The compound described by RbLi2Ni2(BO3)3 crystallizes in the monoclinic P2/c space group. Rb(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and four equivalent O(1) atoms. Li(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and corners with three equivalent Ni(1)O4 tetrahedra. Ni(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form NiO4 tetrahedra that share corners with three equivalent Li(1)O4 tetrahedra. There are two inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(5) and two equivalent O(4) atoms. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Ni(1), and one B(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(1), one Li(1), one Ni(1), and one B(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Rb(1), one Li(1), one Ni(1), and one B(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Rb(1), one Li(1), one Ni(1), and one B(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Rb(1), two equivalent Li(1), and one B(2) atom. is represented by the CIF card [CIF]
data_RbLi2Ni2(BO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.004
_cell_length_b   6.371
_cell_length_c   12.907
_cell_angle_alpha   88.346
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   411.297
_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  0.790  0.000  0.750  1.0
  Rb  Rb1  1  0.210  0.000  0.250  1.0
  Li  Li2  1  0.827  0.504  0.867  1.0
  Li  Li3  1  0.827  0.496  0.633  1.0
  Li  Li4  1  0.173  0.504  0.367  1.0
  Li  Li5  1  0.173  0.496  0.133  1.0
  Ni  Ni6  1  0.316  0.768  0.566  1.0
  Ni  Ni7  1  0.684  0.768  0.066  1.0
  Ni  Ni8  1  0.316  0.232  0.934  1.0
  Ni  Ni9  1  0.684  0.232  0.434  1.0
  B  B10  1  0.183  0.807  0.959  1.0
  B  B11  1  0.817  0.807  0.459  1.0
  B  B12  1  0.335  0.500  0.750  1.0
  B  B13  1  0.665  0.500  0.250  1.0
  B  B14  1  0.183  0.193  0.541  1.0
  B  B15  1  0.817  0.193  0.041  1.0
  O  O16  1  0.296  0.957  0.893  1.0
  O  O17  1  0.704  0.957  0.393  1.0
  O  O18  1  0.913  0.759  0.950  1.0
  O  O19  1  0.087  0.759  0.450  1.0
  O  O20  1  0.668  0.700  0.533  1.0
  O  O21  1  0.332  0.700  0.033  1.0
  O  O22  1  0.180  0.597  0.671  1.0
  O  O23  1  0.820  0.597  0.171  1.0
  O  O24  1  0.602  0.500  0.750  1.0
  O  O25  1  0.398  0.500  0.250  1.0
  O  O26  1  0.180  0.403  0.829  1.0
  O  O27  1  0.820  0.403  0.329  1.0
  O  O28  1  0.668  0.300  0.967  1.0
  O  O29  1  0.332  0.300  0.467  1.0
  O  O30  1  0.913  0.241  0.550  1.0
  O  O31  1  0.087  0.241  0.050  1.0
  O  O32  1  0.296  0.043  0.607  1.0
  O  O33  1  0.704  0.043  0.107  1.0
[/CIF]
.
The compound described by RbLi2Ni2(BO3)3 crystallizes in the monoclinic P2/c space group. Rb(1) is bonded in a 12-coordinate geometry to two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and four equivalent O(1) atoms. Li(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra and corners with three equivalent Ni(1)O4 tetrahedra. Ni(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form NiO4 tetrahedra that share corners with three equivalent Li(1)O4 tetrahedra. There are two inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(5) and two equivalent O(4) atoms. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent Rb(1), one Ni(1), and one B(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Rb(1), one Li(1), one Ni(1), and one B(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Rb(1), one Li(1), one Ni(1), and one B(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Rb(1), one Li(1), one Ni(1), and one B(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to two equivalent Rb(1), two equivalent Li(1), and one B(2) atom. is represented by the CIF card [CIF]
data_RbLi2Ni2(BO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.004
_cell_length_b   6.371
_cell_length_c   12.907
_cell_angle_alpha   88.346
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   411.297
_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  0.790  0.000  0.750  1.0
  Rb  Rb1  1  0.210  0.000  0.250  1.0
  Li  Li2  1  0.827  0.504  0.867  1.0
  Li  Li3  1  0.827  0.496  0.633  1.0
  Li  Li4  1  0.173  0.504  0.367  1.0
  Li  Li5  1  0.173  0.496  0.133  1.0
  Ni  Ni6  1  0.316  0.768  0.566  1.0
  Ni  Ni7  1  0.684  0.768  0.066  1.0
  Ni  Ni8  1  0.316  0.232  0.934  1.0
  Ni  Ni9  1  0.684  0.232  0.434  1.0
  B  B10  1  0.183  0.807  0.959  1.0
  B  B11  1  0.817  0.807  0.459  1.0
  B  B12  1  0.335  0.500  0.750  1.0
  B  B13  1  0.665  0.500  0.250  1.0
  B  B14  1  0.183  0.193  0.541  1.0
  B  B15  1  0.817  0.193  0.041  1.0
  O  O16  1  0.296  0.957  0.893  1.0
  O  O17  1  0.704  0.957  0.393  1.0
  O  O18  1  0.913  0.759  0.950  1.0
  O  O19  1  0.087  0.759  0.450  1.0
  O  O20  1  0.668  0.700  0.533  1.0
  O  O21  1  0.332  0.700  0.033  1.0
  O  O22  1  0.180  0.597  0.671  1.0
  O  O23  1  0.820  0.597  0.171  1.0
  O  O24  1  0.602  0.500  0.750  1.0
  O  O25  1  0.398  0.500  0.250  1.0
  O  O26  1  0.180  0.403  0.829  1.0
  O  O27  1  0.820  0.403  0.329  1.0
  O  O28  1  0.668  0.300  0.967  1.0
  O  O29  1  0.332  0.300  0.467  1.0
  O  O30  1  0.913  0.241  0.550  1.0
  O  O31  1  0.087  0.241  0.050  1.0
  O  O32  1  0.296  0.043  0.607  1.0
  O  O33  1  0.704  0.043  0.107  1.0
[/CIF]
.