The crystal structure described by Ag9Si2NO11 crystallizes in the triclinic P1 space group. There are nine inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted trigonal planar geometry to one O(3), one O(5), and one O(8) atom. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one O(11), one O(4), one O(6), and one O(7) atom. In the third Ag site, Ag(3) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(2), one O(8), and one O(9) atom. In the fourth Ag site, Ag(4) is bonded in a 3-coordinate geometry to one O(1), one O(7), and one O(9) atom. In the fifth Ag site, Ag(5) is bonded in a linear geometry to one O(3) and one O(4) atom. In the sixth Ag site, Ag(6) is bonded to one O(11), one O(2), one O(6), and one O(7) atom to form distorted AgO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra and corners with two equivalent Si(1)O4 tetrahedra. In the seventh Ag site, Ag(7) is bonded in a distorted trigonal planar geometry to one O(1), one O(5), and one O(8) atom. In the eighth Ag site, Ag(8) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(5) atom. In the ninth Ag site, Ag(9) is bonded in a distorted T-shaped geometry to one O(2), one O(4), and one O(6) atom. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form SiO4 tetrahedra that share corners with two equivalent Ag(6)O4 trigonal pyramids. In the second Si site, Si(2) is bonded to one O(1), one O(3), one O(6), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Ag(6)O4 trigonal pyramid. N(1) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(9) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to one Ag(4), one Ag(7), one Ag(8), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the second O site, O(2) is bonded to one Ag(3), one Ag(6), one Ag(9), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the third O site, O(3) is bonded to one Ag(1), one Ag(5), one Ag(8), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the fourth O site, O(4) is bonded to one Ag(2), one Ag(5), one Ag(9), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the fifth O site, O(5) is bonded to one Ag(1), one Ag(7), one Ag(8), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the sixth O site, O(6) is bonded to one Ag(2), one Ag(6), one Ag(9), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the seventh O site, O(7) is bonded to one Ag(2), one Ag(4), one Ag(6), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the eighth O site, O(8) is bonded to one Ag(1), one Ag(3), one Ag(7), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Ag(3), one Ag(4), and one N(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Ag(3) and one N(1) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(6), and one N(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Si2Ag9NO11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.825
_cell_length_b   6.943
_cell_length_c   9.010
_cell_angle_alpha   107.972
_cell_angle_beta   98.640
_cell_angle_gamma   95.391
_symmetry_Int_Tables_number   1
_cell_volume   338.850
_cell_formula_units_Z   1
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
  Si  Si0  1  0.276  0.673  0.820  1.0
  Si  Si1  1  0.733  0.324  0.182  1.0
  Ag  Ag2  1  0.257  0.532  0.143  1.0
  Ag  Ag3  1  0.763  0.475  0.865  1.0
  Ag  Ag4  1  0.019  0.692  0.488  1.0
  Ag  Ag5  1  0.014  0.286  0.514  1.0
  Ag  Ag6  1  0.501  0.500  0.502  1.0
  Ag  Ag7  1  0.272  0.188  0.859  1.0
  Ag  Ag8  1  0.731  0.809  0.150  1.0
  Ag  Ag9  1  0.180  0.035  0.143  1.0
  Ag  Ag10  1  0.829  0.965  0.862  1.0
  N  N11  1  0.525  0.005  0.503  1.0
  O  O12  1  0.889  0.174  0.256  1.0
  O  O13  1  0.118  0.822  0.747  1.0
  O  O14  1  0.487  0.340  0.255  1.0
  O  O15  1  0.523  0.662  0.749  1.0
  O  O16  1  0.344  0.773  0.017  1.0
  O  O17  1  0.662  0.224  0.986  1.0
  O  O18  1  0.122  0.441  0.771  1.0
  O  O19  1  0.890  0.555  0.230  1.0
  O  O20  1  0.727  0.959  0.480  1.0
  O  O21  1  0.342  0.907  0.402  1.0
  O  O22  1  0.508  0.152  0.624  1.0
[/CIF]
.
