The material described by Fe10O19F is Hydrophilite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(7), two equivalent O(4), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(6)O5F octahedra, corners with four equivalent Fe(4)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one O(7), one O(8), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with four equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(5)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form a mixture of corner and edge-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with four equivalent Fe(1)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(6)O5F octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-53°. In the fifth Fe site, Fe(5) is bonded to one O(2), one O(8), two equivalent O(5), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the sixth Fe site, Fe(6) is bonded to one O(3), four equivalent O(4), and one F(1) atom to form FeO5F octahedra that share corners with eight equivalent Fe(1)O5F octahedra and edges with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted trigonal planar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the second O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(3), and one Fe(5) atom. In the third O site, O(1) is bonded in a distorted trigonal planar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the fourth O site, O(2) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(3), and one Fe(5) atom. In the fifth O site, O(3) is bonded in a trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. In the sixth O site, O(4) is bonded in a trigonal planar geometry to one Fe(1), one Fe(4), and one Fe(6) atom. In the seventh O site, O(5) is bonded in a trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(5) atom. In the eighth O site, O(6) is bonded in a trigonal planar geometry to one Fe(3) and two equivalent Fe(5) atoms. F(1) is bonded in a distorted trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. is represented by the CIF file [CIF]
data_Fe10O19F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.640
_cell_length_b   4.640
_cell_length_c   14.815
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.859
_symmetry_Int_Tables_number   1
_cell_volume   318.988
_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  0.994  0.006  0.895  1.0
  Fe  Fe1  1  0.998  0.002  0.698  1.0
  Fe  Fe2  1  0.999  0.001  0.500  1.0
  Fe  Fe3  1  0.998  0.002  0.302  1.0
  Fe  Fe4  1  0.994  0.006  0.105  1.0
  Fe  Fe5  1  0.498  0.502  0.799  1.0
  Fe  Fe6  1  0.499  0.501  0.400  1.0
  Fe  Fe7  1  0.499  0.501  0.600  1.0
  Fe  Fe8  1  0.498  0.502  0.201  1.0
  Fe  Fe9  1  0.520  0.480  0.000  1.0
  O  O10  1  0.805  0.195  0.794  1.0
  O  O11  1  0.811  0.189  0.599  1.0
  O  O12  1  0.811  0.189  0.401  1.0
  O  O13  1  0.805  0.195  0.206  1.0
  O  O14  1  0.818  0.182  0.000  1.0
  O  O15  1  0.310  0.306  0.900  1.0
  O  O16  1  0.307  0.312  0.699  1.0
  O  O17  1  0.309  0.310  0.500  1.0
  O  O18  1  0.307  0.312  0.301  1.0
  O  O19  1  0.310  0.306  0.100  1.0
  O  O20  1  0.694  0.690  0.900  1.0
  O  O21  1  0.688  0.693  0.699  1.0
  O  O22  1  0.690  0.691  0.500  1.0
  O  O23  1  0.688  0.693  0.301  1.0
  O  O24  1  0.694  0.690  0.100  1.0
  O  O25  1  0.188  0.812  0.796  1.0
  O  O26  1  0.187  0.813  0.401  1.0
  O  O27  1  0.187  0.813  0.599  1.0
  O  O28  1  0.188  0.812  0.204  1.0
  F  F29  1  0.202  0.798  0.000  1.0
[/CIF]
.
The material described by Fe10O19F is Hydrophilite-derived structured and crystallizes in the orthorhombic Amm2 space group. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(7), two equivalent O(4), and one F(1) atom to form FeO5F octahedra that share corners with four equivalent Fe(6)O5F octahedra, corners with four equivalent Fe(4)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one O(7), one O(8), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with four equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(5)O6 octahedra,  an edgeedge with one Fe(1)O5F octahedra, and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-50°. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form a mixture of corner and edge-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(7), two equivalent O(4), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with four equivalent Fe(1)O5F octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(6)O5F octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-53°. In the fifth Fe site, Fe(5) is bonded to one O(2), one O(8), two equivalent O(5), and two equivalent O(6) atoms to form a mixture of corner and edge-sharing FeO6 octahedra. The corner-sharing octahedral tilt angles range from 49-50°. In the sixth Fe site, Fe(6) is bonded to one O(3), four equivalent O(4), and one F(1) atom to form FeO5F octahedra that share corners with eight equivalent Fe(1)O5F octahedra and edges with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. There are eight inequivalent O sites. In the first O site, O(7) is bonded in a distorted trigonal planar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the second O site, O(8) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(3), and one Fe(5) atom. In the third O site, O(1) is bonded in a distorted trigonal planar geometry to one Fe(1), one Fe(2), and one Fe(4) atom. In the fourth O site, O(2) is bonded in a distorted trigonal planar geometry to one Fe(2), one Fe(3), and one Fe(5) atom. In the fifth O site, O(3) is bonded in a trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. In the sixth O site, O(4) is bonded in a trigonal planar geometry to one Fe(1), one Fe(4), and one Fe(6) atom. In the seventh O site, O(5) is bonded in a trigonal planar geometry to one Fe(2), one Fe(4), and one Fe(5) atom. In the eighth O site, O(6) is bonded in a trigonal planar geometry to one Fe(3) and two equivalent Fe(5) atoms. F(1) is bonded in a distorted trigonal planar geometry to one Fe(6) and two equivalent Fe(1) atoms. is represented by the CIF file [CIF]
data_Fe10O19F
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.640
_cell_length_b   4.640
_cell_length_c   14.815
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.859
_symmetry_Int_Tables_number   1
_cell_volume   318.988
_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  0.994  0.006  0.895  1.0
  Fe  Fe1  1  0.998  0.002  0.698  1.0
  Fe  Fe2  1  0.999  0.001  0.500  1.0
  Fe  Fe3  1  0.998  0.002  0.302  1.0
  Fe  Fe4  1  0.994  0.006  0.105  1.0
  Fe  Fe5  1  0.498  0.502  0.799  1.0
  Fe  Fe6  1  0.499  0.501  0.400  1.0
  Fe  Fe7  1  0.499  0.501  0.600  1.0
  Fe  Fe8  1  0.498  0.502  0.201  1.0
  Fe  Fe9  1  0.520  0.480  0.000  1.0
  O  O10  1  0.805  0.195  0.794  1.0
  O  O11  1  0.811  0.189  0.599  1.0
  O  O12  1  0.811  0.189  0.401  1.0
  O  O13  1  0.805  0.195  0.206  1.0
  O  O14  1  0.818  0.182  0.000  1.0
  O  O15  1  0.310  0.306  0.900  1.0
  O  O16  1  0.307  0.312  0.699  1.0
  O  O17  1  0.309  0.310  0.500  1.0
  O  O18  1  0.307  0.312  0.301  1.0
  O  O19  1  0.310  0.306  0.100  1.0
  O  O20  1  0.694  0.690  0.900  1.0
  O  O21  1  0.688  0.693  0.699  1.0
  O  O22  1  0.690  0.691  0.500  1.0
  O  O23  1  0.688  0.693  0.301  1.0
  O  O24  1  0.694  0.690  0.100  1.0
  O  O25  1  0.188  0.812  0.796  1.0
  O  O26  1  0.187  0.813  0.401  1.0
  O  O27  1  0.187  0.813  0.599  1.0
  O  O28  1  0.188  0.812  0.204  1.0
  F  F29  1  0.202  0.798  0.000  1.0
[/CIF]
.