The material described by Li19(Mn3As4)3 crystallizes in the orthorhombic Pmm2 space group. There are sixteen inequivalent Li sites. In the first Li site, Li(1) is bonded to one Mn(2,7); two equivalent As(1); and two equivalent As(7) atoms to form distorted LiMnAs4 tetrahedra that share corners with two equivalent As(2)Li8Mn4 cuboctahedra, corners with four equivalent Li(1)MnAs4 tetrahedra, and edges with four equivalent Li(10)MnAs4 tetrahedra. In the second Li site, Li(2,12) is bonded in a 4-coordinate geometry to two equivalent Li(16), two equivalent As(2), and two equivalent As(8) atoms. In the third Li site, Li(3,11) is bonded to one Mn(4,9); two equivalent As(3); and two equivalent As(9) atoms to form a mixture of distorted edge and corner-sharing LiMnAs4 tetrahedra. In the fourth Li site, Li(4,13) is bonded in a 4-coordinate geometry to two equivalent Li(17), two equivalent As(10), and two equivalent As(4) atoms. In the fifth Li site, Li(5) is bonded to two equivalent Li(18), one Mn(5), two equivalent As(11), and two equivalent As(5) atoms to form distorted LiLi2MnAs4 tetrahedra that share corners with two equivalent As(6)Li10Mn2 cuboctahedra, corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(5)Li2MnAs4 tetrahedra, corners with four equivalent Li(7)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(5)Li2MnAs4 tetrahedra, edges with four equivalent Li(8)Li2As4 tetrahedra, edges with four equivalent Li(9)Li2Mn4As4 tetrahedra,  a faceface with one Li(7)Li2As4 tetrahedra, and faces with four equivalent Li(14)Li2As4 tetrahedra. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to two equivalent Li(19), two equivalent As(12), and two equivalent As(6) atoms. In the seventh Li site, Li(7) is bonded to two equivalent Li(18), two equivalent As(10), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(7)Li2As4 tetrahedra, corners with four equivalent Li(5)Li2MnAs4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(7)Li2As4 tetrahedra, edges with four equivalent Li(14)Li2As4 tetrahedra,  a faceface with one Li(5)Li2MnAs4 tetrahedra, and faces with four equivalent Li(8)Li2As4 tetrahedra. In the eighth Li site, Li(8) is bonded to two equivalent Li(18), two equivalent As(10), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(8)Li2As4 tetrahedra, corners with four equivalent Li(14)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(8)Li2As4 tetrahedra, edges with four equivalent Li(5)Li2MnAs4 tetrahedra,  a faceface with one Li(14)Li2As4 tetrahedra, and faces with four equivalent Li(7)Li2As4 tetrahedra. In the ninth Li site, Li(9) is bonded to two equivalent Li(19), four equivalent Mn(5), two equivalent As(11), and two equivalent As(6) atoms to form distorted LiLi2Mn4As4 tetrahedra that share corners with two equivalent Li(14)Li2As4 tetrahedra, corners with four equivalent Li(9)Li2Mn4As4 tetrahedra, edges with four equivalent As(6)Li10Mn2 cuboctahedra,  an edgeedge with one Li(14)Li2As4 tetrahedra, edges with four equivalent Li(5)Li2MnAs4 tetrahedra, faces with two equivalent As(6)Li10Mn2 cuboctahedra, and faces with four equivalent Li(9)Li2Mn4As4 tetrahedra. In the tenth Li site, Li(10) is bonded to one Mn(2,7); two equivalent As(1); and two equivalent As(7) atoms to form distorted LiMnAs4 tetrahedra that share corners with two equivalent As(2)Li8Mn4 cuboctahedra, corners with four equivalent Li(10)MnAs4 tetrahedra, and edges with four equivalent Li(1)MnAs4 tetrahedra. In the eleventh Li site, Li(14) is bonded to two equivalent Li(18), two equivalent As(11), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(14)Li2As4 