent F(1), two equivalent F(4), two equivalent F(5), and two equivalent F(7) atoms. In the fifth Ba site, Ba(5) is bonded in a 11-coordinate geometry to one F(2), two equivalent F(1), two equivalent F(3), two equivalent F(4), two equivalent F(6), and two equivalent F(8) atoms. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to one O(5), one O(6), one F(3), two equivalent F(1), two equivalent F(5), and two equivalent F(8) atoms. Mg(1) is bonded in a distorted trigonal bipyramidal geometry to one O(5), two equivalent F(5), and two equivalent F(7) atoms. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one F(2), two equivalent F(5), and two equivalent F(7) atoms. In the second Sc site, Sc(2) is bonded in a distorted pentagonal bipyramidal geometry to one O(2), one O(6), one F(3), two equivalent F(6), and two equivalent F(8) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(2), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(3), and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(2), one Sc(2), and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sc(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Sc(1) and one C(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Ba(2), one Ba(6), one Mg(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ba(6), one Sc(2), and one C(2) atom. There are eight inequivalent F sites. In the first F site, F(1) is bonded to one Ba(3), one Ba(4), one Ba(5), and one Ba(6) atom to form FBa4 tetrahedra that share corners with two equivalent F(8)Ba3Sc tetrahedra, corners with two equivalent F(4)Ba4 tetrahedra, corners with four equivalent F(6)Ba3Sc tetrahedra,  an edgeedge with one F(8)Ba3Sc tetrahedra,  an edgeedge with one F(4)Ba4 tetrahedra, and edges with two equivalent F(1)Ba4 tetrahedra. In the second F site, F(2) is bonded in a single-bond geometry to one Ba(5) and one Sc(1) atom. In the third F site, F(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(4), one Ba(6), two equivalent Ba(5), and one Sc(2) atom. In the fourth F site, F(4) is bonded to one Ba(1), one Ba(2), one Ba(4), and one Ba(5) atom to form FBa4 tetrahedra that share corners with two equivalent F(6)Ba3Sc tetrahedra, corners with two equivalent F(1)Ba4 tetrahedra, corners with four equivalent F(8)Ba3Sc tetrahedra,  an edgeedge with one F(6)Ba3Sc tetrahedra,  an edgeedge with one F(1)Ba4 tetrahedra, and edges with two equivalent F(4)Ba4 tetrahedra. In the fifth F site, F(5) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(4), one Ba(6), one Mg(1), and one Sc(1) atom. In the sixth F site, F(6) is bonded to one Ba(2), one Ba(3), one Ba(5), and one Sc(2) atom to form distorted FBa3Sc tetrahedra that share corners with two equivalent F(8)Ba3Sc tetrahedra, corners with two equivalent F(4)Ba4 tetrahedra, corners with four equivalent F(1)Ba4 tetrahedra,  an edgeedge with one F(8)Ba3Sc tetrahedra,  an edgeedge with one F(4)Ba4 tetrahedra, and edges with two equivalent F(6)Ba3Sc tetrahedra. In the seventh F site, F(7) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Mg(1), and one Sc(1) atom. In the eighth F site, F(8) is bonded to one Ba(1), one Ba(5), one Ba(6), and one Sc(2) atom to form distorted FBa3Sc tetrahedra that share corners with two equivalent F(6)Ba3Sc tetrahedra, corners with two equivalent F(1)Ba4 tetrahedra, corners with four equivalent F(4)Ba4 tetrahedra,  an edgeedge with one F(6)Ba3Sc tetrahedra,  an edgeedge with one F(1)Ba4 tetrahedra, and edges with two equivalent F(8)Ba3Sc tetrahedra. is represented by the CIF card [CIF]
data_Ba6MgSc2C2(O3F7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.275
