The crystal structure described by RbMgV4O10 crystallizes in the monoclinic Cm space group. Rb(1) is bonded in a body-centered cubic geometry to two equivalent O(2), two equivalent O(5), two equivalent O(6), and two equivalent O(9) atoms. Mg(1) is bonded to one O(3), one O(7), one O(8), and two equivalent O(10) atoms to form distorted corner-sharing MgO5 trigonal bipyramids. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), and two equivalent O(4) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(5), and two equivalent O(3) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(7), and two equivalent O(8) atoms. In the fourth V site, V(4) is bonded in a 5-coordinate geometry to one O(10), one O(8), one O(9), and two equivalent O(7) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one V(1) and one V(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(1) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), and two equivalent V(2) atoms to form corner-sharing OMgV3 tetrahedra. In the fourth O site, O(4) is bonded in a T-shaped geometry to one V(2) and two equivalent V(1) atoms. In the fifth O site, O(5) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one V(3) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(3), and two equivalent V(4) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(4), and two equivalent V(3) atoms. In the ninth O site, O(9) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(4) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to two equivalent Mg(1), one V(3), and one V(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbMgV4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.856
_cell_length_b   6.018
_cell_length_c   10.993
_cell_angle_alpha   98.615
_cell_angle_beta   89.987
_cell_angle_gamma   108.684
_symmetry_Int_Tables_number   1
_cell_volume   238.626
_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
  Rb  Rb0  1  0.506  0.012  0.500  1.0
  Mg  Mg1  1  0.437  0.874  0.052  1.0
  V  V2  1  0.195  0.390  0.819  1.0
  V  V3  1  0.898  0.796  0.818  1.0
  V  V4  1  0.107  0.215  0.190  1.0
  V  V5  1  0.797  0.595  0.189  1.0
  O  O6  1  0.049  0.099  0.886  1.0
  O  O7  1  0.157  0.313  0.669  1.0
  O  O8  1  0.376  0.752  0.865  1.0
  O  O9  1  0.738  0.476  0.860  1.0
  O  O10  1  0.892  0.783  0.669  1.0
  O  O11  1  0.110  0.221  0.339  1.0
  O  O12  1  0.273  0.547  0.139  1.0
  O  O13  1  0.615  0.231  0.142  1.0
  O  O14  1  0.840  0.682  0.339  1.0
  O  O15  1  0.939  0.878  0.105  1.0
[/CIF]
.
The crystal structure described by RbMgV4O10 crystallizes in the monoclinic Cm space group. Rb(1) is bonded in a body-centered cubic geometry to two equivalent O(2), two equivalent O(5), two equivalent O(6), and two equivalent O(9) atoms. Mg(1) is bonded to one O(3), one O(7), one O(8), and two equivalent O(10) atoms to form distorted corner-sharing MgO5 trigonal bipyramids. There are four inequivalent V sites. In the first V site, V(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), and two equivalent O(4) atoms. In the second V site, V(2) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(5), and two equivalent O(3) atoms. In the third V site, V(3) is bonded in a 5-coordinate geometry to one O(10), one O(6), one O(7), and two equivalent O(8) atoms. In the fourth V site, V(4) is bonded in a 5-coordinate geometry to one O(10), one O(8), one O(9), and two equivalent O(7) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one V(1) and one V(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(1) atom. In the third O site, O(3) is bonded to one Mg(1), one V(1), and two equivalent V(2) atoms to form corner-sharing OMgV3 tetrahedra. In the fourth O site, O(4) is bonded in a T-shaped geometry to one V(2) and two equivalent V(1) atoms. In the fifth O site, O(5) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one V(3) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(3), and two equivalent V(4) atoms. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mg(1), one V(4), and two equivalent V(3) atoms. In the ninth O site, O(9) is bonded in a single-bond geometry to two equivalent Rb(1) and one V(4) atom. In the tenth O site, O(10) is bonded in a distorted see-saw-like geometry to two equivalent Mg(1), one V(3), and one V(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbMgV4O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.856
_cell_length_b   6.018
_cell_length_c   10.993
_cell_angle_alpha   98.615
_cell_angle_beta   89.987
_cell_angle_gamma   108.684
_symmetry_Int_Tables_number   1
_cell_volume   238.626
_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
  Rb  Rb0  1  0.506  0.012  0.500  1.0
  Mg  Mg1  1  0.437  0.874  0.052  1.0
  V  V2  1  0.195  0.390  0.819  1.0
  V  V3  1  0.898  0.796  0.818  1.0
  V  V4  1  0.107  0.215  0.190  1.0
  V  V5  1  0.797  0.595  0.189  1.0
  O  O6  1  0.049  0.099  0.886  1.0
  O  O7  1  0.157  0.313  0.669  1.0
  O  O8  1  0.376  0.752  0.865  1.0
  O  O9  1  0.738  0.476  0.860  1.0
  O  O10  1  0.892  0.783  0.669  1.0
  O  O11  1  0.110  0.221  0.339  1.0
  O  O12  1  0.273  0.547  0.139  1.0
  O  O13  1  0.615  0.231  0.142  1.0
  O  O14  1  0.840  0.682  0.339  1.0
  O  O15  1  0.939  0.878  0.105  1.0
[/CIF]
.