tetrahedra, corners with two equivalent Li(9)Li2Mn4As4 tetrahedra, corners with four equivalent Li(8)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra,  an edgeedge with one Li(9)Li2Mn4As4 tetrahedra, edges with two equivalent Li(14)Li2As4 tetrahedra, edges with four equivalent Li(7)Li2As4 tetrahedra,  a faceface with one Li(8)Li2As4 tetrahedra, and faces with four equivalent Li(5)Li2MnAs4 tetrahedra. In the twelfth Li site, Li(15) is bonded in a 4-coordinate geometry to two equivalent Li(19), two equivalent As(12), and two equivalent As(6) atoms. In the thirteenth Li site, Li(16) is bonded in a 14-coordinate geometry to four equivalent Li(2,12); four equivalent Mn(2,7); one As(7); one As(8); and four equivalent As(2) atoms. In the fourteenth Li site, Li(17) is bonded in a 13-coordinate geometry to four equivalent Li(4,13); four equivalent Mn(4,9); one As(10); and four equivalent As(4) atoms. In the fifteenth Li site, Li(18) is bonded in a 13-coordinate geometry to two equivalent Li(14), two equivalent Li(5), two equivalent Li(7), two equivalent Li(8), one As(10), and four equivalent As(5) atoms. In the sixteenth Li site, Li(19) is bonded in a 13-coordinate geometry to two equivalent Li(15), two equivalent Li(6), two equivalent Li(9), two equivalent Mn(5), one As(11), and four equivalent As(6) atoms. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to two equivalent As(1) and two equivalent As(12) atoms. In the second Mn site, Mn(2,7) is bonded in a 7-coordinate geometry to one Li(1), two equivalent Li(16), two equivalent As(2), and two equivalent As(7) atoms. In the third Mn site, Mn(3,8) is bonded in a 4-coordinate geometry to two equivalent As(3) and two equivalent As(8) atoms. In the fourth Mn site, Mn(4,9) is bonded in a 7-coordinate geometry to one Li(3,11); two equivalent Li(17); two equivalent As(4); and two equivalent As(9) atoms. In the fifth Mn site, Mn(5) is bonded in a 11-coordinate geometry to one Li(5), two equivalent Li(19), four equivalent Li(9), two equivalent As(11), and two equivalent As(6) atoms. In the sixth Mn site, Mn(6) is bonded in a 4-coordinate geometry to two equivalent As(1) and two equivalent As(12) atoms. There are twelve inequivalent As sites. In the first As site, As(1) is bonded in a body-centered cubic geometry to two equivalent Li(1), two equivalent Li(10), two equivalent Mn(1), and two equivalent Mn(6) atoms. In the second As site, As(2) is bonded to four equivalent Li(16); four equivalent Li(2,12); and four equivalent Mn(2,7) atoms to form distorted AsLi8Mn4 cuboctahedra that share corners with four equivalent As(2)Li8Mn4 cuboctahedra, corners with two equivalent Li(1)MnAs4 tetrahedra, corners with two equivalent Li(10)MnAs4 tetrahedra, and faces with four equivalent As(2)Li8Mn4 cuboctahedra. In the third As site, As(3) is bonded in a body-centered cubic geometry to four equivalent Li(3,11) and four equivalent Mn(3,8) atoms. In the fourth As site, As(4) is bonded in a 12-coordinate geometry to four equivalent Li(17); four equivalent Li(4,13); and four equivalent Mn(4,9) atoms. In the fifth As site, As(5) is bonded to two equivalent Li(14), two equivalent Li(5), two equivalent Li(7), two equivalent Li(8), and four equivalent Li(18) atoms to form distorted AsLi12 cuboctahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with four equivalent Li(14)Li2As4 tetrahedra, corners with four equivalent Li(7)Li2As4 tetrahedra, corners with four equivalent Li(8)Li2As4 tetrahedra, corners with four equivalent Li(5)Li2MnAs4 tetrahedra, edges with two equivalent Li(14)Li2As4 