The crystal structure described by Sr3Be2B5HO13 crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(5), one O(7), one O(8), two equivalent O(1), and two equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms. Be(1) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form BeO4 tetrahedra that share  a cornercorner with one Be(1)O4 tetrahedra and  a cornercorner with one B(4)O4 tetrahedra. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(4) and two equivalent O(6) atoms. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(5), one O(7), and one O(8) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(2) and two equivalent O(1) atoms. In the fourth B site, B(4) is bonded to one O(3), one O(4), and two equivalent O(7) atoms to form BO4 tetrahedra that share corners with two equivalent Be(1)O4 tetrahedra. H(1) is bonded in a single-bond geometry to one O(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one B(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one B(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Be(1), one B(4), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Sr(1), one B(1), and one B(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one Be(1), and one B(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Sr(1), one Be(1), and one B(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one B(2), and one B(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one Be(1), and one B(2) atom. is represented by the CIF card [CIF]
data_Sr3Be2B5HO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.706
_cell_length_b   6.706
_cell_length_c   6.619
_cell_angle_alpha   76.866
_cell_angle_beta   76.866
_cell_angle_gamma   101.580
_symmetry_Int_Tables_number   1
_cell_volume   272.144
_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
  Sr  Sr0  1  0.017  0.592  0.982  1.0
  Sr  Sr1  1  0.008  0.008  0.410  1.0
  Sr  Sr2  1  0.592  0.017  0.982  1.0
  Be  Be3  1  0.708  0.427  0.570  1.0
  Be  Be4  1  0.427  0.708  0.570  1.0
  B  B5  1  0.558  0.558  0.907  1.0
  B  B6  1  0.104  0.567  0.433  1.0
  B  B7  1  0.567  0.104  0.433  1.0
  B  B8  1  0.047  0.047  0.954  1.0
  B  B9  1  0.426  0.426  0.307  1.0
  H  H10  1  0.374  0.374  0.627  1.0
  O  O11  1  0.964  0.197  0.036  1.0
  O  O12  1  0.959  0.959  0.811  1.0
  O  O13  1  0.197  0.964  0.036  1.0
  O  O14  1  0.483  0.483  0.506  1.0
  O  O15  1  0.576  0.576  0.114  1.0
  O  O16  1  0.913  0.586  0.397  1.0
  O  O17  1  0.586  0.913  0.397  1.0
  O  O18  1  0.439  0.672  0.815  1.0
  O  O19  1  0.205  0.436  0.329  1.0
  O  O20  1  0.673  0.186  0.561  1.0
  O  O21  1  0.672  0.439  0.815  1.0
  O  O22  1  0.186  0.673  0.561  1.0
  O  O23  1  0.436  0.205  0.329  1.0
[/CIF]
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The crystal structure described by Sr3Be2B5HO13 crystallizes in the monoclinic Cm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(5), one O(7), one O(8), two equivalent O(1), and two equivalent O(6) atoms. In the second Sr site, Sr(2) is bonded in a 9-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(5), two equivalent O(7), and two equivalent O(8) atoms. Be(1) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form BeO4 tetrahedra that share  a cornercorner with one Be(1)O4 tetrahedra and  a cornercorner with one B(4)O4 tetrahedra. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(4) and two equivalent O(6) atoms. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(5), one O(7), and one O(8) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(2) and two equivalent O(1) atoms. In the fourth B site, B(4) is bonded to one O(3), one O(4), and two equivalent O(7) atoms to form BO4 tetrahedra that share corners with two equivalent Be(1)O4 tetrahedra. H(1) is bonded in a single-bond geometry to one O(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one B(3) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Sr(1), and one B(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Be(1), one B(4), and one H(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to two equivalent Sr(1), one B(1), and one B(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one Be(1), and one B(2) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Sr(1), one Be(1), and one B(1) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one B(2), and one B(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Sr(1), one Sr(2), one Be(1), and one B(2) atom. is represented by the CIF card [CIF]
data_Sr3Be2B5HO13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.706
_cell_length_b   6.706
_cell_length_c   6.619
_cell_angle_alpha   76.866
_cell_angle_beta   76.866
_cell_angle_gamma   101.580
_symmetry_Int_Tables_number   1
_cell_volume   272.144
_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
  Sr  Sr0  1  0.017  0.592  0.982  1.0
  Sr  Sr1  1  0.008  0.008  0.410  1.0
  Sr  Sr2  1  0.592  0.017  0.982  1.0
  Be  Be3  1  0.708  0.427  0.570  1.0
  Be  Be4  1  0.427  0.708  0.570  1.0
  B  B5  1  0.558  0.558  0.907  1.0
  B  B6  1  0.104  0.567  0.433  1.0
  B  B7  1  0.567  0.104  0.433  1.0
  B  B8  1  0.047  0.047  0.954  1.0
  B  B9  1  0.426  0.426  0.307  1.0
  H  H10  1  0.374  0.374  0.627  1.0
  O  O11  1  0.964  0.197  0.036  1.0
  O  O12  1  0.959  0.959  0.811  1.0
  O  O13  1  0.197  0.964  0.036  1.0
  O  O14  1  0.483  0.483  0.506  1.0
  O  O15  1  0.576  0.576  0.114  1.0
  O  O16  1  0.913  0.586  0.397  1.0
  O  O17  1  0.586  0.913  0.397  1.0
  O  O18  1  0.439  0.672  0.815  1.0
  O  O19  1  0.205  0.436  0.329  1.0
  O  O20  1  0.673  0.186  0.561  1.0
  O  O21  1  0.672  0.439  0.815  1.0
  O  O22  1  0.186  0.673  0.561  1.0
  O  O23  1  0.436  0.205  0.329  1.0
[/CIF]
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