The structure described by CaMn3Zn(SiO3)5 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(2), one O(5), and one O(9) atom. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form MnO6 octahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(5)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Mn(3)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(2), one O(4), one O(8), one O(9), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. In the third Mn site, Mn(3) is bonded to one O(14), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted MnO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Si(5)O4 tetrahedra. Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(15), one O(6), and one O(7) atom. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(11), one O(15), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 54-67°. In the second Si site, Si(2) is bonded to one O(11), one O(12), one O(2), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-63°. In the third Si site, Si(3) is bonded to one O(12), one O(13), one O(3), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-64°. In the fourth Si site, Si(4) is bonded to one O(10), one O(13), one O(14), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-68°. In the fifth Si site, Si(5) is bonded to one O(14), one O(15), one O(5), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  an edgeedge with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 15-61°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mn(1), one Zn(1), and one Si(1) atom to form distorted OMn2ZnSi tetrahedra that share corners with two equivalent O(4)Mn3Si tetrahedra, corners with two equivalent O(2)CaMn2Si trigonal pyramids, and  an edgeedge with one O(1)Mn2ZnSi tetrahedra. In the second O site, O(2) is bonded to one Ca(1), one Mn(1), one Mn(2), and one Si(2) atom to form distorted OCaMn2Si trigonal pyramids that share corners with two equivalent O(1)Mn2ZnSi tetrahedra and  an edgeedge with one O(4)Mn3Si tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(2), and one Si(3) atom. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Si(4) atom to form distorted OMn3Si tetrahedra that share corners with two equivalent O(1)Mn2ZnSi tetrahedra and  an edgeedge with one O(2)CaMn2Si trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Ca(1), one Mn(1), and one Si(5) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(3), one Zn(1), and one Si(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(3), one Zn(1), and one Si(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ca(1), one Mn(2), and one Si(3) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ca(1), one Zn(1), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Ca(1), one Si(1), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ca(1), one Si(2), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Ca(1), one Si(3), and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(3), one Si(4), and one Si(5) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Zn(1), one Si(1), and one Si(5) atom. is represented by the CIF card [CIF]
data_CaMn3Zn(SiO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.797
_cell_length_b   7.813
_cell_length_c   11.860
_cell_angle_alpha   105.374
_cell_angle_beta   92.001
_cell_angle_gamma   93.599
_symmetry_Int_Tables_number   1
_cell_volume   605.277
_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
  Ca  Ca0  1  0.632  0.046  0.696  1.0
  Ca  Ca1  1  0.368  0.954  0.304  1.0
  Mn  Mn2  1  0.966  0.883  0.854  1.0
  Mn  Mn3  1  0.034  0.117  0.146  1.0
  Mn  Mn4  1  0.874  0.683  0.556  1.0
  Mn  Mn5  1  0.126  0.317  0.444  1.0
  Mn  Mn6  1  0.813  0.491  0.271  1.0
  Mn  Mn7  1  0.187  0.509  0.729  1.0
  Zn  Zn8  1  0.808  0.315  0.980  1.0
  Zn  Zn9  1  0.192  0.685  0.020  1.0
  Si  Si10  1  0.759  0.741  0.088  1.0
  Si  Si11  1  0.241  0.259  0.912  1.0
  Si  Si12  1  0.848  0.926  0.346  1.0
  Si  Si13  1  0.152  0.074  0.654  1.0
