data_ScVSi4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.94
_cell_length_b   4.94
_cell_length_c   4.94
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ScVSi4
_chemical_formula_sum   'Sc1 V1 Si4'
_cell_volume   85.31
_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
  Sc  Sc0  1  0.0  0.0  0.0  1.0
  V  V5  1  0.24  0.24  0.24  1.0
  Si  Si1  1  0.36  0.36  0.63  1.0
  Si  Si2  1  0.36  0.63  0.36  1.0
  Si  Si3  1  0.63  0.36  0.36  1.0
  Si  Si4  1  0.63  0.63  0.63  1.0

data_ScVSi4
_symmetry_space_group_name_H-M   R3m
_cell_length_a   4.94
_cell_length_b   4.94
_cell_length_c   12.1
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   ScVSi4
_chemical_formula_sum   'Sc3 V3 Si12'
_cell_volume   255.94
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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
  Sc  Sc0  3  0.0  0.0  0.0  1.0
  V  V1  3  0.0  0.0  0.76  1.0
  Si  Si2  9  0.09  0.18  0.55  1.0
  Si  Si3  3  0.0  0.0  0.37  1.0

Sc V Si Si Si Si
Sc V Si Si Si Si 0 1 o - o 0 1 - o o 0 1 o o - 0 1 o o o 0 5 - - o 0 5 - o - 0 5 o - - 0 4 - o o 0 3 o - o 0 2 o o - 1 3 o - o 1 3 o o o 1 4 - o o 1 4 o o o 1 5 - o o 1 5 o - o 1 5 o o - 1 2 o o - 1 2 o o o 2 4 o o o 2 3 o o o 2 5 o o o 3 4 o o o 3 5 o o o 4 5 o o o 
ScVSi4 crystallizes in the trigonal R3m space group. Sc(1) is bonded in a 10-coordinate geometry to four equivalent V(1), three equivalent Si(1), and three equivalent Si(2) atoms. There is one shorter (2.92 Å) and three longer (3.06 Å) Sc(1)-V(1) bond lengths. All Sc(1)-Si(1) bond lengths are 2.52 Å. All Sc(1)-Si(2) bond lengths are 2.89 Å. V(1) is bonded in a 13-coordinate geometry to four equivalent Sc(1), three equivalent Si(2), and six equivalent Si(1) atoms. All V(1)-Si(2) bond lengths are 2.92 Å. There are three shorter (2.58 Å) and three longer (2.64 Å) V(1)-Si(1) bond lengths. There are two inequivalent Si sites. In the first Si site, Si(2) is bonded in a 9-coordinate geometry to three equivalent Sc(1), three equivalent V(1), and three equivalent Si(1) atoms. All Si(2)-Si(1) bond lengths are 2.28 Å. In the second Si site, Si(1) is bonded in a 6-coordinate geometry to one Sc(1), two equivalent V(1), one Si(2), and two equivalent Si(1) atoms. Both Si(1)-Si(1) bond lengths are 1.32 Å.