_cell_length_b   9.080
_cell_length_c   9.097
_cell_angle_alpha   98.977
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   511.936
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ba  Ba0  1  0.250  0.839  0.600  1.0
  Ba  Ba1  1  0.750  0.633  0.866  1.0
  Ba  Ba2  1  0.250  0.399  0.160  1.0
  Ba  Ba3  1  0.750  0.075  0.927  1.0
  Ba  Ba4  1  0.250  0.892  0.108  1.0
  Ba  Ba5  1  0.750  0.135  0.368  1.0
  Mg  Mg6  1  0.750  0.295  0.706  1.0
  Sc  Sc7  1  0.250  0.276  0.723  1.0
  Sc  Sc8  1  0.750  0.718  0.282  1.0
  C  C9  1  0.250  0.473  0.525  1.0
  C  C10  1  0.750  0.525  0.476  1.0
  O  O11  1  0.250  0.567  0.432  1.0
  O  O12  1  0.750  0.669  0.521  1.0
  O  O13  1  0.250  0.518  0.670  1.0
  O  O14  1  0.250  0.328  0.480  1.0
  O  O15  1  0.750  0.430  0.572  1.0
  O  O16  1  0.750  0.479  0.333  1.0
  F  F17  1  0.491  0.152  0.153  1.0
  F  F18  1  0.250  0.129  0.876  1.0
  F  F19  1  0.750  0.882  0.116  1.0
  F  F20  1  0.490  0.848  0.848  1.0
  F  F21  1  0.542  0.139  0.643  1.0
  F  F22  1  0.507  0.634  0.116  1.0
  F  F23  1  0.958  0.359  0.861  1.0
  F  F24  1  0.542  0.359  0.861  1.0
  F  F25  1  0.958  0.139  0.643  1.0
  F  F26  1  0.993  0.884  0.365  1.0
  F  F27  1  0.010  0.848  0.848  1.0
  F  F28  1  0.009  0.152  0.153  1.0
  F  F29  1  0.993  0.634  0.116  1.0
  F  F30  1  0.507  0.884  0.365  1.0
[/CIF]
.
The structure described by Ba6MgSc2C2(O3F7)2 crystallizes in the monoclinic Pm space group. There are six inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 5-coordinate geometry to one O(1), two equivalent F(4), two equivalent F(5), and two equivalent F(8) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(2), one O(5), one F(3), two equivalent F(4), two equivalent F(6), and two equivalent F(7) atoms. In the third Ba site, Ba(3) is bonded in a 5-coordinate geometry to one O(1), two equivalent F(1), two equivalent F(6), and two equivalent F(7) atoms. In the fourth Ba site, Ba(4) is bonded in a 5-coordinate geometry to one F(3), two equivalent F(1), two equivalent F(4), two equivalent F(5), and two equivalent F(7) atoms. In the fifth Ba site, Ba(5) is bonded in a 11-coordinate geometry to one F(2), two equivalent F(1), two equivalent F(3), two equivalent F(4), two equivalent F(6), and two equivalent F(8) atoms. In the sixth Ba site, Ba(6) is bonded in a 9-coordinate geometry to one O(5), one O(6), one F(3), two equivalent F(1), two equivalent F(5), and two equivalent F(8) atoms. Mg(1) is bonded in a distorted trigonal bipyramidal geometry to one O(5), two equivalent F(5), and two equivalent F(7) atoms. There are two inequivalent Sc sites. In the first Sc site, Sc(1) is bonded in a 7-coordinate geometry to one O(3), one O(4), one F(2), two equivalent F(5), and two equivalent F(7) atoms. In the second Sc site, Sc(2) is bonded in a distorted pentagonal bipyramidal geometry to one O(2), one O(6), one F(3), two equivalent F(6), and two equivalent F(8) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(2), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ba(1), one Ba(3), and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(2), one Sc(2), and one C(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sc(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Sc(1) and one C(1) atom. In the fifth O site, O(5) is bonded in a linear geometry to one Ba(2), one Ba(6), one Mg(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ba(6), one Sc(2), and one C(2) atom. There are eight inequivalent F sites. In the first F site, F(1) is bonded to one