data_Ce10Se19
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.44
_cell_length_b   9.44
_cell_length_c   17.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ce10Se19
_chemical_formula_sum   'Ce20 Se38'
_cell_volume   1536.95
_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
  Ce  Ce0  1  0.76  0.87  0.74  1.0
  Ce  Ce1  1  0.68  0.57  0.74  1.0
  Ce  Ce2  1  0.0  0.72  0.93  1.0
  Ce  Ce3  1  0.95  0.53  0.99  1.0
  Ce  Ce4  1  0.49  0.91  0.99  1.0
  Ce  Ce5  1  0.53  0.49  0.24  1.0
  Ce  Ce6  1  0.91  0.95  0.24  1.0
  Ce  Ce7  1  0.72  0.0  0.3  1.0
  Ce  Ce8  1  0.57  0.76  0.49  1.0
  Ce  Ce9  1  0.87  0.68  0.49  1.0
  Ce  Ce10  1  0.85  0.48  0.12  1.0
  Ce  Ce11  1  0.59  0.96  0.12  1.0
  Ce  Ce12  1  0.0  0.72  0.32  1.0
  Ce  Ce13  1  0.81  0.77  0.37  1.0
  Ce  Ce14  1  0.63  0.67  0.37  1.0
  Ce  Ce15  1  0.67  0.81  0.86  1.0
  Ce  Ce16  1  0.77  0.63  0.86  1.0
  Ce  Ce17  1  0.72  0.0  0.92  1.0
  Ce  Ce18  1  0.48  0.59  0.11  1.0
  Ce  Ce19  1  0.96  0.85  0.11  1.0
  Se  Se20  1  0.59  0.77  0.01  1.0
  Se  Se21  1  0.85  0.68  0.01  1.0
  Se  Se22  1  0.72  0.0  0.03  1.0
  Se  Se23  1  0.52  0.54  0.16  1.0
  Se  Se24  1  0.92  0.9  0.16  1.0
  Se  Se25  1  0.45  0.18  0.22  1.0
  Se  Se26  1  0.99  0.27  0.22  1.0
  Se  Se27  1  0.08  0.01  0.23  1.0
  Se  Se28  1  0.36  0.44  0.23  1.0
  Se  Se29  1  0.0  0.0  0.0  1.0
  Se  Se30  1  0.01  0.36  0.01  1.0
  Se  Se31  1  0.44  0.08  0.01  1.0
  Se  Se32  1  0.18  0.99  0.01  1.0
  Se  Se33  1  0.27  0.45  0.01  1.0
  Se  Se34  1  0.9  0.52  0.07  1.0
  Se  Se35  1  0.54  0.92  0.07  1.0
  Se  Se36  1  0.0  0.72  0.2  1.0
  Se  Se37  1  0.77  0.85  0.22  1.0
  Se  Se38  1  0.68  0.59  0.22  1.0
  Se  Se39  1  0.49  0.57  0.4  1.0
  Se  Se40  1  0.95  0.87  0.4  1.0
  Se  Se41  1  0.72  0.0  0.42  1.0
  Se  Se42  1  0.62  0.8  0.54  1.0
  Se  Se43  1  0.82  0.64  0.54  1.0
  Se  Se44  1  0.46  0.71  0.6  1.0
  Se  Se45  1  0.99  0.73  0.6  1.0
  Se  Se46  1  0.73  0.64  0.61  1.0
  Se  Se47  1  0.72  0.8  0.61  1.0
  Se  Se48  1  0.72  0.72  0.62  1.0
  Se  Se49  1  0.8  0.73  0.62  1.0
  Se  Se50  1  0.64  0.72  0.62  1.0
  Se  Se51  1  0.73  0.46  0.63  1.0
  Se  Se52  1  0.71  0.99  0.63  1.0
  Se  Se53  1  0.8  0.82  0.69  1.0
  Se  Se54  1  0.64  0.62  0.69  1.0
  Se  Se55  1  0.0  0.72  0.81  1.0
  Se  Se56  1  0.87  0.49  0.83  1.0
  Se  Se57  1  0.57  0.95  0.83  1.0

data_Ce10Se19
_symmetry_space_group_name_H-M   P1
_cell_length_a   9.44
_cell_length_b   9.44
_cell_length_c   17.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ce10Se19
_chemical_formula_sum   'Ce20 Se38'
_cell_volume   1536.95
_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
  Ce  Ce0  1  -0.0  0.72  0.32  1.0
  Ce  Ce1  1  -0.0  0.72  0.93  1.0
  Ce  Ce2  1  0.48  0.59  0.11  1.0