The crystal structure described by Ag9Si2NO11 crystallizes in the triclinic P1 space group. There are nine inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted trigonal planar geometry to one O(3), one O(5), and one O(8) atom. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one O(11), one O(4), one O(6), and one O(7) atom. In the third Ag site, Ag(3) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(2), one O(8), and one O(9) atom. In the fourth Ag site, Ag(4) is bonded in a 3-coordinate geometry to one O(1), one O(7), and one O(9) atom. In the fifth Ag site, Ag(5) is bonded in a linear geometry to one O(3) and one O(4) atom. In the sixth Ag site, Ag(6) is bonded to one O(11), one O(2), one O(6), and one O(7) atom to form distorted AgO4 trigonal pyramids that share  a cornercorner with one Si(2)O4 tetrahedra and corners with two equivalent Si(1)O4 tetrahedra. In the seventh Ag site, Ag(7) is bonded in a distorted trigonal planar geometry to one O(1), one O(5), and one O(8) atom. In the eighth Ag site, Ag(8) is bonded in a 3-coordinate geometry to one O(1), one O(3), and one O(5) atom. In the ninth Ag site, Ag(9) is bonded in a distorted T-shaped geometry to one O(2), one O(4), and one O(6) atom. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(2), one O(4), one O(5), and one O(7) atom to form SiO4 tetrahedra that share corners with two equivalent Ag(6)O4 trigonal pyramids. In the second Si site, Si(2) is bonded to one O(1), one O(3), one O(6), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Ag(6)O4 trigonal pyramid. N(1) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(9) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded to one Ag(4), one Ag(7), one Ag(8), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the second O site, O(2) is bonded to one Ag(3), one Ag(6), one Ag(9), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the third O site, O(3) is bonded to one Ag(1), one Ag(5), one Ag(8), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the fourth O site, O(4) is bonded to one Ag(2), one Ag(5), one Ag(9), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the fifth O site, O(5) is bonded to one Ag(1), one Ag(7), one Ag(8), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the sixth O site, O(6) is bonded to one Ag(2), one Ag(6), one Ag(9), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the seventh O site, O(7) is bonded to one Ag(2), one Ag(4), one Ag(6), and one Si(1) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the eighth O site, O(8) is bonded to one Ag(1), one Ag(3), one Ag(7), and one Si(2) atom to form distorted corner-sharing OSiAg3 tetrahedra. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Ag(3), one Ag(4), and one N(1) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Ag(3) and one N(1) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(6), and one N(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Si2Ag9NO11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.825
_cell_length_b   6.943
_cell_length_c   9.010
_cell_angle_alpha   107.972
_cell_angle_beta   98.640
_cell_angle_gamma   95.391
_symmetry_Int_Tables_number   1
_cell_volume   338.850
_cell_formula_units_Z   1
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
  Si  Si0  1  0.276  0.673  0.820  1.0
  Si  Si1  1  0.733  0.324  0.182  1.0
  Ag  Ag2  1  0.257  0.532  0.143  1.0
  Ag  Ag3  1  0.763  0.475  0.865  1.0
  Ag  Ag4  1  0.019  0.692  0.488  1.0
  Ag  Ag5  1  0.014  0.286  0.514  1.0
  Ag  Ag6  1  0.501  0.500  0.502  1.0
  Ag  Ag7  1  0.272  0.188  0.859  1.0
  Ag  Ag8  1  0.731  0.809  0.150  1.0
  Ag  Ag9  1  0.180  0.035  0.143  1.0
  Ag  Ag10  1  0.829  0.965  0.862  1.0
  N  N11  1  0.525  0.005  0.503  1.0
  O  O12  1  0.889  0.174  0.256  1.0
  O  O13  1  0.118  0.822  0.747  1.0
  O  O14  1  0.487  0.340  0.255  1.0
  O  O15  1  0.523  0.662  0.749  1.0
  O  O16  1  0.344  0.773  0.017  1.0
  O  O17  1  0.662  0.224  0.986  1.0
  O  O18  1  0.122  0.441  0.771  1.0
  O  O19  1  0.890  0.555  0.230  1.0
  O  O20  1  0.727  0.959  0.480  1.0
  O  O21  1  0.342  0.907  0.402  1.0
  O  O22  1  0.508  0.152  0.624  1.0
[/CIF]
.