Ce10Cl4Ga5 and Ln3ClGa4 (Ln = La, Ce): Reduced Halides or Oxidized Intermetallics?
Chong Zheng; Oliver Oeckler; Arndt Simon; Inorganic Chemistry 42 (2003) 3130–3135; doi:10.1021/ic026086+

data_4327453
_publ_section_title
;
 Ce10Cl4Ga5 and Ln3ClGa4 (Ln = La, Ce): Reduced Halides or Oxidized
 Intermetallics?
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3130
_journal_page_last               3135
_journal_paper_doi               10.1021/ic026086+
_journal_volume                  42
_journal_year                    2003
_chemical_formula_sum            'Ce3 Cl Ga4'
_chemical_formula_weight         734.69
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           140
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4 2c'
_symmetry_space_group_name_H-M   'I 4/m c m'
_atom_sites_solution_hydrogens   geom
_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            4
_cell_length_a                   8.1123(11)
_cell_length_b                   8.1123(11)
_cell_length_c                   11.229(2)
_cell_measurement_reflns_used    7740
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      2.915
_cell_volume                     738.97(19)
_computing_cell_refinement       'SMART and SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997)'
_computing_publication_material  'SHELXTL (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Stoe IPDS'
_diffrn_measurement_method       '\f scans'
_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  0.1344
_diffrn_reflns_av_sigmaI/netI    0.0455
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            2148
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         3.55
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    32.683
_exptl_absorpt_correction_T_max  0.629
_exptl_absorpt_correction_T_min  0.077
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SHELXTL (Sheldrick, 1997)'
_exptl_crystal_colour            'metallic silver'
_exptl_crystal_density_diffrn    6.604
_exptl_crystal_description       plate
_exptl_crystal_F_000             1260
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.04
_refine_diff_density_max         2.632
_refine_diff_density_min         -1.952
_refine_diff_density_rms         0.495
_refine_ls_extinction_coef       0.0033(4)
_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   1.290
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     16
_refine_ls_number_reflns         208
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.290
_refine_ls_R_factor_all          0.0359
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0380P)^2^+7.0390P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0812
_refine_ls_wR_factor_ref         0.0816
_reflns_number_gt                206
_reflns_number_total             208
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0260862Bsi20021004_064958_3.cif
_cod_data_source_block           ce3clga4
_cod_original_cell_volume        738.9(2)
_cod_database_code               4327453