  Ce  Ce3  1  0.49  0.91  0.99  1.0
  Ce  Ce4  1  0.53  0.49  0.24  1.0
  Ce  Ce5  1  0.57  0.76  0.49  1.0
  Ce  Ce6  1  0.59  0.96  0.12  1.0
  Ce  Ce7  1  0.63  0.67  0.37  1.0
  Ce  Ce8  1  0.67  0.81  0.86  1.0
  Ce  Ce9  1  0.68  0.57  0.74  1.0
  Ce  Ce10  1  0.72  0.0  0.3  1.0
  Ce  Ce11  1  0.72  0.0  0.92  1.0
  Ce  Ce12  1  0.76  0.87  0.74  1.0
  Ce  Ce13  1  0.77  0.63  0.86  1.0
  Ce  Ce14  1  0.81  0.77  0.37  1.0
  Ce  Ce15  1  0.85  0.48  0.12  1.0
  Ce  Ce16  1  0.87  0.68  0.49  1.0
  Ce  Ce17  1  0.91  0.95  0.24  1.0
  Ce  Ce18  1  0.95  0.53  0.99  1.0
  Ce  Ce19  1  0.96  0.85  0.11  1.0
  Se  Se20  1  -0.0  0.72  0.2  1.0
  Se  Se21  1  -0.0  0.72  0.81  1.0
  Se  Se22  1  0.0  0.0  0.0  1.0
  Se  Se23  1  0.01  0.36  0.01  1.0
  Se  Se24  1  0.08  0.01  0.23  1.0
  Se  Se25  1  0.18  0.99  0.01  1.0
  Se  Se26  1  0.27  0.45  0.01  1.0
  Se  Se27  1  0.36  0.44  0.23  1.0
  Se  Se28  1  0.44  0.08  0.01  1.0
  Se  Se29  1  0.45  0.18  0.22  1.0
  Se  Se30  1  0.46  0.71  0.6  1.0
  Se  Se31  1  0.49  0.57  0.4  1.0
  Se  Se32  1  0.52  0.54  0.16  1.0
  Se  Se33  1  0.54  0.92  0.07  1.0
  Se  Se34  1  0.57  0.95  0.83  1.0
  Se  Se35  1  0.59  0.77  0.01  1.0
  Se  Se36  1  0.62  0.8  0.54  1.0
  Se  Se37  1  0.64  0.72  0.62  1.0
  Se  Se38  1  0.64  0.62  0.69  1.0
  Se  Se39  1  0.68  0.59  0.22  1.0
  Se  Se40  1  0.71  0.99  0.63  1.0
  Se  Se41  1  0.72  0.8  0.61  1.0
  Se  Se42  1  0.72  0.0  0.03  1.0
  Se  Se43  1  0.72  0.0  0.42  1.0
  Se  Se44  1  0.72  0.72  0.62  1.0
  Se  Se45  1  0.73  0.64  0.61  1.0
  Se  Se46  1  0.73  0.46  0.63  1.0
  Se  Se47  1  0.77  0.85  0.22  1.0
  Se  Se48  1  0.8  0.82  0.69  1.0
  Se  Se49  1  0.8  0.73  0.62  1.0
  Se  Se50  1  0.82  0.64  0.54  1.0
  Se  Se51  1  0.85  0.68  0.01  1.0
  Se  Se52  1  0.87  0.49  0.83  1.0
  Se  Se53  1  0.9  0.52  0.07  1.0
  Se  Se54  1  0.92  0.9  0.16  1.0
  Se  Se55  1  0.95  0.87  0.4  1.0
  Se  Se56  1  0.99  0.73  0.6  1.0
  Se  Se57  1  0.99  0.27  0.22  1.0

Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Ce Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se Se
Ce10Se19 crystallizes in the triclinic P1 space group. There are twenty inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a single-bond geometry to one Se(33), one Se(34), and one Se(38) atom. The Ce(1)-Se(33) bond length is 2.21 Å. The Ce(1)-Se(34) bond length is 1.06 Å. The Ce(1)-Se(38) bond length is 2.56 Å. In the second Ce site, Ce(2) is bonded in a single-bond geometry to one Se(24,35) and one Se(26,32) atom. The Ce(2)-Se(24,35) bond length is 1.06 Å. The Ce(2)-Se(26,32) bond length is 2.21 Å. In the third Ce site, Ce(3) is bonded in a 2-coordinate geometry to one Se(13), one Se(2), and one Se(36) atom. The Ce(3)-Se(13) bond length is 3.37 Å. The Ce(3)-Se(2) bond length is 