The material structure described by Li2Ni(CO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(2), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-79°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(5), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-78°. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(12), one O(3), one O(5), one O(8), and one O(9) atom. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(2), and one O(7) atom. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(4) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(8) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(11), one O(12), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Ni(2), and one C(1) atom. In the second O site, O(2) is bonded to one Li(1), one Li(4), one Ni(2), and one C(1) atom to form a mixture of distorted corner and edge-sharing OLi2NiC trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Ni(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Ni(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Ni(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Ni(1), and one C(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(4), one Ni(1), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Ni(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Li(3), one Ni(1), and one C(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(4), one Ni(2), and one C(3) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Li(4), one Ni(2), and one C(4) atom to form a mixture of distorted corner and edge-sharing OLi2NiC trigonal pyramids. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(3), one Ni(2), and one C(4) atom. is represented by the CIF card [CIF]
data_Li2Ni(CO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.183
_cell_length_b   6.439
_cell_length_c   7.759
_cell_angle_alpha   90.031
_cell_angle_beta   90.058
_cell_angle_gamma   113.320
_symmetry_Int_Tables_number   1
_cell_volume   237.749
_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
  C  C0  1  0.291  0.138  0.737  1.0
  C  C1  1  0.212  0.366  0.238  1.0
  C  C2  1  0.791  0.639  0.761  1.0
  C  C3  1  0.714  0.868  0.262  1.0
  Li  Li4  1  0.661  0.264  0.076  1.0
  Li  Li5  1  0.848  0.249  0.576  1.0
  Li  Li6  1  0.178  0.799  0.436  1.0
  Li  Li7  1  0.342  0.737  0.926  1.0
  Ni  Ni8  1  0.502  0.502  0.498  1.0
  Ni  Ni9  1  0.003  0.005  1.000  1.0
  O  O10  1  0.035  0.124  0.744  1.0
  O  O11  1  0.397  0.097  0.880  1.0
  O  O12  1  0.434  0.181  0.595  1.0
  O  O13  1  0.068  0.321  0.097  1.0
  O  O14  1  0.107  0.405  0.381  1.0
  O  O15  1  0.470  0.383  0.243  1.0
  O  O16  1  0.533  0.621  0.754  1.0
  O  O17  1  0.896  0.597  0.618  1.0
  O  O18  1  0.568  0.819  0.402  1.0
  O  O19  1  0.937  0.688  0.901  1.0
  O  O20  1  0.609  0.910  0.118  1.0
  O  O21  1  0.971  0.885  0.255  1.0
[/CIF]
.
The material structure described by Li2Ni(CO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(2), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-79°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(5), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Ni(1)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-78°. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(12), one O(3), one O(5), one O(8), and one O(9) atom. In the fourth Li site, Li(4) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(2), and one O(7) atom. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(3), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(2)O4 tetrahedra. In the second Ni site, Ni(2) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(4) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(1)O4 tetrahedra. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(10), one O(7), and one O(8) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(11), one O(12), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(2), one Ni(2), and one C(1) atom. In the second O site, O(2) is bonded to one Li(1), one Li(4), one Ni(2), and one C(1) atom to form a mixture of distorted corner and edge-sharing OLi2NiC trigonal pyramids. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Ni(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Li(1), one Ni(2), and one C(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Li(2), one Li(3), one Ni(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Ni(1), and one C(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(4), one Ni(1), and one C(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(3), one Ni(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one Li(3), one Ni(1), and one C(4) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(4), one Ni(2), and one C(3) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Li(4), one Ni(2), and one C(4) atom to form a mixture of distorted corner and edge-sharing OLi2NiC trigonal pyramids. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Li(3), one Ni(2), and one C(4) atom. is represented by the CIF card [CIF]
data_Li2Ni(CO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.183
_cell_length_b   6.439
_cell_length_c   7.759
_cell_angle_alpha   90.031
_cell_angle_beta   90.058
_cell_angle_gamma   113.320
_symmetry_Int_Tables_number   1
_cell_volume   237.749
_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
  C  C0  1  0.291  0.138  0.737  1.0
  C  C1  1  0.212  0.366  0.238  1.0
  C  C2  1  0.791  0.639  0.761  1.0
  C  C3  1  0.714  0.868  0.262  1.0
  Li  Li4  1  0.661  0.264  0.076  1.0
  Li  Li5  1  0.848  0.249  0.576  1.0
  Li  Li6  1  0.178  0.799  0.436  1.0
  Li  Li7  1  0.342  0.737  0.926  1.0
  Ni  Ni8  1  0.502  0.502  0.498  1.0
  Ni  Ni9  1  0.003  0.005  1.000  1.0
  O  O10  1  0.035  0.124  0.744  1.0
  O  O11  1  0.397  0.097  0.880  1.0
  O  O12  1  0.434  0.181  0.595  1.0
  O  O13  1  0.068  0.321  0.097  1.0
  O  O14  1  0.107  0.405  0.381  1.0
  O  O15  1  0.470  0.383  0.243  1.0
  O  O16  1  0.533  0.621  0.754  1.0
  O  O17  1  0.896  0.597  0.618  1.0
  O  O18  1  0.568  0.819  0.402  1.0
  O  O19  1  0.937  0.688  0.901  1.0
  O  O20  1  0.609  0.910  0.118  1.0
  O  O21  1  0.971  0.885  0.255  1.0
[/CIF]
.