The crystal structure described by RbMgP(H6O5)2 crystallizes in the orthorhombic Pmn2_1 space group. Rb(1) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(3) atoms. Mg(1) is bonded in an octahedral geometry to one O(4), one O(7), two equivalent O(1), and two equivalent O(3) atoms. P(1) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(5) atoms. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(3) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(2) and one O(7) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(4) and one O(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(7) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(1) and one O(6) atom. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(2) and one O(3) atom. There are seven inequivalent O sites. In the first O site, O(2) is bonded to one P(1), one H(3), and two equivalent H(7) atoms to form corner-sharing OPH3 tetrahedra. In the second O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Mg(1), one H(2), and one H(7) atom. In the third O site, O(4) is bonded in a distorted water-like geometry to one Mg(1) and two equivalent H(4) atoms. In the fourth O site, O(5) is bonded to one P(1), one H(1), one H(2), and one H(4) atom to form distorted corner-sharing OPH3 trigonal pyramids. In the fifth O site, O(6) is bonded in a 4-coordinate geometry to one Rb(1), one P(1), and two equivalent H(6) atoms. In the sixth O site, O(7) is bonded in a distorted trigonal planar geometry to one Mg(1), one H(3), and one H(5) atom. In the seventh O site, O(1) is bonded in a distorted water-like geometry to one Rb(1), one Mg(1), one H(1), and one H(6) atom. is represented by the CIF file [CIF]
data_RbMgP(H6O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.085
_cell_length_b   6.805
_cell_length_c   11.235
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   465.186
_cell_formula_units_Z   2
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  0.354  0.500  0.229  1.0
  Rb  Rb1  1  0.646  0.000  0.729  1.0
  Mg  Mg2  1  0.384  0.500  0.879  1.0
  Mg  Mg3  1  0.616  0.000  0.379  1.0
  P  P4  1  0.013  0.000  0.012  1.0
  P  P5  1  0.987  0.500  0.512  1.0
  H  H6  1  0.204  0.702  0.690  1.0
  H  H7  1  0.796  0.798  0.190  1.0
  H  H8  1  0.641  0.752  0.012  1.0
  H  H9  1  0.731  0.500  0.715  1.0
  H  H10  1  0.997  0.881  0.500  1.0
  H  H11  1  0.164  0.000  0.346  1.0
  H  H12  1  0.359  0.748  0.512  1.0
  H  H13  1  0.359  0.252  0.512  1.0
  H  H14  1  0.269  0.000  0.215  1.0
  H  H15  1  0.821  0.677  0.311  1.0
  H  H16  1  0.607  0.324  0.524  1.0
  H  H17  1  0.393  0.176  0.024  1.0
  H  H18  1  0.393  0.824  0.024  1.0
  H  H19  1  0.836  0.500  0.846  1.0
  H  H20  1  0.179  0.177  0.811  1.0
  H  H21  1  0.003  0.381  1.000  1.0
  H  H22  1  0.003  0.619  1.000  1.0
  H  H23  1  0.179  0.823  0.811  1.0
  H  H24  1  0.821  0.323  0.311  1.0
  H  H25  1  0.796  0.202  0.190  1.0
  H  H26  1  0.204  0.298  0.690  1.0
  H  H27  1  0.641  0.248  0.012  1.0
  H  H28  1  0.997  0.119  0.500  1.0
  H  H29  1  0.607  0.676  0.524  1.0
  O  O30  1  0.728  0.776  0.270  1.0
  O  O31  1  0.272  0.724  0.770  1.0
  O  O32  1  0.242  0.000  0.072  1.0
  O  O33  1  0.487  0.712  0.997  1.0
  O  O34  1  0.933  0.000  0.460  1.0
  O  O35  1  0.513  0.788  0.497  1.0
  O  O36  1  0.272  0.276  0.770  1.0
  O  O37  1  0.889  0.186  0.053  1.0
  O  O38  1  0.758  0.500  0.572  1.0
  O  O39  1  0.728  0.224  0.270  1.0
  O  O40  1  0.963  0.500  0.377  1.0
  O  O41  1  0.111  0.314  0.553  1.0
  O  O42  1  0.037  0.000  0.877  1.0
  O  O43  1  0.302  0.000  0.302  1.0
  O  O44  1  0.487  0.288  0.997  1.0
  O  O45  1  0.513  0.212  0.497  1.0
  O  O46  1  0.111  0.686  0.553  1.0
  O  O47  1  0.698  0.500  0.802  1.0
  O  O48  1  0.067  0.500  0.960  1.0
  O  O49  1  0.889  0.814  0.053  1.0
[/CIF]
.
