The compound described by (Fe4As3O16)2(O2)7 crystallizes in the triclinic P1 space group. The structure consists of one 7782-44-7 molecule, one trioxidane molecule, and two water atoms inside a Fe4As3O16 framework. In the Fe4As3O16 framework, there are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(14), one O(15), one O(16), one O(2), and one O(3) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(13), one O(15), one O(16), one O(4), one O(5), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(13), one O(14), one O(16), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), and one O(15) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. There are three inequivalent As sites. In the first As site, As(1) is bonded to one O(11), one O(2), one O(5), and one O(8) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-55°. In the second As site, As(2) is bonded to one O(12), one O(3), one O(6), and one O(9) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third As site, As(3) is bonded to one O(1), one O(10), one O(4), and one O(7) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(3) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(3) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(1) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(2) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(1) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(2) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one Fe(2), one Fe(3), and one Fe(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(3), and one Fe(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(2), and one Fe(3) atom. is represented by the CIF card [CIF]
data_Fe4As3O23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.917
_cell_length_b   7.925
_cell_length_c   7.943
_cell_angle_alpha   88.665
_cell_angle_beta   89.426
_cell_angle_gamma   89.626
_symmetry_Int_Tables_number   1
_cell_volume   498.200
_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
  Fe  Fe0  1  0.133  0.868  0.868  1.0
  Fe  Fe1  1  0.860  0.861  0.143  1.0
  Fe  Fe2  1  0.860  0.142  0.860  1.0
  Fe  Fe3  1  0.131  0.130  0.130  1.0
  As  As4  1  0.495  0.998  0.999  1.0
  As  As5  1  0.000  0.003  0.500  1.0
  As  As6  1  0.000  0.500  0.003  1.0
  O  O7  1  0.134  0.627  0.881  1.0
  O  O8  1  0.376  0.871  0.872  1.0
  O  O9  1  0.135  0.883  0.627  1.0
  O  O10  1  0.879  0.615  0.139  1.0
  O  O11  1  0.617  0.871  0.127  1.0
  O  O12  1  0.876  0.871  0.387  1.0
  O  O13  1  0.876  0.387  0.872  1.0
  O  O14  1  0.617  0.127  0.873  1.0
  O  O15  1  0.880  0.139  0.616  1.0
  O  O16  1  0.135  0.370  0.119  1.0
  O  O17  1  0.372  0.125  0.126  1.0
  O  O18  1  0.134  0.120  0.369  1.0
  O  O19  1  0.893  0.118  0.118  1.0
  O  O20  1  0.122  0.114  0.886  1.0
  O  O21  1  0.121  0.886  0.113  1.0
  O  O22  1  0.895  0.882  0.882  1.0
  O  O23  1  0.893  0.532  0.528  1.0
  O  O24  1  0.494  0.509  0.004  1.0
  O  O25  1  0.478  0.970  0.505  1.0
  O  O26  1  0.552  0.507  0.365  1.0
  O  O27  1  0.385  0.410  0.569  1.0
  O  O28  1  0.405  0.503  0.437  1.0
  O  O29  1  0.753  0.561  0.582  1.0
[/CIF]
.
The compound described by (Fe4As3O16)2(O2)7 crystallizes in the triclinic P1 space group. The structure consists of one 7782-44-7 molecule, one trioxidane molecule, and two water atoms inside a Fe4As3O16 framework. In the Fe4As3O16 framework, there are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(14), one O(15), one O(16), one O(2), and one O(3) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(13), one O(15), one O(16), one O(4), one O(5), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(13), one O(14), one O(16), one O(7), one O(8), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(4)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(11), one O(12), one O(13), one O(14), and one O(15) atom to form FeO6 octahedra that share  a cornercorner with one As(1)O4 tetrahedra,  a cornercorner with one As(2)O4 tetrahedra,  a cornercorner with one As(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Fe(3)O6 octahedra. There are three inequivalent As sites. In the first As site, As(1) is bonded to one O(11), one O(2), one O(5), and one O(8) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-55°. In the second As site, As(2) is bonded to one O(12), one O(3), one O(6), and one O(9) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the third As site, As(3) is bonded to one O(1), one O(10), one O(4), and one O(7) atom to form AsO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, and  a cornercorner with one Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(3) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Fe(1) and one As(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(3) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Fe(2) and one As(2) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(3) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(1) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Fe(3) and one As(2) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(3) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(1) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Fe(4) and one As(2) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal non-coplanar geometry to one Fe(2), one Fe(3), and one Fe(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(3), and one Fe(4) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal non-coplanar geometry to one Fe(1), one Fe(2), and one Fe(3) atom. is represented by the CIF card [CIF]
data_Fe4As3O23
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.917
_cell_length_b   7.925
_cell_length_c   7.943
_cell_angle_alpha   88.665
_cell_angle_beta   89.426
_cell_angle_gamma   89.626
_symmetry_Int_Tables_number   1
_cell_volume   498.200
_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
  Fe  Fe0  1  0.133  0.868  0.868  1.0
  Fe  Fe1  1  0.860  0.861  0.143  1.0
  Fe  Fe2  1  0.860  0.142  0.860  1.0
  Fe  Fe3  1  0.131  0.130  0.130  1.0
  As  As4  1  0.495  0.998  0.999  1.0
  As  As5  1  0.000  0.003  0.500  1.0
  As  As6  1  0.000  0.500  0.003  1.0
  O  O7  1  0.134  0.627  0.881  1.0
  O  O8  1  0.376  0.871  0.872  1.0
  O  O9  1  0.135  0.883  0.627  1.0
  O  O10  1  0.879  0.615  0.139  1.0
  O  O11  1  0.617  0.871  0.127  1.0
  O  O12  1  0.876  0.871  0.387  1.0
  O  O13  1  0.876  0.387  0.872  1.0
  O  O14  1  0.617  0.127  0.873  1.0
  O  O15  1  0.880  0.139  0.616  1.0
  O  O16  1  0.135  0.370  0.119  1.0
  O  O17  1  0.372  0.125  0.126  1.0
  O  O18  1  0.134  0.120  0.369  1.0
  O  O19  1  0.893  0.118  0.118  1.0
  O  O20  1  0.122  0.114  0.886  1.0
  O  O21  1  0.121  0.886  0.113  1.0
  O  O22  1  0.895  0.882  0.882  1.0
  O  O23  1  0.893  0.532  0.528  1.0
  O  O24  1  0.494  0.509  0.004  1.0
  O  O25  1  0.478  0.970  0.505  1.0
  O  O26  1  0.552  0.507  0.365  1.0
  O  O27  1  0.385  0.410  0.569  1.0
  O  O28  1  0.405  0.503  0.437  1.0
  O  O29  1  0.753  0.561  0.582  1.0
[/CIF]
.