The crystal structure described by K3Al3Si3O16 crystallizes in the triclinic P1 space group. There are six inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(14), one O(19), one O(23), one O(29), one O(3), one O(31), one O(7), and one O(9) atom. In the second K site, K(2) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(13), one O(22), one O(24), one O(26), one O(29), one O(31), and one O(5) atom. In the third K site, K(3) is bonded in a 9-coordinate geometry to one O(10), one O(12), one O(15), one O(17), one O(21), one O(25), one O(26), one O(29), and one O(4) atom. In the fourth K site, K(4) is bonded in a 8-coordinate geometry to one O(10), one O(13), one O(20), one O(24), one O(25), one O(32), one O(4), and one O(8) atom. In the fifth K site, K(5) is bonded in a 8-coordinate geometry to one O(11), one O(16), one O(18), one O(22), one O(27), one O(3), one O(32), and one O(9) atom. In the sixth K site, K(6) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(2), one O(21), one O(23), one O(25), one O(27), and one O(6) atom. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(11), one O(7), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the second Al site, Al(2) is bonded to one O(10), one O(12), one O(2), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the third Al site, Al(3) is bonded to one O(17), one O(24), one O(4), and one O(5) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(18), one O(23), one O(3), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fifth Al site, Al(5) is bonded to one O(13), one O(16), one O(20), and one O(22) atom to form AlO4 tetrahedra 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, and  a cornercorner with one Si(4)O4 tetrahedra. In the sixth Al site, Al(6) is bonded to one O(14), one O(15), one O(19), and one O(21) atom to form AlO4 tetrahedra 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, and  a cornercorner with one Si(4)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(19), one O(22), one O(3), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(20), one O(21), one O(4), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(1), one O(10), one O(13), and one O(15) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(14), one O(16), one O(2), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(11), one O(18), one O(24), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(12), one O(17), one O(23), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one K(2), one Al(1), and one Si(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one K(6), one Al(2), and one Si(4) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(5), one Al(4), and one Si(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(4), one Al(3), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(2), one Al(3), and one Si(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one K(6), one Al(4), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one K(1), one Al(1), and one Si(6) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one K(4), one Al(2), and one Si(5) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(5), one Al(1), and one Si(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(4), one Al(2), and one Si(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), one Al(1), and one Si(5) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(6), one Al(2), and one Si(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(4), one Al(5), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(6), one Al(6), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one K(3), one Al(6), and one Si(3) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one K(5), one Al(5), and one Si(4) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one K(3), one Al(3), and