2.03 Å. The Ce(3)-Se(36) bond length is 2.05 Å. In the fourth Ce site, Ce(4) is bonded in a 3-coordinate geometry to one Se(11), one Se(15), and one Se(2) atom. The Ce(4)-Se(11) bond length is 1.71 Å. The Ce(4)-Se(15) bond length is 1.52 Å. The Ce(4)-Se(2) bond length is 1.72 Å. In the fifth Ce site, Ce(5) is bonded in a 3-coordinate geometry to one Se(1), one Se(12), one Se(13), one Se(16), and one Se(38) atom. The Ce(5)-Se(1) bond length is 1.72 Å. The Ce(5)-Se(12) bond length is 1.71 Å. The Ce(5)-Se(13) bond length is 3.09 Å. The Ce(5)-Se(16) bond length is 1.52 Å. The Ce(5)-Se(38) bond length is 2.79 Å. In the sixth Ce site, Ce(6) is bonded in a 3-coordinate geometry to one Se(19), one Se(20), one Se(4), one Se(6), and one Se(9) atom. The Ce(6)-Se(19) bond length is 1.72 Å. The Ce(6)-Se(20) bond length is 2.79 Å. The Ce(6)-Se(4) bond length is 1.52 Å. The Ce(6)-Se(6) bond length is 3.09 Å. The Ce(6)-Se(9) bond length is 1.71 Å. In the seventh Ce site, Ce(7) is bonded in a 3-coordinate geometry to one Se(18), one Se(5), and one Se(8) atom. The Ce(7)-Se(18) bond length is 1.72 Å. The Ce(7)-Se(5) bond length is 1.52 Å. The Ce(7)-Se(8) bond length is 1.71 Å. In the eighth Ce site, Ce(8) is bonded in a 2-coordinate geometry to one Se(18), one Se(22), and one Se(6) atom. The Ce(8)-Se(18) bond length is 2.03 Å. The Ce(8)-Se(22) bond length is 2.05 Å. The Ce(8)-Se(6) bond length is 3.37 Å. In the ninth Ce site, Ce(9) is bonded in a single-bond geometry to one Se(20), one Se(23), and one Se(25) atom. The Ce(9)-Se(20) bond length is 2.56 Å. The Ce(9)-Se(23) bond length is 1.06 Å. The Ce(9)-Se(25) bond length is 2.21 Å. In the tenth Ce site, Ce(10) is bonded in a distorted single-bond geometry to one Se(24,35) and one Se(26,32) atom. The Ce(10)-Se(24,35) bond length is 1.06 Å. The Ce(10)-Se(26,32) bond length is 2.21 Å. In the eleventh Ce site, Ce(11) is bonded in a distorted single-bond geometry to one Se(15), one Se(19), and one Se(7) atom. The Ce(11)-Se(15) bond length is 1.06 Å. The Ce(11)-Se(19) bond length is 2.57 Å. The Ce(11)-Se(7) bond length is 2.94 Å. In the twelfth Ce site, Ce(12) is bonded in a distorted single-bond geometry to one Se(16), one Se(18), one Se(3), and one Se(6) atom. The Ce(12)-Se(16) bond length is 1.06 Å. The Ce(12)-Se(18) bond length is 2.57 Å. The Ce(12)-Se(3) bond length is 1.97 Å. The Ce(12)-Se(6) bond length is 2.94 Å. In the thirteenth Ce site, Ce(13) is bonded in a 2-coordinate geometry to one Se(17) and one Se(21) atom. The Ce(13)-Se(17) bond length is 2.05 Å. The Ce(13)-Se(21) bond length is 2.03 Å. In the fourteenth Ce site, Ce(14) is bonded in a distorted single-bond geometry to one Se(21) and one Se(22) atom. The Ce(14)-Se(21) bond length is 1.72 Å. The Ce(14)-Se(22) bond length is 2.46 Å. In the fifteenth Ce site, Ce(15) is