data_4000653
_journal_name_full  'Chemistry of Materials'
_journal_year      2005
_publ_section_title
;
Crystal Growth, Structural and Property Studies on a Family of
Ternary Rare-Earth Phases RE~2~InGe~2~ (RE = Sm, Gd, Tb, Dy, Ho, Yb)
;
loop_
_publ_author_name
 'Tobash, Paul H.'
 'Bobev, Svilen'
_chemical_formula_moiety  'Ho2 In Ge2'
_chemical_formula_sum   'Ge2 Ho2 In'
_chemical_formula_weight  589.86
_symmetry_cell_setting  Tetragonal
_symmetry_space_group_name_H-M  'P 4/m b m'
_symmetry_space_group_name_Hall  '-P 4 2ab'
loop_
_symmetry_equiv_pos_as_xyz
 'x, y, z'
 '-x, -y, z'
 '-y, x, z'
 'y, -x, z'
 '-x+1/2, y+1/2, -z'
 'x+1/2, -y+1/2, -z'
 'y+1/2, x+1/2, -z'
 '-y+1/2, -x+1/2, -z'
 '-x, -y, -z'
 'x, y, -z'
 'y, -x, -z'
 '-y, x, -z'
 'x-1/2, -y-1/2, z'
 '-x-1/2, y-1/2, z'
 '-y-1/2, -x-1/2, z'
 'y-1/2, x-1/2, z'
_cell_length_a  7.2457(12)
_cell_length_b  7.2457(12)
_cell_length_c  4.1541(14)
_cell_angle_alpha  90.00
_cell_angle_beta  90.00
_cell_angle_gamma  90.00
_cell_volume  218.09(9)
_cell_formula_units_Z  2
_cell_measurement_temperature  120(2)
_exptl_crystal_density_diffrn  8.982
_diffrn_ambient_temperature  120(2)
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
Ho1 Ho 0.17773(8) 0.67773(8) 0.5000 0.0057(3) Uani 1 4 d S . .
In2 In 0.0000 0.0000 0.0000 0.0109(5) Uani 1 8 d S . .
Ge3 Ge 0.37749(19) 0.87749(19) 0.0000 0.0066(5) Uani 1 4 d S . .
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_23
_atom_site_aniso_U_13
_atom_site_aniso_U_12
Ho1 0.0062(4) 0.0062(4) 0.0048(5) 0.000 0.000 -0.0006(3)
In2 0.0101(7) 0.0101(7) 0.0125(9) 0.000 0.000 0.000
Ge3 0.0072(7) 0.0072(7) 0.0055(9) 0.000 0.000 -0.0007(7)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
Ho1 Ge3 2.9161(15) 1_556 ?
Ho1 Ge3 2.9161(15) . ?
Ho1 Ge3 3.0343(10) 11_465 ?
Ho1 Ge3 3.0343(10) 3_655 ?
Ho1 Ge3 3.0343(10) 11_466 ?
Ho1 Ge3 3.0343(10) 3_656 ?
Ho1 In2 3.3801(6) 5_556 ?
Ho1 In2 3.3801(6) 1_566 ?
Ho1 In2 3.3801(6) 1_565 ?
Ho1 In2 3.3801(6) 5 ?
Ho1 Ho1 3.6425(17) 9_566 ?
Ho1 Ho1 3.7712(7) 11_466 ?
In2 Ge3 2.8756(10) 11_455 ?
In2 Ge3 2.8756(10) 3_655 ?
In2 Ge3 2.8756(10) 9_565 ?
In2 Ge3 2.8756(10) 1_545 ?
In2 Ho1 3.3801(6) 11_455 ?
In2 Ho1 3.3801(6) 3_655 ?
In2 Ho1 3.3801(6) 1_544 ?
In2 Ho1 3.3801(6) 9_566 ?
In2 Ho1 3.3801(6) 3_654 ?
In2 Ho1 3.3801(6) 11_456 ?
In2 Ho1 3.3801(6) 9_565 ?
In2 Ho1 3.3801(6) 1_545 ?
Ge3 Ge3 2.511(4) 9_675 ?
Ge3 In2 2.8756(10) 5 ?
Ge3 In2 2.8756(10) 1_565 ?
Ge3 Ho1 2.9161(15) 1_554 ?
Ge3 Ho1 3.0343(10) 3_665 ?
Ge3 Ho1 3.0343(10) 11_566 ?
Ge3 Ho1 3.0343(10) 11_565 ?
Ge3 Ho1 3.0343(10) 3_664 ?