The material structure described by RbMnP2O7 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 10-coordinate geometry to one O(1), one O(4), one O(5), one O(7), two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms. Mn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form MnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra and corners with three equivalent P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-53°. In the second P site, P(2) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 15-48°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(1), and one P(1) atom. In the second O site, O(6) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(2) atom. In the third O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mn(1), and one P(1) atom. In the fourth O site, O(1) is bonded in a bent 120 degrees geometry to one Rb(1), one P(1), and one P(2) atom. In the fifth O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(2) atom. In the sixth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(1) atom. In the seventh O site, O(4) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(1), and one P(2) atom. is represented by the CIF file [CIF]
data_RbMnP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.877
_cell_length_b   7.490
_cell_length_c   8.810
_cell_angle_alpha   74.612
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   628.350
_cell_formula_units_Z   4
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  0.312  0.819  0.044  1.0
  Rb  Rb1  1  0.812  0.181  0.456  1.0
  Rb  Rb2  1  0.688  0.181  0.956  1.0
  Rb  Rb3  1  0.188  0.819  0.544  1.0
  Mn  Mn4  1  0.601  0.764  0.756  1.0
  Mn  Mn5  1  0.101  0.236  0.744  1.0
  Mn  Mn6  1  0.399  0.236  0.244  1.0
  Mn  Mn7  1  0.899  0.764  0.256  1.0
  P  P8  1  0.631  0.566  0.190  1.0
  P  P9  1  0.131  0.434  0.310  1.0
  P  P10  1  0.369  0.434  0.810  1.0
  P  P11  1  0.869  0.566  0.690  1.0
  P  P12  1  0.905  0.868  0.832  1.0
  P  P13  1  0.405  0.132  0.668  1.0
  P  P14  1  0.095  0.132  0.168  1.0
  P  P15  1  0.595  0.868  0.332  1.0
  O  O16  1  0.950  0.669  0.805  1.0
  O  O17  1  0.450  0.331  0.695  1.0
  O  O18  1  0.050  0.331  0.195  1.0
  O  O19  1  0.550  0.669  0.305  1.0
  O  O20  1  0.737  0.914  0.255  1.0
  O  O21  1  0.237  0.086  0.245  1.0
  O  O22  1  0.263  0.086  0.745  1.0
  O  O23  1  0.763  0.914  0.755  1.0
  O  O24  1  0.576  0.366  0.236  1.0
  O  O25  1  0.076  0.634  0.264  1.0
  O  O26  1  0.424  0.634  0.764  1.0
  O  O27  1  0.924  0.366  0.736  1.0
  O  O28  1  0.590  0.855  0.504  1.0
  O  O29  1  0.090  0.145  0.996  1.0
  O  O30  1  0.410  0.145  0.496  1.0
  O  O31  1  0.910  0.855  0.004  1.0
  O  O32  1  0.604  0.673  0.022  1.0
  O  O33  1  0.104  0.327  0.478  1.0
  O  O34  1  0.396  0.327  0.978  1.0
  O  O35  1  0.896  0.673  0.522  1.0
  O  O36  1  0.497  0.009  0.227  1.0
  O  O37  1  0.997  0.991  0.273  1.0
  O  O38  1  0.503  0.991  0.773  1.0
  O  O39  1  0.003  0.009  0.727  1.0
  O  O40  1  0.782  0.555  0.244  1.0
  O  O41  1  0.282  0.445  0.256  1.0
  O  O42  1  0.218  0.445  0.756  1.0
  O  O43  1  0.718  0.555  0.744  1.0
[/CIF]
.
The material structure described by RbMnP2O7 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 10-coordinate geometry to one O(1), one O(4), one O(5), one O(7), two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms. Mn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form MnO6 octahedra that share corners with three equivalent P(1)O4 tetrahedra and corners with three equivalent P(2)O4 tetrahedra. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(5), and one O(7) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-53°. In the second P site, P(2) is bonded to one O(1), one O(2), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 15-48°. There are seven inequivalent O sites. In the first O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(1), and one P(1) atom. In the second O site, O(6) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(2) atom. In the third O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Rb(1), one Mn(1), and one P(1) atom. In the fourth O site, O(1) is bonded in a bent 120 degrees geometry to one Rb(1), one P(1), and one P(2) atom. In the fifth O site, O(2) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(2) atom. In the sixth O site, O(3) is bonded in a 2-coordinate geometry to two equivalent Rb(1), one Mn(1), and one P(1) atom. In the seventh O site, O(4) is bonded in a 2-coordinate geometry to one Rb(1), one Mn(1), and one P(2) atom. is represented by the CIF file [CIF]
data_RbMnP2O7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.877
_cell_length_b   7.490
_cell_length_c   8.810
_cell_angle_alpha   74.612
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   628.350
_cell_formula_units_Z   4
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  0.312  0.819  0.044  1.0
  Rb  Rb1  1  0.812  0.181  0.456  1.0
  Rb  Rb2  1  0.688  0.181  0.956  1.0
  Rb  Rb3  1  0.188  0.819  0.544  1.0
  Mn  Mn4  1  0.601  0.764  0.756  1.0
  Mn  Mn5  1  0.101  0.236  0.744  1.0
  Mn  Mn6  1  0.399  0.236  0.244  1.0
  Mn  Mn7  1  0.899  0.764  0.256  1.0
  P  P8  1  0.631  0.566  0.190  1.0
  P  P9  1  0.131  0.434  0.310  1.0
  P  P10  1  0.369  0.434  0.810  1.0
  P  P11  1  0.869  0.566  0.690  1.0
  P  P12  1  0.905  0.868  0.832  1.0
  P  P13  1  0.405  0.132  0.668  1.0
  P  P14  1  0.095  0.132  0.168  1.0
  P  P15  1  0.595  0.868  0.332  1.0
  O  O16  1  0.950  0.669  0.805  1.0
  O  O17  1  0.450  0.331  0.695  1.0
  O  O18  1  0.050  0.331  0.195  1.0
  O  O19  1  0.550  0.669  0.305  1.0
  O  O20  1  0.737  0.914  0.255  1.0
  O  O21  1  0.237  0.086  0.245  1.0
  O  O22  1  0.263  0.086  0.745  1.0
  O  O23  1  0.763  0.914  0.755  1.0
  O  O24  1  0.576  0.366  0.236  1.0
  O  O25  1  0.076  0.634  0.264  1.0
  O  O26  1  0.424  0.634  0.764  1.0
  O  O27  1  0.924  0.366  0.736  1.0
  O  O28  1  0.590  0.855  0.504  1.0
  O  O29  1  0.090  0.145  0.996  1.0
  O  O30  1  0.410  0.145  0.496  1.0
  O  O31  1  0.910  0.855  0.004  1.0
  O  O32  1  0.604  0.673  0.022  1.0
  O  O33  1  0.104  0.327  0.478  1.0
  O  O34  1  0.396  0.327  0.978  1.0
  O  O35  1  0.896  0.673  0.522  1.0
  O  O36  1  0.497  0.009  0.227  1.0
  O  O37  1  0.997  0.991  0.273  1.0
  O  O38  1  0.503  0.991  0.773  1.0
  O  O39  1  0.003  0.009  0.727  1.0
  O  O40  1  0.782  0.555  0.244  1.0
  O  O41  1  0.282  0.445  0.256  1.0
  O  O42  1  0.218  0.445  0.756  1.0
  O  O43  1  0.718  0.555  0.744  1.0
[/CIF]
.