bonded in a distorted single-bond geometry to one Se(20) atom. The Ce(15)-Se(20) bond length is 1.72 Å. In the sixteenth Ce site, Ce(16) is bonded in a distorted single-bond geometry to one Se(38) atom. The Ce(16)-Se(38) bond length is 1.72 Å. In the seventeenth Ce site, Ce(17) is bonded in a 1-coordinate geometry to one Se(36) and one Se(37) atom. The Ce(17)-Se(36) bond length is 2.46 Å. The Ce(17)-Se(37) bond length is 1.72 Å. In the eighteenth Ce site, Ce(18) is bonded in a 2-coordinate geometry to one Se(3) and one Se(38) atom. The Ce(18)-Se(3) bond length is 2.05 Å. The Ce(18)-Se(38) bond length is 2.03 Å. In the nineteenth Ce site, Ce(19) is bonded in a distorted single-bond geometry to one Se(1), one Se(14), and one Se(4) atom. The Ce(19)-Se(1) bond length is 2.57 Å. The Ce(19)-Se(14) bond length is 2.94 Å. The Ce(19)-Se(4) bond length is 1.06 Å. In the twentieth Ce site, Ce(20) is bonded in a single-bond geometry to one Se(10), one Se(13), one Se(17), one Se(2), and one Se(5) atom. The Ce(20)-Se(10) bond length is 2.37 Å. The Ce(20)-Se(13) bond length is 2.94 Å. The Ce(20)-Se(17) bond length is 1.97 Å. The Ce(20)-Se(2) bond length is 2.57 Å. The Ce(20)-Se(5) bond length is 1.06 Å. There are thirty-six inequivalent Se sites. In the first Se site, Se(1) is bonded in a 2-coordinate geometry to one Ce(19) and one Ce(5) atom. In the second Se site, Se(2) is bonded in a 3-coordinate geometry to one Ce(20), one Ce(3), and one Ce(4) atom. In the third Se site, Se(3) is bonded in a 2-coordinate geometry to one Ce(12) and one Ce(18) atom. In the fourth Se site, Se(4) is bonded in a distorted bent 150 degrees geometry to one Ce(19) and one Ce(6) atom. In the fifth Se site, Se(5) is bonded in a distorted bent 150 degrees geometry to one Ce(20) and one Ce(7) atom. In the sixth Se site, Se(6) is bonded in a 4-coordinate geometry to one Ce(12), one Ce(6), one Ce(8), and one Se(9) atom. The Se(6)-Se(9) bond length is 2.60 Å. In the seventh Se site, Se(7) is bonded in a distorted single-bond geometry to one Ce(11) atom. In the eighth Se site, Se(8) is bonded in a single-bond geometry to one Ce(7) atom. In the ninth Se site, Se(9) is bonded in a single-bond geometry to one Ce(6) and one Se(6) atom. In the tenth Se site, Se(10) is bonded in a 1-coordinate geometry to one Ce(20) and one Se(13) atom. The Se(10)-Se(13) bond length is 1.70 Å. In the eleventh Se site, Se(11) is bonded in a single-bond geometry to one Ce(4) atom. In the twelfth Se site, Se(12) is bonded in a single-bond geometry to one Ce(5) and one Se(13) atom. The Se(12)-Se(13) bond length is 2.60 Å. In the thirteenth Se site, Se(13) is bonded in a 5-coordinate geometry to one Ce(20), one Ce(3), one Ce(5), one Se(10), and one Se(12) atom. In the fourteenth Se site, Se(14) is bonded in a distorted single-bond