data_SrNp(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.89
_cell_length_b   6.89
_cell_length_c   13.27
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   80.69
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrNp(PO4)2
_chemical_formula_sum   'Sr4 Np4 P8 O32'
_cell_volume   622.3
_cell_formula_units_Z   4
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
  Sr  Sr44  1  0.63  0.16  0.32  1.0
  Sr  Sr45  1  0.88  0.16  0.32  1.0
  Sr  Sr46  1  0.63  0.84  0.96  1.0
  Sr  Sr47  1  0.88  0.84  0.96  1.0
  Np  Np0  1  0.25  0.56  0.38  1.0
  Np  Np1  1  0.25  0.02  0.26  1.0
  Np  Np2  1  0.25  0.98  0.02  1.0
  Np  Np3  1  0.25  0.44  0.89  1.0
  P  P36  1  0.89  0.0  0.64  1.0
  P  P37  1  0.62  0.0  0.64  1.0
  P  P38  1  0.25  0.84  0.23  1.0
  P  P39  1  0.25  0.38  0.41  1.0
  P  P40  1  0.36  0.0  0.0  1.0
  P  P41  1  0.14  0.0  0.0  1.0
  P  P42  1  0.25  0.62  0.87  1.0
  P  P43  1  0.25  0.16  0.04  1.0
  O  O4  1  0.01  0.96  0.8  1.0
  O  O5  1  0.49  0.96  0.8  1.0
  O  O6  1  0.25  0.35  0.68  1.0
  O  O7  1  0.77  0.29  0.58  1.0
  O  O8  1  0.74  0.29  0.58  1.0
  O  O9  1  0.25  0.39  0.15  1.0
  O  O10  1  0.49  0.33  0.44  1.0
  O  O11  1  0.02  0.33  0.44  1.0
  O  O12  1  0.49  0.87  0.2  1.0
  O  O13  1  0.02  0.87  0.2  1.0
  O  O14  1  0.25  0.93  0.49  1.0
  O  O15  1  0.49  0.29  0.05  1.0
  O  O16  1  0.02  0.29  0.05  1.0
  O  O17  1  0.25  0.89  0.96  1.0
  O  O18  1  0.24  0.96  0.84  1.0
  O  O19  1  0.27  0.96  0.84  1.0
  O  O20  1  0.24  0.04  0.43  1.0
  O  O21  1  0.27  0.04  0.43  1.0
  O  O22  1  0.25  0.11  0.31  1.0
  O  O23  1  0.49  0.71  0.22  1.0
  O  O24  1  0.02  0.71  0.22  1.0
  O  O25  1  0.25  0.07  0.78  1.0
  O  O26  1  0.49  0.13  0.07  1.0
  O  O27  1  0.02  0.13  0.07  1.0
  O  O28  1  0.49  0.67  0.84  1.0
  O  O29  1  0.02  0.67  0.84  1.0
  O  O30  1  0.25  0.61  0.13  1.0
  O  O31  1  0.77  0.71  0.69  1.0
  O  O32  1  0.74  0.71  0.69  1.0
  O  O33  1  0.25  0.65  0.6  1.0
  O  O34  1  0.01  0.04  0.48  1.0
  O  O35  1  0.49  0.04  0.48  1.0

data_SrNp(PO4)2
_symmetry_space_group_name_H-M   P1
_cell_length_a   6.89
_cell_length_b   6.89
_cell_length_c   13.27
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   99.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrNp(PO4)2
_chemical_formula_sum   'Sr4 Np4 P8 O32'
_cell_volume   622.3
_cell_formula_units_Z   4
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
  Sr  Sr0  1  0.63  0.16  0.04  1.0
  Sr  Sr1  1  0.63  0.84  0.68  1.0
  Sr  Sr2  1  0.88  0.84  0.68  1.0
  Sr  Sr3  1  0.88  0.16  0.04  1.0
  Np  Np4  1  0.25  0.02  0.98  1.0
  Np  Np5  1  0.25  0.44  0.62  1.0
  Np  Np6  1  0.25  0.56  0.11  1.0
  Np  Np7  1  0.25  0.98  0.74  1.0
  P  P8  1  0.14  0.0  0.0  1.0
  P  P9  1  0.25  0.16  0.77  1.0
  P  P10  1  0.25  0.38  0.13  1.0
  P  P11  1  0.25  0.62  0.59  1.0
  P  P12  1  0.25  0.84  0.96  1.0
  P  P13  1  0.36  0.0  0.0  1.0
  P  P14  1  0.62  0.0  0.36  1.0
  P  P15  1  0.89  0.0  0.36  1.0
  O  O16  1  0.01  0.04  0.2  1.0
  O  O17  1  0.01  0.96  0.52  1.0
  O  O18  1  0.02  0.71  0.95  1.0
  O  O19  1  0.02  0.29  0.78  1.0
  O  O20  1  0.02  0.67  0.56  1.0
  O  O21  1  0.02  0.13  0.8  1.0
  O  O22  1  0.02  0.87  0.93  1.0