tetrahedra, edges with two equivalent Li(7)Li2As4 tetrahedra, edges with two equivalent Li(8)Li2As4 tetrahedra, edges with two equivalent Li(5)Li2MnAs4 tetrahedra, and faces with four equivalent As(5)Li12 cuboctahedra. In the sixth As site, As(6) is bonded to two equivalent Li(15), two equivalent Li(6), two equivalent Li(9), four equivalent Li(19), and two equivalent Mn(5) atoms to form distorted AsLi10Mn2 cuboctahedra that share corners with four equivalent As(6)Li10Mn2 cuboctahedra, corners with two equivalent Li(5)Li2MnAs4 tetrahedra, edges with four equivalent Li(9)Li2Mn4As4 tetrahedra, faces with four equivalent As(6)Li10Mn2 cuboctahedra, and faces with two equivalent Li(9)Li2Mn4As4 tetrahedra. In the seventh As site, As(7) is bonded in a body-centered cubic geometry to one Li(16); two equivalent Li(1); two equivalent Li(10); and four equivalent Mn(2,7) atoms. In the eighth As site, As(8) is bonded in a body-centered cubic geometry to one Li(16); four equivalent Li(2,12); and four equivalent Mn(3,8) atoms. In the ninth As site, As(9) is bonded in a body-centered cubic geometry to four equivalent Li(3,11) and four equivalent Mn(4,9) atoms. In the tenth As site, As(10) is bonded in a 8-coordinate geometry to one Li(17); one Li(18); two equivalent Li(7); two equivalent Li(8); and four equivalent Li(4,13) atoms. In the eleventh As site, As(11) is bonded in a distorted body-centered cubic geometry to one Li(19), two equivalent Li(14), two equivalent Li(5), two equivalent Li(9), and two equivalent Mn(5) atoms. In the twelfth As site, As(12) is bonded in a body-centered cubic geometry to two equivalent Li(15), two equivalent Li(6), two equivalent Mn(1), and two equivalent Mn(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li19(Mn3As4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.230
_cell_length_b   4.232
_cell_length_c   36.977
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   661.889
_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
  Li  Li0  1  0.000  0.000  0.918  1.0
  Li  Li1  1  0.000  0.000  0.745  1.0
  Li  Li2  1  0.000  0.000  0.584  1.0
  Li  Li3  1  0.000  0.000  0.410  1.0
  Li  Li4  1  0.000  0.000  0.249  1.0
  Li  Li5  1  0.000  0.000  0.079  1.0
  Li  Li6  1  0.000  0.000  0.338  1.0
  Li  Li7  1  0.500  0.500  0.338  1.0
  Li  Li8  1  0.500  0.500  0.170  1.0
  Li  Li9  1  0.500  0.500  0.918  1.0
  Li  Li10  1  0.500  0.500  0.584  1.0
  Li  Li11  1  0.500  0.500  0.745  1.0
  Li  Li12  1  0.500  0.500  0.410  1.0
  Li  Li13  1  0.500  0.500  0.247  1.0
  Li  Li14  1  0.500  0.500  0.079  1.0
  Li  Li15  1  0.000  0.500  0.790  1.0
  Li  Li16  1  0.000  0.500  0.453  1.0
  Li  Li17  1  0.000  0.500  0.294  1.0
  Li  Li18  1  0.000  0.500  0.125  1.0
  Mn  Mn19  1  0.000  0.000  1.000  1.0
  Mn  Mn20  1  0.000  0.000  0.836  1.0
  Mn  Mn21  1  0.000  0.000  0.667  1.0
  Mn  Mn22  1  0.000  0.000  0.503  1.0
  Mn  Mn23  1  0.000  0.000  0.170  1.0
  Mn  Mn24  1  0.500  0.500  1.000  1.0
  Mn  Mn25  1  0.500  0.500  0.836  1.0
  Mn  Mn26  1  0.500  0.500  0.667  1.0
  Mn  Mn27  1  0.500  0.500  0.503  1.0
  As  As28  1  0.500  0.000  0.962  1.0
  As  As29  1  0.500  0.000  0.794  1.0
  As  As30  1  0.500  0.000  0.629  1.0
  As  As31  1  0.500  0.000  0.464  1.0
  As  As32  1  0.500  0.000  0.291  1.0
  As  As33  1  0.500  0.000  0.125  1.0
  As  As34  1  0.000  0.500  0.874  1.0
  As  As35  1  0.000  0.500  0.706  1.0
  As  As36  1  0.000  0.500  0.540  1.0
  As  As37  1  0.000  0.500  0.377  1.0
  As  As38  1  0.000  0.500  0.207  1.0
  As  As39  1  0.000  0.500  0.038  1.0
[/CIF]
.
