The material structure described by NaSmF4 crystallizes in the triclinic P1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a distorted octahedral geometry to one F(11), one F(2), one F(3), one F(5), one F(7), and one F(9) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one F(1), one F(10), one F(12), one F(4), one F(6), and one F(8) atom. In the third Na site, Na(3) is bonded in a 9-coordinate geometry to one F(1), one F(12), one F(2), one F(3), one F(4), one F(5), one F(6), one F(7), and one F(9) atom. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(11), one F(12), one F(3), one F(6), one F(7), one F(8), and one F(9) atom. In the second Sm site, Sm(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(12), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. In the third Sm site, Sm(3) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(11), one F(2), one F(3), one F(4), one F(5), one F(6), and one F(8) atom. There are twelve inequivalent F sites. In the first F site, F(1) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(3) atom to form distorted FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(4)Na2Sm2 tetrahedra, corners with four equivalent F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(8)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the second F site, F(2) is bonded to one Na(1), one Na(3), one Sm(2), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(3)Na2Sm2 tetrahedra, corners with four equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(11)NaSm3 tetrahedra. In the third F site, F(3) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(3) atom to form distorted FNa2Sm2 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(2)Na2Sm2 tetrahedra, corners with three equivalent F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the fourth F site, F(4) is bonded to one Na(2), one Na(3), one Sm(2), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(1)Na2Sm2 tetrahedra, corners with three equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the fifth F site, F(5) is bonded to one Na(1), one Na(3), one Sm(2), and one Sm(3) atom to form distorted FNa2Sm2 trigonal pyramids that share  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with three equivalent F(4)Na2Sm2 tetrahedra, corners with four equivalent F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the sixth F site, F(6) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(3)Na2Sm2 tetrahedra, corners with four equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the seventh F site, F(7) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(12)Na2Sm2 tetrahedra, corners with four equivalent F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the eighth F site, F(8) is bonded to one Na(2), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with three equivalent F(11)NaSm3 tetrahedra, corners with four equivalent F(10)NaSm3 tetrahedra,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the ninth F site, F(9) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with three equivalent F(11)NaSm3 tetrahedra, corners with four equivalent F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(8)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the tenth F site, F(10) is bonded to one Na(2), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(12)Na2Sm2 tetrahedra, corners with four equivalent F(8)NaSm3 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra, and  an edgeedge with one F(11)NaSm3 tetrahedra. In the eleventh F site, F(11) is bonded to one Na(1), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with three equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(8)NaSm3 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the twelfth F site, F(12) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(7)Na2Sm2 tetrahedra, corners with three equivalent F(10)NaSm3 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. is represented by the CIF card [CIF]
data_NaSmF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.020
_cell_length_b   7.009
_cell_length_c   7.017
_cell_angle_alpha   62.412
_cell_angle_beta   64.681
_cell_angle_gamma   64.674
_symmetry_Int_Tables_number   1
_cell_volume   227.254
_cell_formula_units_Z   3
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
  Na  Na0  1  0.666  0.486  0.165  1.0
  Na  Na1  1  0.663  0.006  0.678  1.0
  Na  Na2  1  0.330  0.427  0.909  1.0
  Sm  Sm3  1  0.003  1.000  0.998  1.0
  Sm  Sm4  1  0.998  0.499  0.504  1.0
  Sm  Sm5  1  0.336  0.921  0.409  1.0
  F  F6  1  0.368  0.007  0.031  1.0
  F  F7  1  0.366  0.542  0.501  1.0
  F  F8  1  0.595  0.166  0.198  1.0
  F  F9  1  0.592  0.709  0.659  1.0
  F  F10  1  0.037  0.279  0.315  1.0
  F  F11  1  0.046  0.819  0.771  1.0
  F  F12  1  0.257  0.625  0.129  1.0
  F  F13  1  0.276  0.130  0.624  1.0
  F  F14  1  0.983  0.381  0.883  1.0
  F  F15  1  0.977  0.887  0.384  1.0
  F  F16  1  0.755  0.735  0.233  1.0
  F  F17  1  0.753  0.244  0.746  1.0
[/CIF]
.
