data_Sr2ZrBe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.92
_cell_length_b   4.92
_cell_length_c   4.86
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2ZrBe
_chemical_formula_sum   'Sr2 Zr1 Be1'
_cell_volume   117.91
_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  Sr1  1  0.0  0.46  0.43  1.0
  Sr  Sr2  1  0.46  0.0  0.43  1.0
  Zr  Zr3  1  0.46  0.46  0.0  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0

data_Sr2ZrBe
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.96
_cell_length_b   6.96
_cell_length_c   4.86
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sr2ZrBe
_chemical_formula_sum   'Sr4 Zr2 Be2'
_cell_volume   235.83
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  4  0.23  0.23  0.43  1.0
  Zr  Zr1  2  0.46  0.0  0.0  1.0
  Be  Be2  2  0.0  0.0  0.0  1.0

Sr Sr Zr Be
Sr Sr Zr Be 0 1 - o o 0 1 - + o 0 1 o o o 0 1 o + o 0 2 - o o 0 2 - o + 0 2 o o o 0 2 o o + 0 3 o o o 0 3 o o + 0 3 o + o 0 3 o + + 1 3 o o o 1 3 o o + 1 3 + o o 1 3 + o + 1 2 o - o 1 2 o - + 1 2 o o o 1 2 o o + 2 3 o o o 2 3 o + o 2 3 + o o 2 3 + + o 
Sr2BeZr crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a 11-coordinate geometry to four equivalent Sr(1), three equivalent Be(1), and four equivalent Zr(1) atoms. There are a spread of Sr(1)-Sr(1) bond distances ranging from 3.22-3.75 Å. There are a spread of Sr(1)-Be(1) bond distances ranging from 3.10-3.58 Å. There are a spread of Sr(1)-Zr(1) bond distances ranging from 3.10-3.83 Å. Be(1) is bonded in a 7-coordinate geometry to six equivalent Sr(1) and one Zr(1) atom. The Be(1)-Zr(1) bond length is 3.22 Å. Zr(1) is bonded in a 9-coordinate geometry to eight equivalent Sr(1) and one Be(1) atom.