The material described by Li19(Mn3As4)3 crystallizes in the orthorhombic Pmm2 space group. There are sixteen inequivalent Li sites. In the first Li site, Li(1) is bonded to one Mn(2,7); two equivalent As(1); and two equivalent As(7) atoms to form distorted LiMnAs4 tetrahedra that share corners with two equivalent As(2)Li8Mn4 cuboctahedra, corners with four equivalent Li(1)MnAs4 tetrahedra, and edges with four equivalent Li(10)MnAs4 tetrahedra. In the second Li site, Li(2,12) is bonded in a 4-coordinate geometry to two equivalent Li(16), two equivalent As(2), and two equivalent As(8) atoms. In the third Li site, Li(3,11) is bonded to one Mn(4,9); two equivalent As(3); and two equivalent As(9) atoms to form a mixture of distorted edge and corner-sharing LiMnAs4 tetrahedra. In the fourth Li site, Li(4,13) is bonded in a 4-coordinate geometry to two equivalent Li(17), two equivalent As(10), and two equivalent As(4) atoms. In the fifth Li site, Li(5) is bonded to two equivalent Li(18), one Mn(5), two equivalent As(11), and two equivalent As(5) atoms to form distorted LiLi2MnAs4 tetrahedra that share corners with two equivalent As(6)Li10Mn2 cuboctahedra, corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(5)Li2MnAs4 tetrahedra, corners with four equivalent Li(7)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(5)Li2MnAs4 tetrahedra, edges with four equivalent Li(8)Li2As4 tetrahedra, edges with four equivalent Li(9)Li2Mn4As4 tetrahedra,  a faceface with one Li(7)Li2As4 tetrahedra, and faces with four equivalent Li(14)Li2As4 tetrahedra. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to two equivalent Li(19), two equivalent As(12), and two equivalent As(6) atoms. In the seventh Li site, Li(7) is bonded to two equivalent Li(18), two equivalent As(10), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(7)Li2As4 tetrahedra, corners with four equivalent Li(5)Li2MnAs4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(7)Li2As4 tetrahedra, edges with four equivalent Li(14)Li2As4 tetrahedra,  a faceface with one Li(5)Li2MnAs4 tetrahedra, and faces with four equivalent Li(8)Li2As4 tetrahedra. In the eighth Li site, Li(8) is bonded to two equivalent Li(18), two equivalent As(10), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(8)Li2As4 tetrahedra, corners with four equivalent Li(14)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra, edges with two equivalent Li(8)Li2As4 tetrahedra, edges with four equivalent Li(5)Li2MnAs4 tetrahedra,  a faceface with one Li(14)Li2As4 tetrahedra, and faces with four equivalent Li(7)Li2As4 tetrahedra. In the ninth Li site, Li(9) is bonded to two equivalent Li(19), four equivalent Mn(5), two equivalent As(11), and two equivalent As(6) atoms to form distorted LiLi2Mn4As4 tetrahedra that share corners with two equivalent Li(14)Li2As4 tetrahedra, corners with four equivalent Li(9)Li2Mn4As4 tetrahedra, edges with four equivalent As(6)Li10Mn2 cuboctahedra,  an edgeedge with one Li(14)Li2As4 tetrahedra, edges with four equivalent Li(5)Li2MnAs4 tetrahedra, faces with two equivalent As(6)Li10Mn2 cuboctahedra, and faces with four equivalent Li(9)Li2Mn4As4 tetrahedra. In the tenth Li site, Li(10) is bonded to one Mn(2,7); two equivalent As(1); and two equivalent As(7) atoms to form distorted LiMnAs4 tetrahedra that share corners with two equivalent As(2)Li8Mn4 cuboctahedra, corners with four equivalent Li(10)MnAs4 tetrahedra, and edges with four equivalent Li(1)MnAs4 tetrahedra. In the eleventh Li site, Li(14) is bonded to two equivalent Li(18), two equivalent As(11), and two equivalent As(5) atoms to form distorted LiLi2As4 tetrahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with two equivalent Li(14)Li2As4 tetrahedra, corners with two equivalent Li(9)Li2Mn4As4 tetrahedra, corners with four equivalent Li(8)Li2As4 tetrahedra, edges with two equivalent As(5)Li12 cuboctahedra,  an edgeedge with one Li(9)Li2Mn4As4 tetrahedra, edges with two equivalent Li(14)Li2As4 tetrahedra, edges with four equivalent Li(7)Li2As4 tetrahedra,  a faceface with one Li(8)Li2As4 tetrahedra, and faces with four equivalent Li(5)Li2MnAs4 tetrahedra. In the twelfth Li site, Li(15) is bonded in a 4-coordinate geometry to two equivalent Li(19), two equivalent As(12), and two equivalent As(6) atoms. In the thirteenth Li site, Li(16) is bonded in a 14-coordinate geometry to four equivalent Li(2,12); four equivalent Mn(2,7); one As(7); one As(8); and four equivalent As(2) atoms. In the fourteenth Li site, Li(17) is bonded in a 13-coordinate geometry to four equivalent Li(4,13); four equivalent Mn(4,9); one As(10); and four equivalent As(4) atoms. In the fifteenth Li site, Li(18) is bonded in a 13-coordinate geometry to two equivalent Li(14), two equivalent Li(5), two equivalent Li(7), two equivalent Li(8), one As(10), and four equivalent As(5) atoms. In the sixteenth Li site, Li(19) is bonded in a 13-coordinate geometry to two equivalent Li(15), two equivalent Li(6), two equivalent Li(9), two equivalent Mn(5), one As(11), and four equivalent As(6) atoms. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to two equivalent As(1) and two equivalent As(12) atoms. In the second Mn site, Mn(2,7) is bonded in a 7-coordinate geometry to one Li(1), two equivalent Li(16), two equivalent As(2), and two equivalent As(7) atoms. In the third Mn site, Mn(3,8) is bonded in a 4-coordinate geometry to two equivalent As(3) and two equivalent As(8) atoms. In the fourth Mn site, Mn(4,9) is bonded in a 7-coordinate geometry to one Li(3,11); two equivalent Li(17); two equivalent As(4); and two equivalent As(9) atoms. In the fifth Mn site, Mn(5) is bonded in a 11-coordinate geometry to one Li(5), two equivalent Li(19), four equivalent Li(9), two equivalent As(11), and two equivalent As(6) atoms. In the sixth Mn site, Mn(6) is bonded in a 4-coordinate geometry to two equivalent As(1) and two equivalent As(12) atoms. There are twelve inequivalent As sites. In the first As site, As(1) is bonded in a body-centered cubic geometry to two equivalent Li(1), two equivalent Li(10), two equivalent Mn(1), and two equivalent Mn(6) atoms. In the second As site, As(2) is bonded to four equivalent Li(16); four equivalent Li(2,12); and four equivalent Mn(2,7) atoms to form distorted AsLi8Mn4 cuboctahedra that share corners with four equivalent As(2)Li8Mn4 cuboctahedra, corners with two equivalent Li(1)MnAs4 tetrahedra, corners with two equivalent Li(10)MnAs4 tetrahedra, and faces with four equivalent As(2)Li8Mn4 cuboctahedra. In the third As site, As(3) is bonded in a body-centered cubic geometry to four equivalent Li(3,11) and four equivalent Mn(3,8) atoms. In the fourth As site, As(4) is bonded in a 12-coordinate geometry to four equivalent Li(17); four equivalent Li(4,13); and four equivalent Mn(4,9) atoms. In the fifth As site, As(5) is bonded to two equivalent Li(14), two equivalent Li(5), two equivalent Li(7), two equivalent Li(8), and four equivalent Li(18) atoms to form distorted AsLi12 cuboctahedra that share corners with four equivalent As(5)Li12 cuboctahedra, corners with four equivalent Li(14)Li2As4 tetrahedra, corners with four equivalent Li(7)Li2As4 tetrahedra, corners with four equivalent Li(8)Li2As4 tetrahedra, corners with four equivalent Li(5)Li2MnAs4 