The material structure described by Ag2CO3 crystallizes in the orthorhombic Pmc2_1 space group. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. In the second Ag site, Ag(2) is bonded to one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the third Ag site, Ag(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the fourth Ag site, Ag(4) is bonded in a distorted rectangular see-saw-like geometry to one O(6), one O(7), and two equivalent O(8) atoms. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one O(4), one O(9), and two equivalent O(5) atoms. In the sixth Ag site, Ag(6) is bonded to one O(8), two equivalent O(7), and two equivalent O(9) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(7), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ag(3), two equivalent Ag(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(3), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ag(2), two equivalent Ag(5), and one C(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(3), and one C(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(6), and one C(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ag(6), two equivalent Ag(4), and one C(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(6), and one C(3) atom. is represented by the CIF file [CIF]
data_Ag2CO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.447
_cell_length_b   9.231
_cell_length_c   15.895
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   505.768
_cell_formula_units_Z   6
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
  Ag  Ag0  1  0.000  0.173  0.922  1.0
  Ag  Ag1  1  0.500  0.325  0.071  1.0
  Ag  Ag2  1  0.500  0.349  0.748  1.0
  Ag  Ag3  1  0.000  0.673  0.078  1.0
  Ag  Ag4  1  0.000  0.669  0.420  1.0
  Ag  Ag5  1  0.000  0.657  0.749  1.0
  Ag  Ag6  1  0.500  0.825  0.929  1.0
  Ag  Ag7  1  0.500  0.820  0.579  1.0
  Ag  Ag8  1  0.500  0.849  0.252  1.0
  Ag  Ag9  1  0.000  0.169  0.580  1.0
  Ag  Ag10  1  0.000  0.157  0.251  1.0
  Ag  Ag11  1  0.500  0.320  0.421  1.0
  C  C12  1  0.000  0.001  0.084  1.0
  C  C13  1  0.500  0.001  0.751  1.0
  C  C14  1  0.000  0.498  0.582  1.0
  C  C15  1  0.500  0.501  0.249  1.0
  C  C16  1  0.000  0.501  0.916  1.0
  C  C17  1  0.000  0.998  0.418  1.0
  O  O18  1  0.500  0.611  0.198  1.0
  O  O19  1  0.000  0.889  0.133  1.0
  O  O20  1  0.000  0.982  0.002  1.0
  O  O21  1  0.500  0.111  0.802  1.0
  O  O22  1  0.000  0.130  0.114  1.0
  O  O23  1  0.500  0.369  0.217  1.0
  O  O24  1  0.000  0.389  0.867  1.0
  O  O25  1  0.000  0.389  0.634  1.0
  O  O26  1  0.000  0.482  0.998  1.0
  O  O27  1  0.000  0.477  0.502  1.0
  O  O28  1  0.500  0.517  0.330  1.0
  O  O29  1  0.000  0.631  0.612  1.0
  O  O30  1  0.000  0.630  0.886  1.0
  O  O31  1  0.500  0.869  0.783  1.0
  O  O32  1  0.000  0.889  0.366  1.0
  O  O33  1  0.000  0.977  0.498  1.0
  O  O34  1  0.500  0.017  0.670  1.0
  O  O35  1  0.000  0.131  0.388  1.0
[/CIF]
.
The material structure described by Ag2CO3 crystallizes in the orthorhombic Pmc2_1 space group. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), and two equivalent O(1) atoms. In the second Ag site, Ag(2) is bonded to one O(5), two equivalent O(3), and two equivalent O(4) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the third Ag site, Ag(3) is bonded to one O(1), two equivalent O(2), and two equivalent O(6) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. In the fourth Ag site, Ag(4) is bonded in a distorted rectangular see-saw-like geometry to one O(6), one O(7), and two equivalent O(8) atoms. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one O(4), one O(9), and two equivalent O(5) atoms. In the sixth Ag site, Ag(6) is bonded to one O(8), two equivalent O(7), and two equivalent O(9) atoms to form distorted edge-sharing AgO5 trigonal bipyramids. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(4) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(5), and one O(8) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(7), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Ag(3), two equivalent Ag(1), and one C(2) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(3), and one C(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ag(1), two equivalent Ag(2), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Ag(2), two equivalent Ag(5), and one C(2) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(3), and one C(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Ag(4), two equivalent Ag(6), and one C(3) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ag(6), two equivalent Ag(4), and one C(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Ag(5), two equivalent Ag(6), and one C(3) atom. is represented by the CIF file [CIF]
data_Ag2CO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.447
_cell_length_b   9.231
_cell_length_c   15.895
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   505.768
_cell_formula_units_Z   6
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
  Ag  Ag0  1  0.000  0.173  0.922  1.0
  Ag  Ag1  1  0.500  0.325  0.071  1.0
  Ag  Ag2  1  0.500  0.349  0.748  1.0
  Ag  Ag3  1  0.000  0.673  0.078  1.0
  Ag  Ag4  1  0.000  0.669  0.420  1.0
  Ag  Ag5  1  0.000  0.657  0.749  1.0
  Ag  Ag6  1  0.500  0.825  0.929  1.0
  Ag  Ag7  1  0.500  0.820  0.579  1.0
  Ag  Ag8  1  0.500  0.849  0.252  1.0
  Ag  Ag9  1  0.000  0.169  0.580  1.0
  Ag  Ag10  1  0.000  0.157  0.251  1.0
  Ag  Ag11  1  0.500  0.320  0.421  1.0
  C  C12  1  0.000  0.001  0.084  1.0
  C  C13  1  0.500  0.001  0.751  1.0
  C  C14  1  0.000  0.498  0.582  1.0
  C  C15  1  0.500  0.501  0.249  1.0
  C  C16  1  0.000  0.501  0.916  1.0
  C  C17  1  0.000  0.998  0.418  1.0
  O  O18  1  0.500  0.611  0.198  1.0
  O  O19  1  0.000  0.889  0.133  1.0
  O  O20  1  0.000  0.982  0.002  1.0
  O  O21  1  0.500  0.111  0.802  1.0
  O  O22  1  0.000  0.130  0.114  1.0
  O  O23  1  0.500  0.369  0.217  1.0
  O  O24  1  0.000  0.389  0.867  1.0
  O  O25  1  0.000  0.389  0.634  1.0
  O  O26  1  0.000  0.482  0.998  1.0
  O  O27  1  0.000  0.477  0.502  1.0
  O  O28  1  0.500  0.517  0.330  1.0
  O  O29  1  0.000  0.631  0.612  1.0
  O  O30  1  0.000  0.630  0.886  1.0
  O  O31  1  0.500  0.869  0.783  1.0
  O  O32  1  0.000  0.889  0.366  1.0
  O  O33  1  0.000  0.977  0.498  1.0
  O  O34  1  0.500  0.017  0.670  1.0
  O  O35  1  0.000  0.131  0.388  1.0
[/CIF]
.