The structure described by Ca2Ni10H crystallizes in the monoclinic Cm space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a distorted single-bond geometry to two equivalent Ni(3), two equivalent Ni(7), three equivalent Ni(2), four equivalent Ni(8), and one H(1) atom. In the second Ca site, Ca(2) is bonded in a 18-coordinate geometry to two equivalent Ni(3), two equivalent Ni(7), three equivalent Ni(5), three equivalent Ni(6), four equivalent Ni(4), and four equivalent Ni(8) atoms. There are eight inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a single-bond geometry to one Ni(3), one Ni(7), two equivalent Ni(8), and one H(1) atom. In the second Ni site, Ni(2) is bonded in a 9-coordinate geometry to three equivalent Ca(1), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the third Ni site, Ni(3) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), and four equivalent Ni(4) atoms to form distorted NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(7)Ca4Ni8 cuboctahedra, corners with eight equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(3)Ca4Ni8 cuboctahedra, edges with eight equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with two equivalent H(1)CaNi3 trigonal pyramids, faces with two equivalent Ni(7)Ca4Ni8 cuboctahedra, and  a faceface with one H(1)CaNi3 trigonal pyramid. In the fourth Ni site, Ni(4) is bonded in a single-bond geometry to two equivalent Ca(2), one Ni(2), one Ni(5), one Ni(6), two equivalent Ni(3), and one H(1) atom. In the fifth Ni site, Ni(5) is bonded in a 9-coordinate geometry to three equivalent Ca(2), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the sixth Ni site, Ni(6) is bonded in a 9-coordinate geometry to three equivalent Ca(2), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the seventh Ni site, Ni(7) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), and four equivalent Ni(8) atoms to form NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(7)Ca4Ni8 cuboctahedra, corners with three equivalent H(1)CaNi3 trigonal pyramids, edges with two equivalent Ni(7)Ca4Ni8 cuboctahedra, faces with two equivalent Ni(3)Ca4Ni8 cuboctahedra, and faces with eight equivalent Ni(8)Ca4Ni8 cuboctahedra. In the eighth Ni site, Ni(8) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), two equivalent Ni(7), and two equivalent Ni(8) atoms to form NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(8)Ca4Ni8 cuboctahedra,  a cornercorner with one H(1)CaNi3 trigonal pyramid, edges with two equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with four equivalent Ni(3)Ca4Ni8 cuboctahedra,  an edgeedge with one H(1)CaNi3 trigonal pyramid, faces with four equivalent Ni(7)Ca4Ni8 cuboctahedra, and faces with four equivalent Ni(8)Ca4Ni8 cuboctahedra. H(1) is bonded to one Ca(1), one Ni(1), and two equivalent Ni(4) atoms to form HCaNi3 trigonal pyramids that share corners with two equivalent Ni(8)Ca4Ni8 cuboctahedra, corners with three equivalent Ni(7)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(3)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(8)Ca4Ni8 cuboctahedra, and  a faceface with one Ni(3)Ca4Ni8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca2Ni10H
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.961
_cell_length_b   4.953
_cell_length_c   7.833
_cell_angle_alpha   89.638
_cell_angle_beta   89.643
_cell_angle_gamma   60.549
_symmetry_Int_Tables_number   1
_cell_volume   167.593
_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
  Ca  Ca0  1  0.993  0.993  0.988  1.0
  Ca  Ca1  1  0.002  0.002  0.502  1.0
  Ni  Ni2  1  0.338  0.338  0.001  1.0
  Ni  Ni3  1  0.660  0.660  0.001  1.0
  Ni  Ni4  1  0.501  0.501  0.256  1.0
  Ni  Ni5  1  0.993  0.513  0.257  1.0
  Ni  Ni6  1  0.513  0.993  0.257  1.0
  Ni  Ni7  1  0.335  0.335  0.505  1.0
  Ni  Ni8  1  0.669  0.669  0.504  1.0
  Ni  Ni9  1  0.499  0.499  0.751  1.0
  Ni  Ni10  1  0.999  0.498  0.753  1.0
  Ni  Ni11  1  0.498  0.999  0.753  1.0
  H  H12  1  0.202  0.203  0.149  1.0
[/CIF]
