The material structure described by KNaBeZr2(PO4)4 crystallizes in the triclinic P1 space group. K(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(15), one O(4), one O(5), one O(6), and one O(7) atom. Na(1) is bonded in a 5-coordinate geometry to one O(11), one O(16), one O(3), one O(5), and one O(8) atom. Be(1) is bonded to one O(1), one O(15), one O(7), and one O(9) atom to form BeO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a distorted pentagonal pyramidal geometry to one O(11), one O(12), one O(13), one O(14), one O(3), and one O(6) atom. In the second Zr site, Zr(2) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(2), one O(4), one O(6), and one O(8) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Be(1)O4 tetrahedra. In the second P site, P(2) is bonded in a distorted trigonal non-coplanar geometry to one O(12), one O(16), and one O(7) atom. In the third P site, P(3) is bonded in a trigonal non-coplanar geometry to one O(13), one O(16), and one O(5) atom. In the fourth P site, P(4) is bonded in a trigonal non-coplanar geometry to one O(10), one O(14), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Zr(2) and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Zr(1), and one O(11) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one K(1), one Zr(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one Na(1), one P(1), and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one K(1), one Zr(1), and one Zr(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Be(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Zr(2), and one O(15) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Be(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(1), one Zr(2), and one P(4) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one K(1), one Na(1), one Zr(1), and one O(3) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one K(1), one Zr(1), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Zr(1) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(1), one Be(1), one Zr(2), and one O(8) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(1), one P(2), and one P(3) atom. is represented by the CIF file [CIF]
data_KNaZr2Be(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.437
_cell_length_b   7.840
_cell_length_c   7.928
_cell_angle_alpha   107.640
_cell_angle_beta   114.939
_cell_angle_gamma   104.289
_symmetry_Int_Tables_number   1
_cell_volume   359.972
_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
  K  K0  1  0.253  0.953  0.398  1.0
  Na  Na1  1  0.962  0.058  0.928  1.0
  Zr  Zr2  1  0.336  0.758  0.925  1.0
  Zr  Zr3  1  0.420  0.539  0.480  1.0
  Be  Be4  1  0.888  0.548  0.238  1.0
  P  P5  1  0.636  0.415  0.779  1.0
  P  P6  1  0.720  0.791  0.416  1.0
  P  P7  1  0.869  0.253  0.613  1.0
  P  P8  1  0.674  0.250  0.305  1.0
  O  O9  1  0.689  0.450  0.995  1.0
  O  O10  1  0.742  0.578  0.741  1.0
  O  O11  1  0.127  0.874  0.823  1.0
  O  O12  1  0.386  0.330  0.618  1.0
  O  O13  1  0.714  0.238  0.709  1.0
  O  O14  1  0.423  0.737  0.709  1.0
  O  O15  1  0.881  0.757  0.349  1.0
  O  O16  1  0.126  0.370  0.196  1.0
  O  O17  1  0.864  0.424  0.354  1.0
  O  O18  1  0.484  0.296  0.299  1.0
  O  O19  1  0.163  0.879  0.026  1.0
  O  O20  1  0.509  0.770  0.232  1.0
  O  O21  1  0.091  0.430  0.763  1.0
  O  O22  1  0.609  0.057  0.124  1.0
  O  O23  1  0.132  0.571  0.261  1.0
  O  O24  1  0.889  0.051  0.585  1.0
[/CIF]
.
The material structure described by KNaBeZr2(PO4)4 crystallizes in the triclinic P1 space group. K(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(15), one O(4), one O(5), one O(6), and one O(7) atom. Na(1) is bonded in a 5-coordinate geometry to one O(11), one O(16), one O(3), one O(5), and one O(8) atom. Be(1) is bonded to one O(1), one O(15), one O(7), and one O(9) atom to form BeO4 tetrahedra that share  a cornercorner with one P(1)O4 tetrahedra. There are two inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a distorted pentagonal pyramidal geometry to one O(11), one O(12), one O(13), one O(14), one O(3), and one O(6) atom. In the second Zr site, Zr(2) is bonded in a 6-coordinate geometry to one O(10), one O(15), one O(2), one O(4), one O(6), and one O(8) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(4), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Be(1)O4 tetrahedra. In the second P site, P(2) is bonded in a distorted trigonal non-coplanar geometry to one O(12), one O(16), and one O(7) atom. In the third P site, P(3) is bonded in a trigonal non-coplanar geometry to one O(13), one O(16), and one O(5) atom. In the fourth P site, P(4) is bonded in a trigonal non-coplanar geometry to one O(10), one O(14), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Be(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Zr(2) and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Zr(1), and one O(11) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one K(1), one Zr(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one K(1), one Na(1), one P(1), and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one K(1), one Zr(1), and one Zr(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one Be(1), and one P(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Na(1), one Zr(2), and one O(15) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Be(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one K(1), one Zr(2), and one P(4) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one K(1), one Na(1), one Zr(1), and one O(3) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one K(1), one Zr(1), and one P(2) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Zr(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 150 degrees geometry to one Zr(1) and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one K(1), one Be(1), one Zr(2), and one O(8) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(1), one P(2), and one P(3) atom. is represented by the CIF file [CIF]
data_KNaZr2Be(PO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.437
_cell_length_b   7.840
_cell_length_c   7.928
_cell_angle_alpha   107.640
_cell_angle_beta   114.939
_cell_angle_gamma   104.289
_symmetry_Int_Tables_number   1
_cell_volume   359.972
_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
  K  K0  1  0.253  0.953  0.398  1.0
  Na  Na1  1  0.962  0.058  0.928  1.0
  Zr  Zr2  1  0.336  0.758  0.925  1.0
  Zr  Zr3  1  0.420  0.539  0.480  1.0
  Be  Be4  1  0.888  0.548  0.238  1.0
  P  P5  1  0.636  0.415  0.779  1.0
  P  P6  1  0.720  0.791  0.416  1.0
  P  P7  1  0.869  0.253  0.613  1.0
  P  P8  1  0.674  0.250  0.305  1.0
  O  O9  1  0.689  0.450  0.995  1.0
  O  O10  1  0.742  0.578  0.741  1.0
  O  O11  1  0.127  0.874  0.823  1.0
  O  O12  1  0.386  0.330  0.618  1.0
  O  O13  1  0.714  0.238  0.709  1.0
  O  O14  1  0.423  0.737  0.709  1.0
  O  O15  1  0.881  0.757  0.349  1.0
  O  O16  1  0.126  0.370  0.196  1.0
  O  O17  1  0.864  0.424  0.354  1.0
  O  O18  1  0.484  0.296  0.299  1.0
  O  O19  1  0.163  0.879  0.026  1.0
  O  O20  1  0.509  0.770  0.232  1.0
  O  O21  1  0.091  0.430  0.763  1.0
  O  O22  1  0.609  0.057  0.124  1.0
  O  O23  1  0.132  0.571  0.261  1.0
  O  O24  1  0.889  0.051  0.585  1.0
[/CIF]
.