geometry to one Ce(19) atom. In the fifteenth Se site, Se(15) is bonded in a distorted bent 150 degrees geometry to one Ce(11) and one Ce(4) atom. In the sixteenth Se site, Se(16) is bonded in a distorted bent 150 degrees geometry to one Ce(12) and one Ce(5) atom. In the seventeenth Se site, Se(17) is bonded in a 2-coordinate geometry to one Ce(13) and one Ce(20) atom. In the eighteenth Se site, Se(18) is bonded in a 3-coordinate geometry to one Ce(12), one Ce(7), and one Ce(8) atom. In the nineteenth Se site, Se(19) is bonded in a 2-coordinate geometry to one Ce(11) and one Ce(6) atom. In the twentieth Se site, Se(20) is bonded in a distorted single-bond geometry to one Ce(15), one Ce(6), and one Ce(9) atom. In the twenty-first Se site, Se(21) is bonded in a distorted single-bond geometry to one Ce(13) and one Ce(14) atom. In the twenty-second Se site, Se(22) is bonded in a 2-coordinate geometry to one Ce(14) and one Ce(8) atom. In the twenty-third Se site, Se(23) is bonded in a single-bond geometry to one Ce(9) atom. In the twenty-fourth Se site, Se(24,35) is bonded in a distorted single-bond geometry to one Ce(10) atom. In the twenty-fifth Se site, Se(25) is bonded in a 2-coordinate geometry to one Ce(9) and one Se(31) atom. The Se(25)-Se(31) bond length is 1.77 Å. In the twenty-sixth Se site, Se(26,32) is bonded in a 2-coordinate geometry to one Ce(10) and one Se(30) atom. The Se(26,32)-Se(30) bond length is 1.77 Å. In the twenty-seventh Se site, Se(27) is bonded in a single-bond geometry to one Se(26,32) and one Se(29) atom. The Se(27)-Se(26,32) bond length is 1.77 Å. The Se(27)-Se(29) bond length is 0.79 Å. In the twenty-eighth Se site, Se(28) is bonded in a single-bond geometry to one Se(29) and one Se(33) atom. The Se(28)-Se(29) bond length is 0.79 Å. The Se(28)-Se(33) bond length is 1.77 Å. In the twenty-ninth Se site, Se(29) is bonded in a square co-planar geometry to one Se(27), one Se(28), one Se(30), and one Se(31) atom. The Se(29)-Se(30) bond length is 0.79 Å. The Se(29)-Se(31) bond length is 0.79 Å. In the thirtieth Se site, Se(30) is bonded in a single-bond geometry to one Se(26,32) and one Se(29) atom. In the thirty-first Se site, Se(31) is bonded in a single-bond geometry to one Se(25) and one Se(29) atom. In the thirty-second Se site, Se(33) is bonded in a 2-coordinate geometry to one Ce(1) and one Se(28) atom. In the thirty-third Se site, Se(34) is bonded in a single-bond geometry to one Ce(1) atom. In the thirty-fourth Se site, Se(36) is bonded in a 2-coordinate geometry to one Ce(17) and one Ce(3) atom. In the thirty-fifth Se site, Se(37) is bonded in a distorted single-bond geometry to one Ce(17) atom. In the thirty-sixth Se site, Se(38) is bonded in a 4-coordinate geometry to one Ce(1), one Ce(16), one Ce(18), and one Ce(5) atom.