one Si(6) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one K(5), one Al(4), and one Si(5) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one K(1), one Al(6), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a distorted bent 150 degrees geometry to one K(4), one Al(5), and one Si(2) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(6), one Al(6), and one Si(2) atom. In the twenty-second O site, O(22) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), one Al(5), and one Si(1) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(6), one Al(4), and one Si(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(4), one Al(3), and one Si(5) atom. In the twenty-fifth O site, O(25) is bonded in a trigonal non-coplanar geometry to one K(3), one K(4), and one K(6) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one K(2), one K(3), and one O(28) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one K(5), one K(6), and one O(30) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one O(26) and one O(31) atom. In the twenty-ninth O site, O(29) is bonded in a trigonal non-coplanar geometry to one K(1), one K(2), and one K(3) atom. In the thirtieth O site, O(30) is bonded in a bent 120 degrees geometry to one O(27) and one O(32) atom. In the thirty-first O site, O(31) is bonded in a 3-coordinate geometry to one K(1), one K(2), and one O(28) atom. In the thirty-second O site, O(32) is bonded in a trigonal non-coplanar geometry to one K(4), one K(5), and one O(30) atom. is represented by the CIF card [CIF]
data_K3Al3Si3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.289
_cell_length_b   9.303
_cell_length_c   9.331
_cell_angle_alpha   89.650
_cell_angle_beta   89.497
_cell_angle_gamma   89.159
_symmetry_Int_Tables_number   1
_cell_volume   806.160
_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
  K  K0  1  0.698  0.326  0.307  1.0
  K  K1  1  0.358  0.329  0.658  1.0
  K  K2  1  0.709  0.675  0.673  1.0
  K  K3  1  0.201  0.825  0.806  1.0
  K  K4  1  0.212  0.184  0.164  1.0
  K  K5  1  0.851  0.831  0.165  1.0
  Al  Al6  1  0.538  0.254  0.980  1.0
  Al  Al7  1  0.521  0.757  0.996  1.0
  Al  Al8  1  0.031  0.502  0.736  1.0
  Al  Al9  1  0.027  0.506  0.237  1.0
  Al  Al10  1  0.278  0.999  0.486  1.0
  Al  Al11  1  0.775  0.007  0.492  1.0
  Si  Si12  1  0.024  0.256  0.489  1.0
  Si  Si13  1  0.031  0.753  0.485  1.0
  Si  Si14  1  0.524  0.004  0.737  1.0
  Si  Si15  1  0.531  0.005  0.237  1.0
  Si  Si16  1  0.279  0.505  0.984  1.0
  Si  Si17  1  0.780  0.506  0.991  1.0
  O  O18  1  0.554  0.152  0.823  1.0
  O  O19  1  0.561  0.858  0.147  1.0
  O  O20  1  0.997  0.351  0.342  1.0
  O  O21  1  0.999  0.655  0.627  1.0
  O  O22  1  0.063  0.354  0.625  1.0
  O  O23  1  0.053  0.659  0.339  1.0
  O  O24  1  0.683  0.364  0.019  1.0
  O  O25  1  0.367  0.651  0.013  1.0
  O  O26  1  0.510  0.145  0.132  1.0
  O  O27  1  0.493  0.867  0.844  1.0
  O  O28  1  0.384  0.364  0.959  1.0
  O  O29  1  0.673  0.645  0.960  1.0
  O  O30  1  0.379  0.030  0.641  1.0
  O  O31  1  0.674  0.033  0.335  1.0
  O  O32  1  0.660  0.960  0.633  1.0
  O  O33  1  0.384  0.993  0.331  1.0
  O  O34  1  0.884  0.488  0.851  1.0
  O  O35  1  0.169  0.469  0.117  1.0
  O  O36  1  0.876  0.164  0.518  1.0
  O  O37  1  0.175  0.846  0.517  1.0
  O  O38  1  0.892  0.860  0.459  1.0
  O  O39  1  0.158  0.145  0.457  1.0
  O  O40  1  0.868  0.537  0.139  1.0
  O  O41  1  0.189  0.530  0.834  1.0
  O  O42  1  0.897  0.872  0.870  1.0
  O  O43  1  0.412  0.643  0.486  1.0
  O  O44  1  0.907  0.122  0.002  1.0
  O  O45  1  0.416  0.592  0.357  1.0
  O  O46  1  0.660  0.351  0.594  1.0
  O  O47  1  0.966  0.129  0.876  1.0
  O  O48  1  0.379  0.458  0.342  1.0
  O  O49  1  0.107  0.124  0.872  1.0
[/CIF]
.
