The material described by Sm(BH4)2 crystallizes in the orthorhombic Pbcn space group. Sm(1) is bonded in a 8-coordinate geometry to two equivalent H(2), two equivalent H(3), and four equivalent H(4) atoms. B(1) is bonded in a tetrahedral geometry to one H(1), one H(2), one H(3), and one H(4) atom. There are four inequivalent H sites. In the first H site, H(4) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one B(1) atom. In the second H site, H(1) is bonded in a single-bond geometry to one B(1) atom. In the third H site, H(2) is bonded in a single-bond geometry to one Sm(1) and one B(1) atom. In the fourth H site, H(3) is bonded in a single-bond geometry to one Sm(1) and one B(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm(BH4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.230
_cell_length_b   6.888
_cell_length_c   7.669
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   381.930
_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
  Sm  Sm0  1  0.000  0.250  0.114  1.0
  Sm  Sm1  1  0.500  0.750  0.386  1.0
  Sm  Sm2  1  0.000  0.750  0.886  1.0
  Sm  Sm3  1  0.500  0.250  0.614  1.0
  B  B4  1  0.746  0.095  0.368  1.0
  B  B5  1  0.754  0.595  0.132  1.0
  B  B6  1  0.246  0.905  0.132  1.0
  B  B7  1  0.254  0.405  0.368  1.0
  B  B8  1  0.254  0.905  0.632  1.0
  B  B9  1  0.246  0.405  0.868  1.0
  B  B10  1  0.754  0.095  0.868  1.0
  B  B11  1  0.746  0.595  0.632  1.0
  H  H12  1  0.613  0.150  0.282  1.0
  H  H13  1  0.887  0.650  0.218  1.0
  H  H14  1  0.113  0.850  0.218  1.0
  H  H15  1  0.387  0.350  0.282  1.0
  H  H16  1  0.387  0.850  0.718  1.0
  H  H17  1  0.113  0.350  0.782  1.0
  H  H18  1  0.887  0.150  0.782  1.0
  H  H19  1  0.613  0.650  0.718  1.0
  H  H20  1  0.841  0.978  0.287  1.0
  H  H21  1  0.659  0.478  0.213  1.0
  H  H22  1  0.341  0.022  0.213  1.0
  H  H23  1  0.159  0.522  0.287  1.0
  H  H24  1  0.159  0.022  0.713  1.0
  H  H25  1  0.341  0.522  0.787  1.0
  H  H26  1  0.659  0.978  0.787  1.0
  H  H27  1  0.841  0.478  0.713  1.0
  H  H28  1  0.838  0.229  0.424  1.0
  H  H29  1  0.662  0.729  0.076  1.0
  H  H30  1  0.338  0.771  0.076  1.0
  H  H31  1  0.162  0.271  0.424  1.0
  H  H32  1  0.162  0.771  0.576  1.0
  H  H33  1  0.338  0.271  0.924  1.0
  H  H34  1  0.662  0.229  0.924  1.0
  H  H35  1  0.838  0.729  0.576  1.0
  H  H36  1  0.689  0.002  0.498  1.0
  H  H37  1  0.811  0.502  0.002  1.0
  H  H38  1  0.189  0.998  0.002  1.0
  H  H39  1  0.311  0.498  0.498  1.0
  H  H40  1  0.311  0.998  0.502  1.0
  H  H41  1  0.189  0.498  0.998  1.0
  H  H42  1  0.811  0.002  0.998  1.0
  H  H43  1  0.689  0.502  0.502  1.0
[/CIF]
.
The material described by Sm(BH4)2 crystallizes in the orthorhombic Pbcn space group. Sm(1) is bonded in a 8-coordinate geometry to two equivalent H(2), two equivalent H(3), and four equivalent H(4) atoms. B(1) is bonded in a tetrahedral geometry to one H(1), one H(2), one H(3), and one H(4) atom. There are four inequivalent H sites. In the first H site, H(4) is bonded in a distorted single-bond geometry to two equivalent Sm(1) and one B(1) atom. In the second H site, H(1) is bonded in a single-bond geometry to one B(1) atom. In the third H site, H(2) is bonded in a single-bond geometry to one Sm(1) and one B(1) atom. In the fourth H site, H(3) is bonded in a single-bond geometry to one Sm(1) and one B(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sm(BH4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.230
_cell_length_b   6.888
_cell_length_c   7.669
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   381.930
_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
  Sm  Sm0  1  0.000  0.250  0.114  1.0
  Sm  Sm1  1  0.500  0.750  0.386  1.0
  Sm  Sm2  1  0.000  0.750  0.886  1.0
  Sm  Sm3  1  0.500  0.250  0.614  1.0
  B  B4  1  0.746  0.095  0.368  1.0
  B  B5  1  0.754  0.595  0.132  1.0
  B  B6  1  0.246  0.905  0.132  1.0
  B  B7  1  0.254  0.405  0.368  1.0
  B  B8  1  0.254  0.905  0.632  1.0
  B  B9  1  0.246  0.405  0.868  1.0
  B  B10  1  0.754  0.095  0.868  1.0
  B  B11  1  0.746  0.595  0.632  1.0
  H  H12  1  0.613  0.150  0.282  1.0
  H  H13  1  0.887  0.650  0.218  1.0
  H  H14  1  0.113  0.850  0.218  1.0
  H  H15  1  0.387  0.350  0.282  1.0
  H  H16  1  0.387  0.850  0.718  1.0
  H  H17  1  0.113  0.350  0.782  1.0
  H  H18  1  0.887  0.150  0.782  1.0
  H  H19  1  0.613  0.650  0.718  1.0
  H  H20  1  0.841  0.978  0.287  1.0
  H  H21  1  0.659  0.478  0.213  1.0
  H  H22  1  0.341  0.022  0.213  1.0
  H  H23  1  0.159  0.522  0.287  1.0
  H  H24  1  0.159  0.022  0.713  1.0
  H  H25  1  0.341  0.522  0.787  1.0
  H  H26  1  0.659  0.978  0.787  1.0
  H  H27  1  0.841  0.478  0.713  1.0
  H  H28  1  0.838  0.229  0.424  1.0
  H  H29  1  0.662  0.729  0.076  1.0
  H  H30  1  0.338  0.771  0.076  1.0
  H  H31  1  0.162  0.271  0.424  1.0
  H  H32  1  0.162  0.771  0.576  1.0
  H  H33  1  0.338  0.271  0.924  1.0
  H  H34  1  0.662  0.229  0.924  1.0
  H  H35  1  0.838  0.729  0.576  1.0
  H  H36  1  0.689  0.002  0.498  1.0
  H  H37  1  0.811  0.502  0.002  1.0
  H  H38  1  0.189  0.998  0.002  1.0
  H  H39  1  0.311  0.498  0.498  1.0
  H  H40  1  0.311  0.998  0.502  1.0
  H  H41  1  0.189  0.498  0.998  1.0
  H  H42  1  0.811  0.002  0.998  1.0
  H  H43  1  0.689  0.502  0.502  1.0
[/CIF]
.