  O  O23  1  0.02  0.33  0.16  1.0
  O  O24  1  0.24  0.04  0.16  1.0
  O  O25  1  0.24  0.96  0.57  1.0
  O  O26  1  0.25  0.07  0.51  1.0
  O  O27  1  0.25  0.11  0.04  1.0
  O  O28  1  0.25  0.35  0.4  1.0
  O  O29  1  0.25  0.39  0.87  1.0
  O  O30  1  0.25  0.61  0.85  1.0
  O  O31  1  0.25  0.65  0.32  1.0
  O  O32  1  0.25  0.89  0.69  1.0
  O  O33  1  0.25  0.93  0.22  1.0
  O  O34  1  0.27  0.04  0.16  1.0
  O  O35  1  0.27  0.96  0.57  1.0
  O  O36  1  0.49  0.13  0.8  1.0
  O  O37  1  0.49  0.33  0.16  1.0
  O  O38  1  0.49  0.67  0.56  1.0
  O  O39  1  0.49  0.87  0.93  1.0
  O  O40  1  0.49  0.29  0.78  1.0
  O  O41  1  0.49  0.71  0.95  1.0
  O  O42  1  0.49  0.04  0.2  1.0
  O  O43  1  0.49  0.96  0.52  1.0
  O  O44  1  0.74  0.29  0.31  1.0
  O  O45  1  0.74  0.71  0.42  1.0
  O  O46  1  0.77  0.29  0.31  1.0
  O  O47  1  0.77  0.71  0.42  1.0

Sr Sr Sr Sr Np Np Np Np P P P P P P P P O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O
Sr Sr Sr Sr Np Np Np Np P P P P P P P P O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 0 1 o o o 2 12 o + + 2 3 o o o 4 11 o o o 5 34 o o o 5 10 o - o 6 29 o o - 6 13 o + o 6 12 o + o 6 15 o + o 7 14 o o o 8 44 o - o 8 43 o - o 8 20 o o o 8 19 o o o 8 9 o o o 8 16 + - o 8 46 + o o 9 17 o - o 9 47 o o o 9 44 o - o 9 43 o - o 9 20 o o o 9 19 o o o 11 22 o o o 11 23 o o o 12 15 o o o 13 15 o o o 13 29 o - - 14 40 o o o 14 41 o o o 15 38 o o o 16 41 o o o 16 37 o + o 16 31 o o o 16 30 o o o 17 37 o + o 17 31 o o o 17 30 o o o 17 40 o o o 18 37 o o o 18 45 o o o 19 20 o o o 21 42 o o o 22 47 o o o 23 46 o o o 24 35 o o o 25 36 o o o 26 33 o + o 26 32 o + o 26 45 o o o 26 46 o + o 26 47 o + o 27 38 o o o 28 39 o o o 30 31 o o o 30 37 o + o 31 37 o + o 32 33 o o o 32 46 o o o 32 47 o o o 33 46 o o o 33 47 o o o 43 44 o o o 
SrNp(PO4)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 5-coordinate geometry to one Sr(2), one O(19), one O(32), one O(7), and one O(9) atom. The Sr(1)-Sr(2) bond length is 1.74 Å. The Sr(1)-O(19) bond length is 2.65 Å. The Sr(1)-O(32) bond length is 2.46 Å. The Sr(1)-O(7) bond length is 2.13 Å. The Sr(1)-O(9) bond length is 2.80 Å. In the second Sr site, Sr(2) is bonded in a 5-coordinate geometry to one Sr(1), one O(10), one O(19), one O(31), and one O(8) atom. The Sr(2)-O(10) bond length is 2.57 Å. The Sr(2)-O(19) bond length is 2.54 Å. The Sr(2)-O(31) bond length is 2.36 Å. The Sr(2)-O(8) bond length is 2.31 Å. In the third Sr site, Sr(3) is bonded in a 3-coordinate geometry to one P(5), one O(2), and one O(25) atom. The Sr(3)-P(5) bond length is 2.03 Å. The Sr(3)-O(2) bond length is 2.36 Å. The Sr(3)-O(25) bond length is 2.31 Å. In the fourth Sr site, Sr(4) is bonded in a 1-coordinate geometry to one O(1) and one O(26) atom. The Sr(4)-O(1) bond length is 2.46 Å. The Sr(4)-O(26) bond length is 2.13 Å. There are four inequivalent Np sites. In the first Np site, Np(1) is bonded in a single-bond geometry to one P(4); one O(11); one O(20); one O(21); and one O(3,30) atom. The Np(1)-P(4) bond length is 1.30 Å. The Np(1)-O(11) bond length is 2.94 Å. The Np(1)-O(20) bond length is 2.96 Å. The Np(1)-O(21) bond length is 2.76 Å. The Np(1)-O(3,30) bond length is 2.97 Å. In the second Np site, Np(2) is