Ba(3), one Ba(4), one Ba(5), and one Ba(6) atom to form FBa4 tetrahedra that share corners with two equivalent F(8)Ba3Sc tetrahedra, corners with two equivalent F(4)Ba4 tetrahedra, corners with four equivalent F(6)Ba3Sc tetrahedra,  an edgeedge with one F(8)Ba3Sc tetrahedra,  an edgeedge with one F(4)Ba4 tetrahedra, and edges with two equivalent F(1)Ba4 tetrahedra. In the second F site, F(2) is bonded in a single-bond geometry to one Ba(5) and one Sc(1) atom. In the third F site, F(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(4), one Ba(6), two equivalent Ba(5), and one Sc(2) atom. In the fourth F site, F(4) is bonded to one Ba(1), one Ba(2), one Ba(4), and one Ba(5) atom to form FBa4 tetrahedra that share corners with two equivalent F(6)Ba3Sc tetrahedra, corners with two equivalent F(1)Ba4 tetrahedra, corners with four equivalent F(8)Ba3Sc tetrahedra,  an edgeedge with one F(6)Ba3Sc tetrahedra,  an edgeedge with one F(1)Ba4 tetrahedra, and edges with two equivalent F(4)Ba4 tetrahedra. In the fifth F site, F(5) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(4), one Ba(6), one Mg(1), and one Sc(1) atom. In the sixth F site, F(6) is bonded to one Ba(2), one Ba(3), one Ba(5), and one Sc(2) atom to form distorted FBa3Sc tetrahedra that share corners with two equivalent F(8)Ba3Sc tetrahedra, corners with two equivalent F(4)Ba4 tetrahedra, corners with four equivalent F(1)Ba4 tetrahedra,  an edgeedge with one F(8)Ba3Sc tetrahedra,  an edgeedge with one F(4)Ba4 tetrahedra, and edges with two equivalent F(6)Ba3Sc tetrahedra. In the seventh F site, F(7) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Mg(1), and one Sc(1) atom. In the eighth F site, F(8) is bonded to one Ba(1), one Ba(5), one Ba(6), and one Sc(2) atom to form distorted FBa3Sc tetrahedra that share corners with two equivalent F(6)Ba3Sc tetrahedra, corners with two equivalent F(1)Ba4 tetrahedra, corners with four equivalent F(4)Ba4 tetrahedra,  an edgeedge with one F(6)Ba3Sc tetrahedra,  an edgeedge with one F(1)Ba4 tetrahedra, and edges with two equivalent F(8)Ba3Sc tetrahedra. is represented by the CIF card [CIF]
data_Ba6MgSc2C2(O3F7)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.275
_cell_length_b   9.080
_cell_length_c   9.097
_cell_angle_alpha   98.977
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   511.936
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Ba  Ba0  1  0.250  0.839  0.600  1.0
  Ba  Ba1  1  0.750  0.633  0.866  1.0
  Ba  Ba2  1  0.250  0.399  0.160  1.0
  Ba  Ba3  1  0.750  0.075  0.927  1.0
  Ba  Ba4  1  0.250  0.892  0.108  1.0
  Ba  Ba5  1  0.750  0.135  0.368  1.0
  Mg  Mg6  1  0.750  0.295  0.706  1.0
  Sc  Sc7  1  0.250  0.276  0.723  1.0
  Sc  Sc8  1  0.750  0.718  0.282  1.0
  C  C9  1  0.250  0.473  0.525  1.0
  C  C10  1  0.750  0.525  0.476  1.0
  O  O11  1  0.250  0.567  0.432  1.0
  O  O12  1  0.750  0.669  0.521  1.0
  O  O13  1  0.250  0.518  0.670  1.0
  O  O14  1  0.250  0.328  0.480  1.0
  O  O15  1  0.750  0.430  0.572  1.0
  O  O16  1  0.750  0.479  0.333  1.0
  F  F17  1  0.491  0.152  0.153  1.0
  F  F18  1  0.250  0.129  0.876  1.0
  F  F19  1  0.750  0.882  0.116  1.0
  F  F20  1  0.490  0.848  0.848  1.0
  F  F21  1  0.542  0.139  0.643  1.0
  F  F22  1  0.507  0.634  0.116  1.0
  F  F23  1  0.958  0.359  0.861  1.0
  F  F24  1  0.542  0.359  0.861  1.0
  F  F25  1  0.958  0.139  0.643  1.0
  F  F26  1  0.993  0.884  0.365  1.0
  F  F27  1  0.010  0.848  0.848  1.0
  F  F28  1  0.009  0.152  0.153  1.0
  F  F29  1  0.993  0.634  0.116  1.0
  F  F30  1  0.507  0.884  0.365  1.0
[/CIF]
.