The crystal structure described by K3Al3Si3O16 crystallizes in the triclinic P1 space group. There are six inequivalent K sites. In the first K site, K(1) is bonded in a 8-coordinate geometry to one O(14), one O(19), one O(23), one O(29), one O(3), one O(31), one O(7), and one O(9) atom. In the second K site, K(2) is bonded in a 9-coordinate geometry to one O(1), one O(11), one O(13), one O(22), one O(24), one O(26), one O(29), one O(31), and one O(5) atom. In the third K site, K(3) is bonded in a 9-coordinate geometry to one O(10), one O(12), one O(15), one O(17), one O(21), one O(25), one O(26), one O(29), and one O(4) atom. In the fourth K site, K(4) is bonded in a 8-coordinate geometry to one O(10), one O(13), one O(20), one O(24), one O(25), one O(32), one O(4), and one O(8) atom. In the fifth K site, K(5) is bonded in a 8-coordinate geometry to one O(11), one O(16), one O(18), one O(22), one O(27), one O(3), one O(32), and one O(9) atom. In the sixth K site, K(6) is bonded in a 8-coordinate geometry to one O(12), one O(14), one O(2), one O(21), one O(23), one O(25), one O(27), and one O(6) atom. There are six inequivalent Al sites. In the first Al site, Al(1) is bonded to one O(1), one O(11), one O(7), and one O(9) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the second Al site, Al(2) is bonded to one O(10), one O(12), one O(2), and one O(8) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(3)O4 tetrahedra,  a cornercorner with one Si(4)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the third Al site, Al(3) is bonded to one O(17), one O(24), one O(4), and one O(5) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fourth Al site, Al(4) is bonded to one O(18), one O(23), one O(3), and one O(6) atom to form AlO4 tetrahedra that share  a cornercorner with one Si(1)O4 tetrahedra,  a cornercorner with one Si(2)O4 tetrahedra,  a cornercorner with one Si(5)O4 tetrahedra, and  a cornercorner with one Si(6)O4 tetrahedra. In the fifth Al site, Al(5) is bonded to one O(13), one O(16), one O(20), and one O(22) atom to form AlO4 tetrahedra 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, and  a cornercorner with one Si(4)O4 tetrahedra. In the sixth Al site, Al(6) is bonded to one O(14), one O(15), one O(19), and one O(21) atom to form AlO4 tetrahedra 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, and  a cornercorner with one Si(4)O4 tetrahedra. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(19), one O(22), one O(3), and one O(5) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the second Si site, Si(2) is bonded to one O(20), one O(21), one O(4), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(3)O4 tetrahedra,  a cornercorner with one Al(4)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the third Si site, Si(3) is bonded to one O(1), one O(10), one O(13), and one O(15) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the fourth Si site, Si(4) is bonded to one O(14), one O(16), one O(2), and one O(9) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(5)O4 tetrahedra, and  a cornercorner with one Al(6)O4 tetrahedra. In the fifth Si site, Si(5) is bonded to one O(11), one O(18), one O(24), and one O(8) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. In the sixth Si site, Si(6) is bonded to one O(12), one O(17), one O(23), and one O(7) atom to form SiO4 tetrahedra that share  a cornercorner with one Al(1)O4 tetrahedra,  a cornercorner with one Al(2)O4 tetrahedra,  a cornercorner with one Al(3)O4 tetrahedra, and  a cornercorner with one Al(4)O4 tetrahedra. There are thirty-two inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one K(2), one Al(1), and one Si(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one K(6), one Al(2), and one Si(4) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(5), one Al(4), and one Si(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(4), one Al(3), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(2), one Al(3), and one Si(1) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one K(6), one Al(4), and one Si(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one K(1), one Al(1), and one Si(6) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one K(4), one Al(2), and one Si(5) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(5), one Al(1), and one Si(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(4), one Al(2), and one Si(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), one Al(1), and one Si(5) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(6), one