The compound described by FePbGe3H4O10 crystallizes in the monoclinic P2_1/m space group. Fe(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with four equivalent Ge(2)O4 tetrahedra, and edges with two equivalent Ge(1)O6 octahedra. The corner-sharing octahedral tilt angles are 69°. Pb(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(3) atoms to form distorted PbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Ge(1)O6 octahedra, and corners with six equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 63-69°. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form GeO6 octahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with four equivalent Ge(2)O4 tetrahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 63°. In the second Ge site, Ge(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form GeO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Ge(1)O6 octahedra, corners with three equivalent Pb(1)O6 octahedra, and  a cornercorner with one Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-68°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one Fe(1), one Ge(1), and one H(1) atom. In the second O site, O(6) is bonded in a water-like geometry to one Pb(1) and two equivalent H(2) atoms. In the third O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Pb(1) and two equivalent Ge(2) atoms. In the fourth O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Pb(1), one Ge(1), and one Ge(2) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to one Fe(1), one Pb(1), and one Ge(2) atom. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Fe(1), one Ge(1), and one Ge(2) atom. is represented by the CIF file [CIF]
data_FeGe3H4PbO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.480
_cell_length_b   6.017
_cell_length_c   13.750
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   112.163
_symmetry_Int_Tables_number   1
_cell_volume   419.941
_cell_formula_units_Z   2
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  0.000  0.500  0.500  1.0
  Fe  Fe1  1  0.000  0.500  0.000  1.0
  Ge  Ge2  1  0.500  0.000  0.500  1.0
  Ge  Ge3  1  0.500  0.000  0.000  1.0
  Ge  Ge4  1  0.002  0.963  0.629  1.0
  Ge  Ge5  1  0.998  0.037  0.129  1.0
  Ge  Ge6  1  0.998  0.037  0.371  1.0
  Ge  Ge7  1  0.002  0.963  0.871  1.0
  H  H8  1  0.540  0.637  0.565  1.0
  H  H9  1  0.460  0.363  0.065  1.0
  H  H10  1  0.460  0.363  0.435  1.0
  H  H11  1  0.540  0.637  0.935  1.0
  H  H12  1  0.652  0.350  0.310  1.0
  H  H13  1  0.348  0.650  0.810  1.0
  H  H14  1  0.348  0.650  0.690  1.0
  H  H15  1  0.652  0.350  0.190  1.0
  Pb  Pb16  1  0.323  0.647  0.250  1.0
  Pb  Pb17  1  0.677  0.353  0.750  1.0
  O  O18  1  0.068  0.968  0.250  1.0
  O  O19  1  0.932  0.032  0.750  1.0
  O  O20  1  0.347  0.100  0.611  1.0
  O  O21  1  0.653  0.900  0.111  1.0
  O  O22  1  0.653  0.900  0.389  1.0
  O  O23  1  0.347  0.100  0.889  1.0
  O  O24  1  0.854  0.649  0.887  1.0
  O  O25  1  0.146  0.351  0.387  1.0
  O  O26  1  0.146  0.351  0.113  1.0
  O  O27  1  0.854  0.649  0.613  1.0
  O  O28  1  0.841  0.126  0.562  1.0
  O  O29  1  0.159  0.874  0.062  1.0
  O  O30  1  0.159  0.874  0.438  1.0
  O  O31  1  0.841  0.126  0.938  1.0
  O  O32  1  0.390  0.690  0.558  1.0
  O  O33  1  0.610  0.310  0.058  1.0
  O  O34  1  0.610  0.310  0.442  1.0
  O  O35  1  0.390  0.690  0.942  1.0
  O  O36  1  0.674  0.449  0.250  1.0
  O  O37  1  0.326  0.551  0.750  1.0
[/CIF]
