The structure described by MgSiO4 is beta Vanadium nitride-derived structured and crystallizes in the monoclinic P2/m space group. Mg(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form MgO6 octahedra that share corners with eight equivalent Si(1)O6 octahedra and edges with two equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. Si(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form SiO6 octahedra that share corners with eight equivalent Mg(1)O6 octahedra and edges with two equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1) and two equivalent Si(1) atoms. In the second O site, O(2) is bonded in a distorted T-shaped geometry to two equivalent Mg(1) and one Si(1) atom. is represented by the CIF card [CIF]
data_MgSiO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.836
_cell_length_b   4.498
_cell_length_c   4.626
_cell_angle_alpha   86.611
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   58.912
_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
  Mg  Mg0  1  0.500  0.500  0.500  1.0
  Si  Si1  1  0.000  0.000  0.000  1.0
  O  O2  1  0.500  0.196  0.161  1.0
  O  O3  1  0.500  0.804  0.839  1.0
  O  O4  1  0.000  0.250  0.714  1.0
  O  O5  1  0.000  0.750  0.286  1.0
[/CIF]
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The structure described by MgSiO4 is beta Vanadium nitride-derived structured and crystallizes in the monoclinic P2/m space group. Mg(1) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form MgO6 octahedra that share corners with eight equivalent Si(1)O6 octahedra and edges with two equivalent Mg(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. Si(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form SiO6 octahedra that share corners with eight equivalent Mg(1)O6 octahedra and edges with two equivalent Si(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 45-51°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mg(1) and two equivalent Si(1) atoms. In the second O site, O(2) is bonded in a distorted T-shaped geometry to two equivalent Mg(1) and one Si(1) atom. is represented by the CIF card [CIF]
data_MgSiO4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.836
_cell_length_b   4.498
_cell_length_c   4.626
_cell_angle_alpha   86.611
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   58.912
_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
  Mg  Mg0  1  0.500  0.500  0.500  1.0
  Si  Si1  1  0.000  0.000  0.000  1.0
  O  O2  1  0.500  0.196  0.161  1.0
  O  O3  1  0.500  0.804  0.839  1.0
  O  O4  1  0.000  0.250  0.714  1.0
  O  O5  1  0.000  0.750  0.286  1.0
[/CIF]
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