The material structure described by NaSmF4 crystallizes in the triclinic P1 space group. There are three inequivalent Na sites. In the first Na site, Na(1) is bonded in a distorted octahedral geometry to one F(11), one F(2), one F(3), one F(5), one F(7), and one F(9) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one F(1), one F(10), one F(12), one F(4), one F(6), and one F(8) atom. In the third Na site, Na(3) is bonded in a 9-coordinate geometry to one F(1), one F(12), one F(2), one F(3), one F(4), one F(5), one F(6), one F(7), and one F(9) atom. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(11), one F(12), one F(3), one F(6), one F(7), one F(8), and one F(9) atom. In the second Sm site, Sm(2) is bonded in a 9-coordinate geometry to one F(10), one F(11), one F(12), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. In the third Sm site, Sm(3) is bonded in a 9-coordinate geometry to one F(1), one F(10), one F(11), one F(2), one F(3), one F(4), one F(5), one F(6), and one F(8) atom. There are twelve inequivalent F sites. In the first F site, F(1) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(3) atom to form distorted FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(4)Na2Sm2 tetrahedra, corners with four equivalent F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(8)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the second F site, F(2) is bonded to one Na(1), one Na(3), one Sm(2), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(3)Na2Sm2 tetrahedra, corners with four equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(11)NaSm3 tetrahedra. In the third F site, F(3) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(3) atom to form distorted FNa2Sm2 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(2)Na2Sm2 tetrahedra, corners with three equivalent F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the fourth F site, F(4) is bonded to one Na(2), one Na(3), one Sm(2), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(1)Na2Sm2 tetrahedra, corners with three equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the fifth F site, F(5) is bonded to one Na(1), one Na(3), one Sm(2), and one Sm(3) atom to form distorted FNa2Sm2 trigonal pyramids that share  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with three equivalent F(4)Na2Sm2 tetrahedra, corners with four equivalent F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the sixth F site, F(6) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(3) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(3)Na2Sm2 tetrahedra, corners with four equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. In the seventh F site, F(7) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(8)NaSm3 tetrahedra, corners with three equivalent F(12)Na2Sm2 tetrahedra, corners with four equivalent F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra,  an edgeedge with one F(11)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the eighth F site, F(8) is bonded to one Na(2), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(7)Na2Sm2 tetrahedra, corners with three equivalent F(11)NaSm3 tetrahedra, corners with four equivalent F(10)NaSm3 tetrahedra,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the ninth F site, F(9) is bonded to one Na(1), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(12)Na2Sm2 tetrahedra,  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra, corners with two equivalent F(4)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with two equivalent F(10)NaSm3 tetrahedra, corners with three equivalent F(11)NaSm3 tetrahedra, corners with four equivalent F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(12)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(8)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the tenth F site, F(10) is bonded to one Na(2), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(11)NaSm3 tetrahedra, corners with two equivalent F(3)Na2Sm2 tetrahedra, corners with two equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(12)Na2Sm2 tetrahedra, corners with four equivalent F(8)NaSm3 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra, and  an edgeedge with one F(11)NaSm3 tetrahedra. In the eleventh F site, F(11) is bonded to one Na(1), one Sm(1), one Sm(2), and one Sm(3) atom to form FNaSm3 tetrahedra that share  a cornercorner with one F(2)Na2Sm2 tetrahedra,  a cornercorner with one F(3)Na2Sm2 tetrahedra,  a cornercorner with one F(7)Na2Sm2 tetrahedra,  a cornercorner with one F(10)NaSm3 tetrahedra, corners with two equivalent F(1)Na2Sm2 tetrahedra, corners with two equivalent F(12)Na2Sm2 tetrahedra, corners with two equivalent F(6)Na2Sm2 tetrahedra, corners with three equivalent F(9)Na2Sm2 tetrahedra, corners with three equivalent F(8)NaSm3 tetrahedra,  a cornercorner with one F(5)Na2Sm2 trigonal pyramid,  an edgeedge with one F(2)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(7)Na2Sm2 tetrahedra,  an edgeedge with one F(10)NaSm3 tetrahedra, and  an edgeedge with one F(5)Na2Sm2 trigonal pyramid. In the twelfth F site, F(12) is bonded to one Na(2), one Na(3), one Sm(1), and one Sm(2) atom to form FNa2Sm2 tetrahedra that share  a cornercorner with one F(1)Na2Sm2 tetrahedra,  a cornercorner with one F(4)Na2Sm2 tetrahedra,  a cornercorner with one F(6)Na2Sm2 tetrahedra,  a cornercorner with one F(9)Na2Sm2 tetrahedra,  a cornercorner with one F(8)NaSm3 tetrahedra, corners with two equivalent F(2)Na2Sm2 tetrahedra, corners with two equivalent F(11)NaSm3 tetrahedra, corners with three equivalent F(7)Na2Sm2 tetrahedra, corners with three equivalent F(10)NaSm3 tetrahedra, corners with two equivalent F(5)Na2Sm2 trigonal pyramids,  an edgeedge with one F(1)Na2Sm2 tetrahedra,  an edgeedge with one F(3)Na2Sm2 tetrahedra,  an edgeedge with one F(4)Na2Sm2 tetrahedra,  an edgeedge with one F(6)Na2Sm2 tetrahedra,  an edgeedge with one F(9)Na2Sm2 tetrahedra, and  an edgeedge with one F(8)NaSm3 tetrahedra. is represented by the CIF card [CIF]
data_NaSmF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.020
_cell_length_b   7.009
_cell_length_c   7.017
_cell_angle_alpha   62.412
_cell_angle_beta   64.681
_cell_angle_gamma   64.674
_symmetry_Int_Tables_number   1
_cell_volume   227.254
_cell_formula_units_Z   3
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
  Na  Na0  1  0.666  0.486  0.165  1.0
  Na  Na1  1  0.663  0.006  0.678  1.0
  Na  Na2  1  0.330  0.427  0.909  1.0
  Sm  Sm3  1  0.003  1.000  0.998  1.0
  Sm  Sm4  1  0.998  0.499  0.504  1.0
  Sm  Sm5  1  0.336  0.921  0.409  1.0
  F  F6  1  0.368  0.007  0.031  1.0
  F  F7  1  0.366  0.542  0.501  1.0
  F  F8  1  0.595  0.166  0.198  1.0
  F  F9  1  0.592  0.709  0.659  1.0
  F  F10  1  0.037  0.279  0.315  1.0
  F  F11  1  0.046  0.819  0.771  1.0
  F  F12  1  0.257  0.625  0.129  1.0
  F  F13  1  0.276  0.130  0.624  1.0
  F  F14  1  0.983  0.381  0.883  1.0
  F  F15  1  0.977  0.887  0.384  1.0
  F  F16  1  0.755  0.735  0.233  1.0
  F  F17  1  0.753  0.244  0.746  1.0
[/CIF]
.