Structures and Phase Transitions of CePd3+xGa8-x: New Variants of the BaHg11 Structure Type
Melanie C. Francisco; Christos D. Malliakas; Robin T. Macaluso; Joseph Prestigiacomo; Neel Haldolaarachchige; Philip W. Adams; David P. Young; Ying Jia; Helmut Claus; K.E. Gray; Mercouri G. Kanatzidis; Journal of the American Chemical Society 134 (2012) 12998–13009; doi:10.1021/ja302812s

data_4118454
_publ_contact_author_address
;
   Department of Chemistry
     2145 Sheridan Road
   Northwestern University
   Evanston, IL 60208-3113
           USA
;
_publ_contact_author_email       m-kanatzidis@northwestern.edu
_publ_contact_author_fax         847-491-5937
_publ_contact_author_name        'Mercouri G. Kanatzidis'
_publ_contact_author_phone       847-467-1541
_publ_section_title
;
 Structures and Phase Transitions of CePd3+xGa8-x: New Variants of the
 BaHg11 Structure Type
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              12998
_journal_page_last               13009
_journal_paper_doi               10.1021/ja302812s
_journal_volume                  134
_journal_year                    2012
_chemical_formula_sum            'Ce Ga8.31 Pd2.69'
_chemical_formula_weight         1005.76
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           225
_symmetry_cell_setting           cubic
_symmetry_space_group_name_Hall  '-F 4 2 3'
_symmetry_space_group_name_H-M   'F m -3 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            24
_cell_length_a                   16.8984(8)
_cell_length_b                   16.8984(8)
_cell_length_c                   16.8984(8)
_cell_measurement_reflns_used    17626
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      35.11
_cell_measurement_theta_min      4.00
_cell_volume                     4825.4(4)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method'
_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  0.0413
_diffrn_reflns_av_sigmaI/netI    0.0131
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            11452
_diffrn_reflns_theta_full        34.79
_diffrn_reflns_theta_max         34.79
_diffrn_reflns_theta_min         4.00
_exptl_absorpt_coefficient_mu    38.287
_exptl_absorpt_correction_T_max  0.4143
_exptl_absorpt_correction_T_min  0.0621
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   '(Coppens, 1970)'
_exptl_crystal_colour            silver
_exptl_crystal_density_diffrn    8.400
_exptl_crystal_F_000             10656
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.133
_exptl_crystal_size_min          0.050
_refine_diff_density_max         2.991
_refine_diff_density_min         -1.566
_refine_diff_density_rms         0.305
_refine_ls_extinction_coef       0.000048(5)
_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   1.312
_refine_ls_matrix_type           full
_refine_ls_number_parameters     29
_refine_ls_number_reflns         581
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.312
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0397
_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^)+(0.0107P)^2^+560.5206P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0706
_refine_ls_wR_factor_ref         0.0718
_reflns_number_gt                552
_reflns_number_total             581
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja302812s_si_004_5.cif
_cod_data_source_block           C-CePd3Ga8
_cod_database_code               4118454