  Si  Si14  1  0.639  0.268  0.472  1.0
  Si  Si15  1  0.361  0.732  0.528  1.0
  Si  Si16  1  0.708  0.460  0.742  1.0
  Si  Si17  1  0.292  0.540  0.258  1.0
  Si  Si18  1  0.501  0.776  0.878  1.0
  Si  Si19  1  0.499  0.224  0.122  1.0
  O  O20  1  0.050  0.164  0.961  1.0
  O  O21  1  0.950  0.836  0.039  1.0
  O  O22  1  0.961  0.955  0.678  1.0
  O  O23  1  0.039  0.045  0.322  1.0
  O  O24  1  0.191  0.600  0.563  1.0
  O  O25  1  0.809  0.400  0.437  1.0
  O  O26  1  0.107  0.401  0.267  1.0
  O  O27  1  0.893  0.599  0.733  1.0
  O  O28  1  0.345  0.075  0.148  1.0
  O  O29  1  0.655  0.925  0.852  1.0
  O  O30  1  0.263  0.796  0.876  1.0
  O  O31  1  0.737  0.204  0.124  1.0
  O  O32  1  0.812  0.547  0.099  1.0
  O  O33  1  0.188  0.453  0.901  1.0
  O  O34  1  0.889  0.751  0.389  1.0
  O  O35  1  0.111  0.249  0.611  1.0
  O  O36  1  0.420  0.255  0.414  1.0
  O  O37  1  0.580  0.745  0.586  1.0
  O  O38  1  0.745  0.326  0.823  1.0
  O  O39  1  0.255  0.674  0.177  1.0
  O  O40  1  0.705  0.860  0.221  1.0
  O  O41  1  0.295  0.140  0.779  1.0
  O  O42  1  0.701  0.055  0.435  1.0
  O  O43  1  0.299  0.945  0.565  1.0
  O  O44  1  0.635  0.314  0.616  1.0
  O  O45  1  0.365  0.686  0.384  1.0
  O  O46  1  0.514  0.577  0.780  1.0
  O  O47  1  0.486  0.423  0.220  1.0
  O  O48  1  0.560  0.739  0.006  1.0
  O  O49  1  0.440  0.261  0.994  1.0
[/CIF]
.
The structure described by CaMn3Zn(SiO3)5 crystallizes in the triclinic P-1 space group. Ca(1) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(2), one O(5), and one O(9) atom. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one O(4), one O(5), one O(6), and two equivalent O(1) atoms to form MnO6 octahedra that share  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(1)O4 tetrahedra, corners with two equivalent Si(5)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Mn(3)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(2), one O(4), one O(8), one O(9), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one Si(4)O4 tetrahedra, corners with two equivalent Si(2)O4 tetrahedra, corners with three equivalent Si(3)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. In the third Mn site, Mn(3) is bonded to one O(14), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form distorted MnO6 octahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(3)O4 tetrahedra, corners with two equivalent Si(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and  an edgeedge with one Si(5)O4 tetrahedra. Zn(1) is bonded in a 5-coordinate geometry to one O(1), one O(10), one O(15), one O(6), and one O(7) atom. There are five inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(11), one O(15), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 54-67°. In the second Si site, Si(2) is bonded to one O(11), one O(12), one O(2), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra, and  a cornercorner with one Si(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-63°. In the third Si site, Si(3) is bonded to one O(12), one O(13), one O(3), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(3)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra,  a cornercorner with one Si(2)O4 tetrahedra, and  a cornercorner with one Si(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 34-64°. In the fourth Si site, Si(4) is bonded to one O(10), one O(13), one O(14), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a cornercorner with one Si(3)O4 tetrahedra, and  a cornercorner with one Si(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 49-68°. In the fifth Si site, Si(5) is bonded to one O(14), one O(15), one O(5), and one O(6) atom to form SiO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra, and  an edgeedge with one Mn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 15-61°. There are fifteen inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Mn(1), one Zn(1), and one Si(1) atom to form distorted OMn2ZnSi tetrahedra that share corners with two equivalent O(4)Mn3Si tetrahedra, corners with two equivalent O(2)CaMn2Si trigonal pyramids, and  an edgeedge with one O(1)Mn2ZnSi tetrahedra. In the second O site, O(2) is bonded to one Ca(1), one Mn(1), one Mn(2), and one Si(2) atom to form distorted OCaMn2Si trigonal pyramids that share corners with two equivalent O(1)Mn2ZnSi tetrahedra and  an edgeedge with one O(4)Mn3Si tetrahedra. