The crystal structure described by RbNO3 crystallizes in the trigonal P3_2 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), and two equivalent O(9) atoms. In the second Rb site, Rb(2) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(7), and two equivalent O(8) atoms. In the third Rb site, Rb(3) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(6), one O(9), two equivalent O(1), and two equivalent O(2) atoms. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(3), one O(5), and one O(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(4), one O(7), and one O(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(6) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a 4-coordinate geometry to one Rb(3), two equivalent Rb(1), and one N(2) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Rb(3) and one N(3) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to one Rb(2), two equivalent Rb(3), and one N(3) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(3), and one N(1) atom. In the fifth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(3), and one N(2) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one N(1) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), and one N(3) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one Rb(2) and one N(2) atom. In the ninth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Rb(2) and one N(1) atom. is represented by the CIF file [CIF]
data_RbNO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.661
_cell_length_b   11.661
_cell_length_c   7.392
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   870.403
_cell_formula_units_Z   9
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  0.092  0.568  0.919  1.0
  Rb  Rb1  1  0.476  0.908  0.252  1.0
  Rb  Rb2  1  0.739  0.561  0.250  1.0
  Rb  Rb3  1  0.432  0.524  0.586  1.0
  Rb  Rb4  1  0.102  0.229  0.054  1.0
  Rb  Rb5  1  0.771  0.873  0.721  1.0
  Rb  Rb6  1  0.127  0.898  0.388  1.0
  Rb  Rb7  1  0.822  0.261  0.584  1.0
  Rb  Rb8  1  0.439  0.178  0.917  1.0
  N  N9  1  0.763  0.228  0.075  1.0
  N  N10  1  0.404  0.535  0.078  1.0
  N  N11  1  0.082  0.186  0.575  1.0
  N  N12  1  0.131  0.596  0.411  1.0
  N  N13  1  0.466  0.237  0.409  1.0
  N  N14  1  0.465  0.869  0.745  1.0
  N  N15  1  0.772  0.534  0.742  1.0
  N  N16  1  0.104  0.918  0.908  1.0
  N  N17  1  0.814  0.896  0.242  1.0
  O  O18  1  0.061  0.134  0.420  1.0
  O  O19  1  0.072  0.939  0.754  1.0
  O  O20  1  0.172  0.016  0.014  1.0
  O  O21  1  0.888  0.292  0.057  1.0
  O  O22  1  0.355  0.463  0.217  1.0
  O  O23  1  0.493  0.289  0.565  1.0
  O  O24  1  0.537  0.891  0.884  1.0
  O  O25  1  0.732  0.930  0.295  1.0
  O  O26  1  0.526  0.622  0.072  1.0
  O  O27  1  0.984  0.156  0.681  1.0
  O  O28  1  0.797  0.507  0.899  1.0
  O  O29  1  0.711  0.203  0.232  1.0
  O  O30  1  0.688  0.189  0.937  1.0
  O  O31  1  0.070  0.802  0.962  1.0
  O  O32  1  0.501  0.312  0.271  1.0
  O  O33  1  0.329  0.517  0.942  1.0
  O  O34  1  0.844  0.828  0.348  1.0
  O  O35  1  0.866  0.928  0.087  1.0
  O  O36  1  0.096  0.474  0.405  1.0
  O  O37  1  0.378  0.904  0.739  1.0
  O  O38  1  0.404  0.112  0.390  1.0
  O  O39  1  0.811  0.499  0.604  1.0
  O  O40  1  0.109  0.645  0.550  1.0
  O  O41  1  0.708  0.596  0.723  1.0
  O  O42  1  0.188  0.671  0.275  1.0
  O  O43  1  0.483  0.812  0.608  1.0
  O  O44  1  0.198  0.268  0.628  1.0
[/CIF]
.
