The crystal structure described by Co(NO3)2 crystallizes in the triclinic P-1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to two equivalent O(10), two equivalent O(11), and two equivalent O(12) atoms. In the second Co site, Co(2) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(6), and two equivalent O(9) atoms. In the third Co site, Co(3) is bonded in an octahedral geometry to two equivalent O(3), two equivalent O(5), and two equivalent O(8) atoms. In the fourth Co site, Co(4) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(1), one O(10), and one O(7) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(12), one O(3), and one O(9) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Co(2) and one N(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(4) and one N(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(3) and one N(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(4) and one N(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(3) and one N(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(2) and one N(1) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Co(4) and one N(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(3) and one N(4) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Co(2) and one N(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(1) and one N(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one N(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Co(1) and one N(3) atom. is represented by the CIF file [CIF]
data_Co(NO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.367
_cell_length_b   7.339
_cell_length_c   7.380
_cell_angle_alpha   89.967
_cell_angle_beta   90.077
_cell_angle_gamma   90.073
_symmetry_Int_Tables_number   1
_cell_volume   399.047
_cell_formula_units_Z   4
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
  Co  Co0  1  0.000  0.000  0.000  1.0
  Co  Co1  1  0.000  0.500  0.500  1.0
  Co  Co2  1  0.500  0.500  0.000  1.0
  Co  Co3  1  0.500  0.000  0.500  1.0
  N  N4  1  0.335  0.335  0.335  1.0
  N  N5  1  0.839  0.159  0.650  1.0
  N  N6  1  0.160  0.651  0.839  1.0
  N  N7  1  0.650  0.840  0.159  1.0
  N  N8  1  0.161  0.841  0.350  1.0
  N  N9  1  0.665  0.665  0.665  1.0
  N  N10  1  0.350  0.160  0.841  1.0
  N  N11  1  0.840  0.349  0.161  1.0
  O  O12  1  0.987  0.242  0.626  1.0
  O  O13  1  0.013  0.758  0.374  1.0
  O  O14  1  0.625  0.987  0.243  1.0
  O  O15  1  0.243  0.626  0.986  1.0
  O  O16  1  0.330  0.218  0.459  1.0
  O  O17  1  0.458  0.330  0.218  1.0
  O  O18  1  0.218  0.459  0.329  1.0
  O  O19  1  0.670  0.782  0.541  1.0
  O  O20  1  0.542  0.670  0.782  1.0
  O  O21  1  0.782  0.541  0.671  1.0
  O  O22  1  0.712  0.177  0.538  1.0
  O  O23  1  0.538  0.712  0.177  1.0
  O  O24  1  0.177  0.538  0.712  1.0
  O  O25  1  0.288  0.823  0.462  1.0
  O  O26  1  0.462  0.288  0.823  1.0
  O  O27  1  0.823  0.462  0.288  1.0
  O  O28  1  0.181  0.943  0.214  1.0
  O  O29  1  0.216  0.177  0.945  1.0
  O  O30  1  0.943  0.213  0.181  1.0
  O  O31  1  0.819  0.057  0.786  1.0
  O  O32  1  0.784  0.823  0.055  1.0
  O  O33  1  0.057  0.787  0.819  1.0
  O  O34  1  0.375  0.013  0.757  1.0
  O  O35  1  0.757  0.374  0.014  1.0
[/CIF]
.
The crystal structure described by Co(NO3)2 crystallizes in the triclinic P-1 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to two equivalent O(10), two equivalent O(11), and two equivalent O(12) atoms. In the second Co site, Co(2) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(6), and two equivalent O(9) atoms. In the third Co site, Co(3) is bonded in an octahedral geometry to two equivalent O(3), two equivalent O(5), and two equivalent O(8) atoms. In the fourth Co site, Co(4) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one O(1), one O(10), and one O(7) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(12), one O(3), and one O(9) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one O(11), one O(2), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Co(2) and one N(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Co(4) and one N(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Co(3) and one N(3) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(4) and one N(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(3) and one N(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Co(2) and one N(1) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Co(4) and one N(2) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Co(3) and one N(4) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Co(2) and one N(3) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Co(1) and one N(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Co(1) and one N(4) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Co(1) and one N(3) atom. is represented by the CIF file [CIF]
data_Co(NO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.367
_cell_length_b   7.339
_cell_length_c   7.380
_cell_angle_alpha   89.967
_cell_angle_beta   90.077
_cell_angle_gamma   90.073
_symmetry_Int_Tables_number   1
_cell_volume   399.047
_cell_formula_units_Z   4
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
  Co  Co0  1  0.000  0.000  0.000  1.0
  Co  Co1  1  0.000  0.500  0.500  1.0
  Co  Co2  1  0.500  0.500  0.000  1.0
  Co  Co3  1  0.500  0.000  0.500  1.0
  N  N4  1  0.335  0.335  0.335  1.0
  N  N5  1  0.839  0.159  0.650  1.0
  N  N6  1  0.160  0.651  0.839  1.0
  N  N7  1  0.650  0.840  0.159  1.0
  N  N8  1  0.161  0.841  0.350  1.0
  N  N9  1  0.665  0.665  0.665  1.0
  N  N10  1  0.350  0.160  0.841  1.0
  N  N11  1  0.840  0.349  0.161  1.0
  O  O12  1  0.987  0.242  0.626  1.0
  O  O13  1  0.013  0.758  0.374  1.0
  O  O14  1  0.625  0.987  0.243  1.0
  O  O15  1  0.243  0.626  0.986  1.0
  O  O16  1  0.330  0.218  0.459  1.0
  O  O17  1  0.458  0.330  0.218  1.0
  O  O18  1  0.218  0.459  0.329  1.0
  O  O19  1  0.670  0.782  0.541  1.0
  O  O20  1  0.542  0.670  0.782  1.0
  O  O21  1  0.782  0.541  0.671  1.0
  O  O22  1  0.712  0.177  0.538  1.0
  O  O23  1  0.538  0.712  0.177  1.0
  O  O24  1  0.177  0.538  0.712  1.0
  O  O25  1  0.288  0.823  0.462  1.0
  O  O26  1  0.462  0.288  0.823  1.0
  O  O27  1  0.823  0.462  0.288  1.0
  O  O28  1  0.181  0.943  0.214  1.0
  O  O29  1  0.216  0.177  0.945  1.0
  O  O30  1  0.943  0.213  0.181  1.0
  O  O31  1  0.819  0.057  0.786  1.0
  O  O32  1  0.784  0.823  0.055  1.0
  O  O33  1  0.057  0.787  0.819  1.0
  O  O34  1  0.375  0.013  0.757  1.0
  O  O35  1  0.757  0.374  0.014  1.0
[/CIF]
.