tetrahedra, edges with two equivalent Li(14)Li2As4 tetrahedra, edges with two equivalent Li(7)Li2As4 tetrahedra, edges with two equivalent Li(8)Li2As4 tetrahedra, edges with two equivalent Li(5)Li2MnAs4 tetrahedra, and faces with four equivalent As(5)Li12 cuboctahedra. In the sixth As site, As(6) is bonded to two equivalent Li(15), two equivalent Li(6), two equivalent Li(9), four equivalent Li(19), and two equivalent Mn(5) atoms to form distorted AsLi10Mn2 cuboctahedra that share corners with four equivalent As(6)Li10Mn2 cuboctahedra, corners with two equivalent Li(5)Li2MnAs4 tetrahedra, edges with four equivalent Li(9)Li2Mn4As4 tetrahedra, faces with four equivalent As(6)Li10Mn2 cuboctahedra, and faces with two equivalent Li(9)Li2Mn4As4 tetrahedra. In the seventh As site, As(7) is bonded in a body-centered cubic geometry to one Li(16); two equivalent Li(1); two equivalent Li(10); and four equivalent Mn(2,7) atoms. In the eighth As site, As(8) is bonded in a body-centered cubic geometry to one Li(16); four equivalent Li(2,12); and four equivalent Mn(3,8) atoms. In the ninth As site, As(9) is bonded in a body-centered cubic geometry to four equivalent Li(3,11) and four equivalent Mn(4,9) atoms. In the tenth As site, As(10) is bonded in a 8-coordinate geometry to one Li(17); one Li(18); two equivalent Li(7); two equivalent Li(8); and four equivalent Li(4,13) atoms. In the eleventh As site, As(11) is bonded in a distorted body-centered cubic geometry to one Li(19), two equivalent Li(14), two equivalent Li(5), two equivalent Li(9), and two equivalent Mn(5) atoms. In the twelfth As site, As(12) is bonded in a body-centered cubic geometry to two equivalent Li(15), two equivalent Li(6), two equivalent Mn(1), and two equivalent Mn(6) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li19(Mn3As4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.230
_cell_length_b   4.232
_cell_length_c   36.977
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   661.889
_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
  Li  Li0  1  0.000  0.000  0.918  1.0
  Li  Li1  1  0.000  0.000  0.745  1.0
  Li  Li2  1  0.000  0.000  0.584  1.0
  Li  Li3  1  0.000  0.000  0.410  1.0
  Li  Li4  1  0.000  0.000  0.249  1.0
  Li  Li5  1  0.000  0.000  0.079  1.0
  Li  Li6  1  0.000  0.000  0.338  1.0
  Li  Li7  1  0.500  0.500  0.338  1.0
  Li  Li8  1  0.500  0.500  0.170  1.0
  Li  Li9  1  0.500  0.500  0.918  1.0
  Li  Li10  1  0.500  0.500  0.584  1.0
  Li  Li11  1  0.500  0.500  0.745  1.0
  Li  Li12  1  0.500  0.500  0.410  1.0
  Li  Li13  1  0.500  0.500  0.247  1.0
  Li  Li14  1  0.500  0.500  0.079  1.0
  Li  Li15  1  0.000  0.500  0.790  1.0
  Li  Li16  1  0.000  0.500  0.453  1.0
  Li  Li17  1  0.000  0.500  0.294  1.0
  Li  Li18  1  0.000  0.500  0.125  1.0
  Mn  Mn19  1  0.000  0.000  1.000  1.0
  Mn  Mn20  1  0.000  0.000  0.836  1.0
  Mn  Mn21  1  0.000  0.000  0.667  1.0
  Mn  Mn22  1  0.000  0.000  0.503  1.0
  Mn  Mn23  1  0.000  0.000  0.170  1.0
  Mn  Mn24  1  0.500  0.500  1.000  1.0
  Mn  Mn25  1  0.500  0.500  0.836  1.0
  Mn  Mn26  1  0.500  0.500  0.667  1.0
  Mn  Mn27  1  0.500  0.500  0.503  1.0
  As  As28  1  0.500  0.000  0.962  1.0
  As  As29  1  0.500  0.000  0.794  1.0
  As  As30  1  0.500  0.000  0.629  1.0
  As  As31  1  0.500  0.000  0.464  1.0
  As  As32  1  0.500  0.000  0.291  1.0
  As  As33  1  0.500  0.000  0.125  1.0
  As  As34  1  0.000  0.500  0.874  1.0
  As  As35  1  0.000  0.500  0.706  1.0
  As  As36  1  0.000  0.500  0.540  1.0
  As  As37  1  0.000  0.500  0.377  1.0
  As  As38  1  0.000  0.500  0.207  1.0
  As  As39  1  0.000  0.500  0.038  1.0
[/CIF]
.