The crystal structure described by RbNO3 crystallizes in the trigonal P3_2 space group. There are three inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), and two equivalent O(9) atoms. In the second Rb site, Rb(2) is bonded in a 5-coordinate geometry to one O(2), one O(5), one O(7), and two equivalent O(8) atoms. In the third Rb site, Rb(3) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(6), one O(9), two equivalent O(1), and two equivalent O(2) atoms. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(3), one O(5), and one O(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(4), one O(7), and one O(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(6) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a 4-coordinate geometry to one Rb(3), two equivalent Rb(1), and one N(2) atom. In the second O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Rb(3) and one N(3) atom. In the third O site, O(2) is bonded in a 4-coordinate geometry to one Rb(2), two equivalent Rb(3), and one N(3) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(3), and one N(1) atom. In the fifth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(3), and one N(2) atom. In the sixth O site, O(5) is bonded in a 3-coordinate geometry to one Rb(1), one Rb(2), and one N(1) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to one Rb(1), one Rb(3), and one N(3) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one Rb(2) and one N(2) atom. In the ninth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent Rb(2) and one N(1) atom. is represented by the CIF file [CIF]
data_RbNO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.661
_cell_length_b   11.661
_cell_length_c   7.392
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   870.403
_cell_formula_units_Z   9
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  0.092  0.568  0.919  1.0
  Rb  Rb1  1  0.476  0.908  0.252  1.0
  Rb  Rb2  1  0.739  0.561  0.250  1.0
  Rb  Rb3  1  0.432  0.524  0.586  1.0
  Rb  Rb4  1  0.102  0.229  0.054  1.0
  Rb  Rb5  1  0.771  0.873  0.721  1.0
  Rb  Rb6  1  0.127  0.898  0.388  1.0
  Rb  Rb7  1  0.822  0.261  0.584  1.0
  Rb  Rb8  1  0.439  0.178  0.917  1.0
  N  N9  1  0.763  0.228  0.075  1.0
  N  N10  1  0.404  0.535  0.078  1.0
  N  N11  1  0.082  0.186  0.575  1.0
  N  N12  1  0.131  0.596  0.411  1.0
  N  N13  1  0.466  0.237  0.409  1.0
  N  N14  1  0.465  0.869  0.745  1.0
  N  N15  1  0.772  0.534  0.742  1.0
  N  N16  1  0.104  0.918  0.908  1.0
  N  N17  1  0.814  0.896  0.242  1.0
  O  O18  1  0.061  0.134  0.420  1.0
  O  O19  1  0.072  0.939  0.754  1.0
  O  O20  1  0.172  0.016  0.014  1.0
  O  O21  1  0.888  0.292  0.057  1.0
  O  O22  1  0.355  0.463  0.217  1.0
  O  O23  1  0.493  0.289  0.565  1.0
  O  O24  1  0.537  0.891  0.884  1.0
  O  O25  1  0.732  0.930  0.295  1.0
  O  O26  1  0.526  0.622  0.072  1.0
  O  O27  1  0.984  0.156  0.681  1.0
  O  O28  1  0.797  0.507  0.899  1.0
  O  O29  1  0.711  0.203  0.232  1.0
  O  O30  1  0.688  0.189  0.937  1.0
  O  O31  1  0.070  0.802  0.962  1.0
  O  O32  1  0.501  0.312  0.271  1.0
  O  O33  1  0.329  0.517  0.942  1.0
  O  O34  1  0.844  0.828  0.348  1.0
  O  O35  1  0.866  0.928  0.087  1.0
  O  O36  1  0.096  0.474  0.405  1.0
  O  O37  1  0.378  0.904  0.739  1.0
  O  O38  1  0.404  0.112  0.390  1.0
  O  O39  1  0.811  0.499  0.604  1.0
  O  O40  1  0.109  0.645  0.550  1.0
  O  O41  1  0.708  0.596  0.723  1.0
  O  O42  1  0.188  0.671  0.275  1.0
  O  O43  1  0.483  0.812  0.608  1.0
  O  O44  1  0.198  0.268  0.628  1.0
[/CIF]
.