bonded in a 1-coordinate geometry to one P(3), one O(19), and one O(9) atom. The Np(2)-P(3) bond length is 1.30 Å. The Np(2)-O(19) bond length is 0.94 Å. The Np(2)-O(9) bond length is 1.92 Å. In the third Np site, Np(3) is bonded in a 3-coordinate geometry to one P(5), one P(6), one P(8), and one O(14) atom. The Np(3)-P(5) bond length is 0.83 Å. The Np(3)-P(6) bond length is 0.79 Å. The Np(3)-P(8) bond length is 1.30 Å. The Np(3)-O(14) bond length is 0.94 Å. In the fourth Np site, Np(4) is bonded in a single-bond geometry to one P(7); one O(12); one O(13); one O(22); and one O(3,30) atom. The Np(4)-P(7) bond length is 1.30 Å. The Np(4)-O(12) bond length is 2.76 Å. The Np(4)-O(13) bond length is 2.96 Å. The Np(4)-O(22) bond length is 2.94 Å. The Np(4)-O(3,30) bond length is 2.97 Å. There are eight inequivalent P sites. In the first P site, P(1) is bonded in a 5-coordinate geometry to one P(2), one O(1), one O(28), one O(31), and one O(4) atom. The P(1)-P(2) bond length is 1.87 Å. The P(1)-O(1) bond length is 2.30 Å. The P(1)-O(28) bond length is 2.39 Å. The P(1)-O(31) bond length is 2.34 Å. The P(1)-O(4) bond length is 2.15 Å. In the second P site, P(2) is bonded in a 5-coordinate geometry to one P(1), one O(2), one O(29), one O(32), and one O(5) atom. The P(2)-O(2) bond length is 2.34 Å. The P(2)-O(29) bond length is 2.15 Å. The P(2)-O(32) bond length is 2.30 Å. The P(2)-O(5) bond length is 2.39 Å. In the third P site, P(3) is bonded in a 2-coordinate geometry to one Np(2), one O(10), one O(20), one O(21), one O(27), and one O(9) atom. The P(3)-O(10) bond length is 1.63 Å. The P(3)-O(20) bond length is 1.72 Å. The P(3)-O(21) bond length is 1.96 Å. The P(3)-O(27) bond length is 2.09 Å. The P(3)-O(9) bond length is 1.70 Å. In the fourth P site, P(4) is bonded in a 3-coordinate geometry to one Np(1), one O(7), and one O(8) atom. The P(4)-O(7) bond length is 1.63 Å. The P(4)-O(8) bond length is 1.72 Å. In the fifth P site, P(5) is bonded in a distorted single-bond geometry to one Sr(3), one Np(3), and one O(23) atom. The P(5)-O(23) bond length is 1.63 Å. In the sixth P site, P(6) is bonded in a distorted single-bond geometry to one Np(3) and one O(24) atom. The P(6)-O(24) bond length is 1.48 Å. In the seventh P site, P(7) is bonded in a 3-coordinate geometry to one Np(4), one O(25), and one O(26) atom. The P(7)-O(25) bond length is 1.72 Å. The P(7)-O(26) bond length is 1.63 Å. In the eighth P site, P(8) is bonded in a 5-coordinate geometry to one Np(3), one O(12), one O(13), one O(23), one O(24), and one O(6) atom. The P(8)-O(12) bond length is 1.96 Å. The P(8)-O(13) bond length is 1.72 Å. The P(8)-O(23) bond length is 1.63 Å. The P(8)-O(24) bond length is 1.70 Å. The P(8)-O(6) bond length is 2.09 Å. There are thirty-one inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Sr(4), one P(1), and one O(15) atom. The O(1)-O(15) bond length is 1.67 Å. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Sr(3), one P(2), one O(16), and one O(22) atom. The O(2)-O(16) bond length is 1.67 Å. The O(2)-O(22) bond length is 1.73 Å. In the third O site, O(3,30) is bonded in a single-bond geometry to one Np(4) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one P(1) and one O(5) atom. The O(4)-O(5) bond length is 0.17 Å. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one P(2) and one O(4) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one P(8) and one O(27) atom. The O(6)-O(27) bond length is 1.55 Å. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Sr(1) and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Sr(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Sr(1), one Np(2), one P(3), and one O(20) atom. The O(9)-O(20) bond length is 1.13 Å. In the tenth O site, O(10) is bonded in a 1-coordinate geometry to one Sr(2), one P(3), and one O(21) atom. The O(10)-O(21) bond length is 1.13 Å. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Np(1), one O(17), one O(18), and one O(31) atom. The O(11)-O(17) bond length is 1.10 Å. The O(11)-O(18) bond length is 1.12 Å. The O(11)-O(31) bond length is 1.73 Å. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Np(4), one P(8), and one O(23) atom. The O(12)-O(23) bond length is 1.13 Å. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Np(4), one P(8), and one O(24) atom. The O(13)-O(24) bond length is 1.13 Å. In the fourteenth O site, O(14) is bonded in a 1-coordinate geometry to one Np(3) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one O(1), one O(16), and one O(22) atom. The O(15)-O(16) bond length is 0.18 Å. The O(15)-O(22) bond length is 1.12 Å. In the sixteenth O site, O(16) is bonded in a single-bond geometry to one O(15), one O(2), and one O(22) atom. The O(16)-O(22) bond length is 1.10 Å. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one O(11) and one O(18) atom. The O(17)-O(18) bond length is 0.18 Å. In the eighteenth O site, O(18) is bonded in a single-bond geometry to one O(11), one O(17), and one O(32) atom. The O(18)-O(32) bond length is 1.67 Å. In the nineteenth O site, O(19) is bonded in a single-bond geometry to one Sr(1), one Sr(2), and one Np(2) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Np(1), one P(3), and one O(9) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Np(1), one P(3), and one O(10) atom. In the twenty-second O site, O(22) is bonded in a 4-coordinate geometry to one Np(4), one O(15), one O(16), and one O(2) atom. In the twenty-third O site, O(23) is bonded in a 2-coordinate geometry to one P(5), one P(8), and one O(12) atom. In the twenty-fourth O site, O(24) is bonded in a 1-coordinate geometry to one P(6), one P(8), and one O(13) atom. In the twenty-fifth O site, O(25) is bonded in a distorted bent 120 degrees geometry to one Sr(3) and one P(7) atom. In the twenty-sixth O site, O(26) is bonded in a distorted water-like geometry to one Sr(4) and one P(7) atom. In the twenty-seventh O site, O(27) is bonded in a 2-coordinate geometry to one P(3) and one O(6) atom. In the twenty-eighth O site, O(28) is bonded in a distorted single-bond geometry to one P(1) and one O(29) atom. The O(28)-O(29) bond length is 0.17 Å. In the twenty-ninth O site, O(29) is bonded in a water-like geometry to one P(2) and one O(28) atom. In the thirtieth O site, O(31) is bonded in a 2-coordinate geometry to one Sr(2), one P(1), and one O(11) atom. In the thirty-first O site, O(32) is bonded in a 3-coordinate geometry to one Sr(1), one P(2), and one O(18) atom.