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The compound described by FePbGe3H4O10 crystallizes in the monoclinic P2_1/m space group. Fe(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with four equivalent Ge(2)O4 tetrahedra, and edges with two equivalent Ge(1)O6 octahedra. The corner-sharing octahedral tilt angles are 69°. Pb(1) is bonded to one O(1), one O(6), two equivalent O(2), and two equivalent O(3) atoms to form distorted PbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Ge(1)O6 octahedra, and corners with six equivalent Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 63-69°. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form GeO6 octahedra that share corners with two equivalent Pb(1)O6 octahedra, corners with four equivalent Ge(2)O4 tetrahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles are 63°. In the second Ge site, Ge(2) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form GeO4 tetrahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Ge(1)O6 octahedra, corners with three equivalent Pb(1)O6 octahedra, and  a cornercorner with one Ge(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-68°. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. There are six inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to one Fe(1), one Ge(1), and one H(1) atom. In the second O site, O(6) is bonded in a water-like geometry to one Pb(1) and two equivalent H(2) atoms. In the third O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Pb(1) and two equivalent Ge(2) atoms. In the fourth O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Pb(1), one Ge(1), and one Ge(2) atom. In the fifth O site, O(3) is bonded in a 2-coordinate geometry to one Fe(1), one Pb(1), and one Ge(2) atom. In the sixth O site, O(4) is bonded in a distorted trigonal planar geometry to one Fe(1), one Ge(1), and one Ge(2) atom. is represented by the CIF file [CIF]
data_FeGe3H4PbO10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.480
_cell_length_b   6.017
_cell_length_c   13.750
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   112.163
_symmetry_Int_Tables_number   1
_cell_volume   419.941
_cell_formula_units_Z   2
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  0.000  0.500  0.500  1.0
  Fe  Fe1  1  0.000  0.500  0.000  1.0
  Ge  Ge2  1  0.500  0.000  0.500  1.0
  Ge  Ge3  1  0.500  0.000  0.000  1.0
  Ge  Ge4  1  0.002  0.963  0.629  1.0
  Ge  Ge5  1  0.998  0.037  0.129  1.0
  Ge  Ge6  1  0.998  0.037  0.371  1.0
  Ge  Ge7  1  0.002  0.963  0.871  1.0
  H  H8  1  0.540  0.637  0.565  1.0
  H  H9  1  0.460  0.363  0.065  1.0
  H  H10  1  0.460  0.363  0.435  1.0
  H  H11  1  0.540  0.637  0.935  1.0
  H  H12  1  0.652  0.350  0.310  1.0
  H  H13  1  0.348  0.650  0.810  1.0
  H  H14  1  0.348  0.650  0.690  1.0
  H  H15  1  0.652  0.350  0.190  1.0
  Pb  Pb16  1  0.323  0.647  0.250  1.0
  Pb  Pb17  1  0.677  0.353  0.750  1.0
  O  O18  1  0.068  0.968  0.250  1.0
  O  O19  1  0.932  0.032  0.750  1.0
  O  O20  1  0.347  0.100  0.611  1.0
  O  O21  1  0.653  0.900  0.111  1.0
  O  O22  1  0.653  0.900  0.389  1.0
  O  O23  1  0.347  0.100  0.889  1.0
  O  O24  1  0.854  0.649  0.887  1.0
  O  O25  1  0.146  0.351  0.387  1.0
  O  O26  1  0.146  0.351  0.113  1.0
  O  O27  1  0.854  0.649  0.613  1.0
  O  O28  1  0.841  0.126  0.562  1.0
  O  O29  1  0.159  0.874  0.062  1.0
  O  O30  1  0.159  0.874  0.438  1.0
  O  O31  1  0.841  0.126  0.938  1.0
  O  O32  1  0.390  0.690  0.558  1.0
  O  O33  1  0.610  0.310  0.058  1.0
  O  O34  1  0.610  0.310  0.442  1.0
  O  O35  1  0.390  0.690  0.942  1.0
  O  O36  1  0.674  0.449  0.250  1.0
  O  O37  1  0.326  0.551  0.750  1.0
[/CIF]
.