Al(2), and one Si(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(4), one Al(5), and one Si(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(6), one Al(6), and one Si(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one K(3), one Al(6), and one Si(3) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one K(5), one Al(5), and one Si(4) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 150 degrees geometry to one K(3), one Al(3), and one Si(6) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one K(5), one Al(4), and one Si(5) atom. In the nineteenth O site, O(19) is bonded in a bent 150 degrees geometry to one K(1), one Al(6), and one Si(1) atom. In the twentieth O site, O(20) is bonded in a distorted bent 150 degrees geometry to one K(4), one Al(5), and one Si(2) atom. In the twenty-first O site, O(21) is bonded in a distorted bent 150 degrees geometry to one K(3), one K(6), one Al(6), and one Si(2) atom. In the twenty-second O site, O(22) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(5), one Al(5), and one Si(1) atom. In the twenty-third O site, O(23) is bonded in a distorted bent 150 degrees geometry to one K(1), one K(6), one Al(4), and one Si(6) atom. In the twenty-fourth O site, O(24) is bonded in a distorted bent 150 degrees geometry to one K(2), one K(4), one Al(3), and one Si(5) atom. In the twenty-fifth O site, O(25) is bonded in a trigonal non-coplanar geometry to one K(3), one K(4), and one K(6) atom. In the twenty-sixth O site, O(26) is bonded in a 3-coordinate geometry to one K(2), one K(3), and one O(28) atom. In the twenty-seventh O site, O(27) is bonded in a 3-coordinate geometry to one K(5), one K(6), and one O(30) atom. In the twenty-eighth O site, O(28) is bonded in a bent 120 degrees geometry to one O(26) and one O(31) atom. In the twenty-ninth O site, O(29) is bonded in a trigonal non-coplanar geometry to one K(1), one K(2), and one K(3) atom. In the thirtieth O site, O(30) is bonded in a bent 120 degrees geometry to one O(27) and one O(32) atom. In the thirty-first O site, O(31) is bonded in a 3-coordinate geometry to one K(1), one K(2), and one O(28) atom. In the thirty-second O site, O(32) is bonded in a trigonal non-coplanar geometry to one K(4), one K(5), and one O(30) atom. is represented by the CIF card [CIF]
data_K3Al3Si3O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.289
_cell_length_b   9.303
_cell_length_c   9.331
_cell_angle_alpha   89.650
_cell_angle_beta   89.497
_cell_angle_gamma   89.159
_symmetry_Int_Tables_number   1
_cell_volume   806.160
_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
  K  K0  1  0.698  0.326  0.307  1.0
  K  K1  1  0.358  0.329  0.658  1.0
  K  K2  1  0.709  0.675  0.673  1.0
  K  K3  1  0.201  0.825  0.806  1.0
  K  K4  1  0.212  0.184  0.164  1.0
  K  K5  1  0.851  0.831  0.165  1.0
  Al  Al6  1  0.538  0.254  0.980  1.0
  Al  Al7  1  0.521  0.757  0.996  1.0
  Al  Al8  1  0.031  0.502  0.736  1.0
  Al  Al9  1  0.027  0.506  0.237  1.0
  Al  Al10  1  0.278  0.999  0.486  1.0
  Al  Al11  1  0.775  0.007  0.492  1.0
  Si  Si12  1  0.024  0.256  0.489  1.0
  Si  Si13  1  0.031  0.753  0.485  1.0
  Si  Si14  1  0.524  0.004  0.737  1.0
  Si  Si15  1  0.531  0.005  0.237  1.0
  Si  Si16  1  0.279  0.505  0.984  1.0
  Si  Si17  1  0.780  0.506  0.991  1.0
  O  O18  1  0.554  0.152  0.823  1.0
  O  O19  1  0.561  0.858  0.147  1.0
  O  O20  1  0.997  0.351  0.342  1.0
  O  O21  1  0.999  0.655  0.627  1.0
  O  O22  1  0.063  0.354  0.625  1.0
  O  O23  1  0.053  0.659  0.339  1.0
  O  O24  1  0.683  0.364  0.019  1.0
  O  O25  1  0.367  0.651  0.013  1.0
  O  O26  1  0.510  0.145  0.132  1.0
  O  O27  1  0.493  0.867  0.844  1.0
  O  O28  1  0.384  0.364  0.959  1.0
  O  O29  1  0.673  0.645  0.960  1.0
  O  O30  1  0.379  0.030  0.641  1.0
  O  O31  1  0.674  0.033  0.335  1.0
  O  O32  1  0.660  0.960  0.633  1.0
  O  O33  1  0.384  0.993  0.331  1.0
  O  O34  1  0.884  0.488  0.851  1.0
  O  O35  1  0.169  0.469  0.117  1.0
  O  O36  1  0.876  0.164  0.518  1.0
  O  O37  1  0.175  0.846  0.517  1.0
  O  O38  1  0.892  0.860  0.459  1.0
  O  O39  1  0.158  0.145  0.457  1.0
  O  O40  1  0.868  0.537  0.139  1.0
  O  O41  1  0.189  0.530  0.834  1.0
  O  O42  1  0.897  0.872  0.870  1.0
  O  O43  1  0.412  0.643  0.486  1.0
  O  O44  1  0.907  0.122  0.002  1.0
  O  O45  1  0.416  0.592  0.357  1.0
  O  O46  1  0.660  0.351  0.594  1.0
  O  O47  1  0.966  0.129  0.876  1.0
  O  O48  1  0.379  0.458  0.342  1.0
  O  O49  1  0.107  0.124  0.872  1.0
[/CIF]
.