#------------------------------------------------------------------------------
#$Date: 2008-01-26 15:05:32 +0200 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/4000202.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4000202
_journal_name_full 'Chemistry of Materials'
_journal_year    2002
_chemical_name_common             'Nickel Antimonide Telluride'
_chemical_formula_sum    'Ni5.66 Sb Te2'
_chemical_formula_weight          709.25
_symmetry_cell_setting            Tetragonal
_symmetry_space_group_name_H-M    'I 4/mmm'
loop_
 _symmetry_equiv_pos_as_xyz
 'x, y, z'
 '-x, -y, z'
 'x, -y, -z'
 '-x, y, -z'
 '-y, -x, -z'
 'y, x, -z'
 'y, -x, z'
 '-y, x, z'
 'x+1/2, y+1/2, z+1/2'
 '-x+1/2, -y+1/2, z+1/2'
 'x+1/2, -y+1/2, -z+1/2'
 '-x+1/2, y+1/2, -z+1/2'
 '-y+1/2, -x+1/2, -z+1/2'
 'y+1/2, x+1/2, -z+1/2'
 'y+1/2, -x+1/2, z+1/2'
 '-y+1/2, x+1/2, z+1/2'
 '-x, -y, -z'
 'x, y, -z'
 '-x, y, z'
 'x, -y, z'
 'y, x, z'
 '-y, -x, z'
 '-y, x, -z'
 'y, -x, -z'
 '-x+1/2, -y+1/2, -z+1/2'
 'x+1/2, y+1/2, -z+1/2'
 '-x+1/2, y+1/2, z+1/2'
 'x+1/2, -y+1/2, z+1/2'
 'y+1/2, x+1/2, z+1/2'
 '-y+1/2, -x+1/2, z+1/2'
 '-y+1/2, x+1/2, -z+1/2'
 'y+1/2, -x+1/2, -z+1/2'
_cell_length_a                    3.7824(5)
_cell_length_b                    3.7824(5)
_cell_length_c                    19.244(4)
_cell_angle_alpha                 90.00
_cell_angle_beta                  90.00
_cell_angle_gamma                 90.00
_cell_volume                      275.32(8)
_cell_formula_units_Z             2
_cell_measurement_temperature     164(2)
_exptl_crystal_description        block
_exptl_crystal_colour             black
_exptl_crystal_size_max           0.1
_exptl_crystal_size_mid           0.1
_exptl_crystal_size_min           0.08
_exptl_crystal_density_meas       ?
_exptl_crystal_density_diffrn     8.556
_exptl_crystal_density_method     'not measured'
_exptl_crystal_F_000              627
_exptl_absorpt_coefficient_mu     34.002
_exptl_absorpt_correction_type    'Empirical'
_exptl_absorpt_correction_T_min   ?
_exptl_absorpt_correction_T_max   ?
_exptl_absorpt_process_details    'SADABS (Sheldrick, 1996)'
_diffrn_ambient_temperature       164(2)
_diffrn_radiation_wavelength      0.71073
_diffrn_radiation_type            MoK\a
_diffrn_radiation_source          'fine-focus sealed tube'
_diffrn_radiation_monochromator   graphite
_diffrn_measurement_device_type   'Bruker SMART CCD'
_diffrn_measurement_method        '\w and \f'
_diffrn_detector_area_resol_mean  ?
_diffrn_standards_number          ?
_diffrn_standards_interval_count  ?
_diffrn_standards_interval_time   ?
_diffrn_standards_decay_%         ?
_diffrn_reflns_number             1703
_diffrn_reflns_av_R_equivalents   0.0320
_diffrn_reflns_av_sigmaI/netI     0.0159
_diffrn_reflns_limit_h_min        -5
_diffrn_reflns_limit_h_max        5
_diffrn_reflns_limit_k_min        -5
_diffrn_reflns_limit_k_max        5
_diffrn_reflns_limit_l_min        -26
_diffrn_reflns_limit_l_max        26
_diffrn_reflns_theta_min          4.24
_diffrn_reflns_theta_max          30.42
_reflns_number_total              159
_reflns_number_gt                 158
_reflns_threshold_expression      >2sigma(I)
_refine_ls_structure_factor_coef  Fsqd
_refine_ls_matrix_type            full
_refine_ls_weighting_scheme       calc
_refine_ls_weighting_details
 'calc w=1/[\s^2^(Fo^2^)+(0.0340P)^2^+5.3532P] where P=(Fo^2^+2Fc^2^)/3'
_atom_sites_solution_primary      direct
_atom_sites_solution_secondary    difmap
_atom_sites_solution_hydrogens    geom
_refine_ls_hydrogen_treatment     mixed
_refine_ls_extinction_method      SHELXL
_refine_ls_extinction_coef        0.0248(14)
_refine_ls_extinction_expression
 'Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^'
_refine_ls_number_reflns          159
_refine_ls_number_parameters      17
_refine_ls_number_restraints      0
_refine_ls_R_factor_all           0.0229
_refine_ls_R_factor_gt            0.0225
_refine_ls_wR_factor_ref          0.0541
_refine_ls_wR_factor_gt           0.0537
_refine_ls_goodness_of_fit_ref    1.052
_refine_ls_restrained_S_all       1.052
_refine_ls_shift/su_max           0.000
_refine_ls_shift/su_mean          0.000
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
Te1 Te 0.0000 0.0000 0.18143(3) 0.0043(3) Uani 1 8 d S . .
Sb1 Sb 0.0000 0.0000 0.5000 0.0029(3) Uani 1 16 d S . .
Ni1 Ni 0.0000 0.0000 0.0000 0.0034(4) Uani 1 16 d S . .
Ni2 Ni 0.0000 0.5000 0.09372(5) 0.0041(3) Uani 1 4 d S . .
Ni3 Ni 0.0000 0.0000 0.3098(2) 0.0057(14) Uani 0.330(8) 8 d SP . .
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
Te1 0.0040(3) 0.0040(3) 0.0048(4) 0.000 0.000 0.000
Sb1 0.0037(3) 0.0037(3) 0.0013(4) 0.000 0.000 0.000
Ni1 0.0041(6) 0.0041(6) 0.0021(8) 0.000 0.000 0.000
Ni2 0.0051(5) 0.0040(5) 0.0033(5) 0.000 0.000 0.000
Ni3 0.0082(16) 0.0082(16) 0.001(2) 0.000 0.000 0.000