Cluster Chemistry in Electron-Poor Ae-Pt-Cd Systems (Ae = Ca, Sr, Ba): (Sr,Ba)Pt2Cd4, Ca6Pt8Cd16, and Its Known Antitype Er6Pd16Sb8
Saroj L. Samal; Fakhili Gulo; John D. Corbett; Inorganic Chemistry 52 (2013) 2697–2704; doi:10.1021/ic302767b

data_4334058
_publ_section_title
;
 Cluster Chemistry in Electron-Poor Ae-Pt-Cd Systems (Ae = Ca, Sr, Ba):
 (Sr,Ba)Pt2Cd4, Ca6Pt8Cd16, and Its Known Antitype Er6Pd16Sb8
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2697
_journal_page_last               2704
_journal_paper_doi               10.1021/ic302767b
_journal_volume                  52
_journal_year                    2013
_chemical_formula_sum            'Ba Cd4 Pt2'
_chemical_formula_weight         977.12
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           136
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-P 4n 2n'
_symmetry_space_group_name_H-M   'P 42/m n m'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.3719(12)
_cell_length_b                   8.3719(12)
_cell_length_c                   4.4624(9)
_cell_measurement_reflns_used    234
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      3.44
_cell_volume                     312.76(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0359
_diffrn_reflns_av_sigmaI/netI    0.0178
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       5
_diffrn_reflns_limit_l_min       -5
_diffrn_reflns_number            2540
_diffrn_reflns_theta_full        28.27
_diffrn_reflns_theta_max         28.27
_diffrn_reflns_theta_min         3.44
_exptl_absorpt_coefficient_mu    63.927
_exptl_absorpt_correction_T_max  0.12
_exptl_absorpt_correction_T_min  0.09
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            metallic
_exptl_crystal_density_diffrn    10.376
_exptl_crystal_description       irregular
_exptl_crystal_F_000             808
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         1.075
_refine_diff_density_min         -1.064
_refine_diff_density_rms         0.419
_refine_ls_extinction_coef       0.0030(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.138
_refine_ls_matrix_type           full
_refine_ls_number_parameters     15
_refine_ls_number_reflns         234
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.138
_refine_ls_R_factor_all          0.0185
_refine_ls_R_factor_gt           0.0173
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0182P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0347
_refine_ls_wR_factor_ref         0.0349
_reflns_number_gt                222
_reflns_number_total             234
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic302767b_si_002_2.cif
_cod_data_source_block           BaPt2Cd4
_cod_database_code               4334058