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The structure described by Ca2Ni10H crystallizes in the monoclinic Cm space group. There are two inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a distorted single-bond geometry to two equivalent Ni(3), two equivalent Ni(7), three equivalent Ni(2), four equivalent Ni(8), and one H(1) atom. In the second Ca site, Ca(2) is bonded in a 18-coordinate geometry to two equivalent Ni(3), two equivalent Ni(7), three equivalent Ni(5), three equivalent Ni(6), four equivalent Ni(4), and four equivalent Ni(8) atoms. There are eight inequivalent Ni sites. In the first Ni site, Ni(1) is bonded in a single-bond geometry to one Ni(3), one Ni(7), two equivalent Ni(8), and one H(1) atom. In the second Ni site, Ni(2) is bonded in a 9-coordinate geometry to three equivalent Ca(1), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the third Ni site, Ni(3) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), and four equivalent Ni(4) atoms to form distorted NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(7)Ca4Ni8 cuboctahedra, corners with eight equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(3)Ca4Ni8 cuboctahedra, edges with eight equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with two equivalent H(1)CaNi3 trigonal pyramids, faces with two equivalent Ni(7)Ca4Ni8 cuboctahedra, and  a faceface with one H(1)CaNi3 trigonal pyramid. In the fourth Ni site, Ni(4) is bonded in a single-bond geometry to two equivalent Ca(2), one Ni(2), one Ni(5), one Ni(6), two equivalent Ni(3), and one H(1) atom. In the fifth Ni site, Ni(5) is bonded in a 9-coordinate geometry to three equivalent Ca(2), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the sixth Ni site, Ni(6) is bonded in a 9-coordinate geometry to three equivalent Ca(2), one Ni(3), one Ni(7), two equivalent Ni(4), and two equivalent Ni(8) atoms. In the seventh Ni site, Ni(7) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), and four equivalent Ni(8) atoms to form NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(7)Ca4Ni8 cuboctahedra, corners with three equivalent H(1)CaNi3 trigonal pyramids, edges with two equivalent Ni(7)Ca4Ni8 cuboctahedra, faces with two equivalent Ni(3)Ca4Ni8 cuboctahedra, and faces with eight equivalent Ni(8)Ca4Ni8 cuboctahedra. In the eighth Ni site, Ni(8) is bonded to two equivalent Ca(1), two equivalent Ca(2), one Ni(1), one Ni(2), one Ni(5), one Ni(6), two equivalent Ni(7), and two equivalent Ni(8) atoms to form NiCa4Ni8 cuboctahedra that share corners with four equivalent Ni(3)Ca4Ni8 cuboctahedra, corners with four equivalent Ni(8)Ca4Ni8 cuboctahedra,  a cornercorner with one H(1)CaNi3 trigonal pyramid, edges with two equivalent Ni(8)Ca4Ni8 cuboctahedra, edges with four equivalent Ni(3)Ca4Ni8 cuboctahedra,  an edgeedge with one H(1)CaNi3 trigonal pyramid, faces with four equivalent Ni(7)Ca4Ni8 cuboctahedra, and faces with four equivalent Ni(8)Ca4Ni8 cuboctahedra. H(1) is bonded to one Ca(1), one Ni(1), and two equivalent Ni(4) atoms to form HCaNi3 trigonal pyramids that share corners with two equivalent Ni(8)Ca4Ni8 cuboctahedra, corners with three equivalent Ni(7)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(3)Ca4Ni8 cuboctahedra, edges with two equivalent Ni(8)Ca4Ni8 cuboctahedra, and  a faceface with one Ni(3)Ca4Ni8 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca2Ni10H
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.961
_cell_length_b   4.953
_cell_length_c   7.833
_cell_angle_alpha   89.638
_cell_angle_beta   89.643
_cell_angle_gamma   60.549
_symmetry_Int_Tables_number   1
_cell_volume   167.593
_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
  Ca  Ca0  1  0.993  0.993  0.988  1.0
  Ca  Ca1  1  0.002  0.002  0.502  1.0
  Ni  Ni2  1  0.338  0.338  0.001  1.0
  Ni  Ni3  1  0.660  0.660  0.001  1.0
  Ni  Ni4  1  0.501  0.501  0.256  1.0
  Ni  Ni5  1  0.993  0.513  0.257  1.0
  Ni  Ni6  1  0.513  0.993  0.257  1.0
  Ni  Ni7  1  0.335  0.335  0.505  1.0
  Ni  Ni8  1  0.669  0.669  0.504  1.0
  Ni  Ni9  1  0.499  0.499  0.751  1.0
  Ni  Ni10  1  0.999  0.498  0.753  1.0
  Ni  Ni11  1  0.498  0.999  0.753  1.0
  H  H12  1  0.202  0.203  0.149  1.0
[/CIF]
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