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Mn(3), two equivalent Mn(2), and one Si(3) atom. In the fourth O site, O(4) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Si(4) atom to form distorted OMn3Si tetrahedra that share corners with two equivalent O(1)Mn2ZnSi tetrahedra and  an edgeedge with one O(2)CaMn2Si trigonal pyramid. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Ca(1), one Mn(1), and one Si(5) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mn(1), one Mn(3), one Zn(1), and one Si(5) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to one Mn(3), one Zn(1), and one Si(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Si(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Ca(1), one Mn(2), and one Si(3) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Ca(1), one Zn(1), and one Si(4) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Ca(1), one Si(1), and one Si(2) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Ca(1), one Si(2), and one Si(3) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Ca(1), one Si(3), and one Si(4) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Mn(3), one Si(4), and one Si(5) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one Zn(1), one Si(1), and one Si(5) atom. is represented by the CIF card [CIF]
data_CaMn3Zn(SiO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.797
_cell_length_b   7.813
_cell_length_c   11.860
_cell_angle_alpha   105.374
_cell_angle_beta   92.001
_cell_angle_gamma   93.599
_symmetry_Int_Tables_number   1
_cell_volume   605.277
_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
  Ca  Ca0  1  0.632  0.046  0.696  1.0
  Ca  Ca1  1  0.368  0.954  0.304  1.0
  Mn  Mn2  1  0.966  0.883  0.854  1.0
  Mn  Mn3  1  0.034  0.117  0.146  1.0
  Mn  Mn4  1  0.874  0.683  0.556  1.0
  Mn  Mn5  1  0.126  0.317  0.444  1.0
  Mn  Mn6  1  0.813  0.491  0.271  1.0
  Mn  Mn7  1  0.187  0.509  0.729  1.0
  Zn  Zn8  1  0.808  0.315  0.980  1.0
  Zn  Zn9  1  0.192  0.685  0.020  1.0
  Si  Si10  1  0.759  0.741  0.088  1.0
  Si  Si11  1  0.241  0.259  0.912  1.0
  Si  Si12  1  0.848  0.926  0.346  1.0
  Si  Si13  1  0.152  0.074  0.654  1.0
  Si  Si14  1  0.639  0.268  0.472  1.0
  Si  Si15  1  0.361  0.732  0.528  1.0
  Si  Si16  1  0.708  0.460  0.742  1.0
  Si  Si17  1  0.292  0.540  0.258  1.0
  Si  Si18  1  0.501  0.776  0.878  1.0
  Si  Si19  1  0.499  0.224  0.122  1.0
  O  O20  1  0.050  0.164  0.961  1.0
  O  O21  1  0.950  0.836  0.039  1.0
  O  O22  1  0.961  0.955  0.678  1.0
  O  O23  1  0.039  0.045  0.322  1.0
  O  O24  1  0.191  0.600  0.563  1.0
  O  O25  1  0.809  0.400  0.437  1.0
  O  O26  1  0.107  0.401  0.267  1.0
  O  O27  1  0.893  0.599  0.733  1.0
  O  O28  1  0.345  0.075  0.148  1.0
  O  O29  1  0.655  0.925  0.852  1.0
  O  O30  1  0.263  0.796  0.876  1.0
  O  O31  1  0.737  0.204  0.124  1.0
  O  O32  1  0.812  0.547  0.099  1.0
  O  O33  1  0.188  0.453  0.901  1.0
  O  O34  1  0.889  0.751  0.389  1.0
  O  O35  1  0.111  0.249  0.611  1.0
  O  O36  1  0.420  0.255  0.414  1.0
  O  O37  1  0.580  0.745  0.586  1.0
  O  O38  1  0.745  0.326  0.823  1.0
  O  O39  1  0.255  0.674  0.177  1.0
  O  O40  1  0.705  0.860  0.221  1.0
  O  O41  1  0.295  0.140  0.779  1.0
  O  O42  1  0.701  0.055  0.435  1.0
  O  O43  1  0.299  0.945  0.565  1.0
  O  O44  1  0.635  0.314  0.616  1.0
  O  O45  1  0.365  0.686  0.384  1.0
  O  O46  1  0.514  0.577  0.780  1.0
  O  O47  1  0.486  0.423  0.220  1.0
  O  O48  1  0.560  0.739  0.006  1.0
  O  O49  1  0.440  0.261  0.994  1.0
[/CIF]
.