The crystal structure described by RbMgP(H6O5)2 crystallizes in the orthorhombic Pmn2_1 space group. Rb(1) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), and two equivalent O(3) atoms. Mg(1) is bonded in an octahedral geometry to one O(4), one O(7), two equivalent O(1), and two equivalent O(3) atoms. P(1) is bonded in a tetrahedral geometry to one O(2), one O(6), and two equivalent O(5) atoms. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(3) and one O(5) atom. In the third H site, H(3) is bonded in a linear geometry to one O(2) and one O(7) atom. In the fourth H site, H(4) is bonded in a distorted linear geometry to one O(4) and one O(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(7) atom. In the sixth H site, H(6) is bonded in a distorted single-bond geometry to one O(1) and one O(6) atom. In the seventh H site, H(7) is bonded in a distorted linear geometry to one O(2) and one O(3) atom. There are seven inequivalent O sites. In the first O site, O(2) is bonded to one P(1), one H(3), and two equivalent H(7) atoms to form corner-sharing OPH3 tetrahedra. In the second O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Mg(1), one H(2), and one H(7) atom. In the third O site, O(4) is bonded in a distorted water-like geometry to one Mg(1) and two equivalent H(4) atoms. In the fourth O site, O(5) is bonded to one P(1), one H(1), one H(2), and one H(4) atom to form distorted corner-sharing OPH3 trigonal pyramids. In the fifth O site, O(6) is bonded in a 4-coordinate geometry to one Rb(1), one P(1), and two equivalent H(6) atoms. In the sixth O site, O(7) is bonded in a distorted trigonal planar geometry to one Mg(1), one H(3), and one H(5) atom. In the seventh O site, O(1) is bonded in a distorted water-like geometry to one Rb(1), one Mg(1), one H(1), and one H(6) atom. is represented by the CIF file [CIF]
data_RbMgP(H6O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.085
_cell_length_b   6.805
_cell_length_c   11.235
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   465.186
_cell_formula_units_Z   2
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  0.354  0.500  0.229  1.0
  Rb  Rb1  1  0.646  0.000  0.729  1.0
  Mg  Mg2  1  0.384  0.500  0.879  1.0
  Mg  Mg3  1  0.616  0.000  0.379  1.0
  P  P4  1  0.013  0.000  0.012  1.0
  P  P5  1  0.987  0.500  0.512  1.0
  H  H6  1  0.204  0.702  0.690  1.0
  H  H7  1  0.796  0.798  0.190  1.0
  H  H8  1  0.641  0.752  0.012  1.0
  H  H9  1  0.731  0.500  0.715  1.0
  H  H10  1  0.997  0.881  0.500  1.0
  H  H11  1  0.164  0.000  0.346  1.0
  H  H12  1  0.359  0.748  0.512  1.0
  H  H13  1  0.359  0.252  0.512  1.0
  H  H14  1  0.269  0.000  0.215  1.0
  H  H15  1  0.821  0.677  0.311  1.0
  H  H16  1  0.607  0.324  0.524  1.0
  H  H17  1  0.393  0.176  0.024  1.0
  H  H18  1  0.393  0.824  0.024  1.0
  H  H19  1  0.836  0.500  0.846  1.0
  H  H20  1  0.179  0.177  0.811  1.0
  H  H21  1  0.003  0.381  1.000  1.0
  H  H22  1  0.003  0.619  1.000  1.0
  H  H23  1  0.179  0.823  0.811  1.0
  H  H24  1  0.821  0.323  0.311  1.0
  H  H25  1  0.796  0.202  0.190  1.0
  H  H26  1  0.204  0.298  0.690  1.0
  H  H27  1  0.641  0.248  0.012  1.0
  H  H28  1  0.997  0.119  0.500  1.0
  H  H29  1  0.607  0.676  0.524  1.0
  O  O30  1  0.728  0.776  0.270  1.0
  O  O31  1  0.272  0.724  0.770  1.0
  O  O32  1  0.242  0.000  0.072  1.0
  O  O33  1  0.487  0.712  0.997  1.0
  O  O34  1  0.933  0.000  0.460  1.0
  O  O35  1  0.513  0.788  0.497  1.0
  O  O36  1  0.272  0.276  0.770  1.0
  O  O37  1  0.889  0.186  0.053  1.0
  O  O38  1  0.758  0.500  0.572  1.0
  O  O39  1  0.728  0.224  0.270  1.0
  O  O40  1  0.963  0.500  0.377  1.0
  O  O41  1  0.111  0.314  0.553  1.0
  O  O42  1  0.037  0.000  0.877  1.0
  O  O43  1  0.302  0.000  0.302  1.0
  O  O44  1  0.487  0.288  0.997  1.0
  O  O45  1  0.513  0.212  0.497  1.0
  O  O46  1  0.111  0.686  0.553  1.0
  O  O47  1  0.698  0.500  0.802  1.0
  O  O48  1  0.067  0.500  0.960  1.0
  O  O49  1  0.889  0.814  0.053  1.0
[/CIF]
.