Heterobi- and Trimetallic Cerium(IV) tert-Butoxides with Mono-, Di-, and Trivalent Metals (M= K(I), Ge(II), Sn(II), Pb(II), Al(III), Fe(III))
Johannes Schläfer; Stefan Stucky; Wieland Tyrra; Sanjay Mathur; Inorganic Chemistry 52 (2013) 4002–4010; doi:10.1021/ic400030j

data_4334360
_publ_section_title
;
 Heterobi- and Trimetallic Cerium(IV) tert-Butoxides with Mono-, Di-, and
 Trivalent Metals (M= K(I), Ge(II), Sn(II), Pb(II), Al(III), Fe(III))
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4002
_journal_page_last               4010
_journal_paper_doi               10.1021/ic400030j
_journal_volume                  52
_journal_year                    2013
_chemical_formula_moiety         'C28 H63 Al Ce O7'
_chemical_formula_sum            'C28 H63 Al Ce O7'
_chemical_formula_weight         678.88
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           160
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 -2"'
_symmetry_space_group_name_H-M   'R 3 m :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(5)
_cell_angle_beta                 90.000(5)
_cell_angle_gamma                120.000(5)
_cell_formula_units_Z            3
_cell_length_a                   15.775(5)
_cell_length_b                   15.775(5)
_cell_length_c                   13.208(5)
_cell_measurement_reflns_used    2000
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.70
_cell_measurement_theta_min      2.58
_cell_volume                     2846.5(17)
_computing_cell_refinement       'X-Area (Stoe & Cie, 2001)'
_computing_data_collection       'X-Area (Stoe & Cie, 2001)'
_computing_data_reduction        'X-Area (Stoe & Cie, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'IPDS 2 T (Stoe & Cie)'
_diffrn_measurement_method       '\w and \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  0.0519
_diffrn_reflns_av_sigmaI/netI    0.0181
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            14410
_diffrn_reflns_theta_full        26.70
_diffrn_reflns_theta_max         26.70
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    1.256
_exptl_absorpt_correction_T_max  0.8947
_exptl_absorpt_correction_T_min  0.7230
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details
;
The absorption correction (X-RED; Stoe & Cie, 2001)
was preformed after optimizing the crystal shape
using X-SHAPE (Stoe & Cie, 1999).
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.188
_exptl_crystal_description       prism
_exptl_crystal_F_000             1074
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         3.118
_refine_diff_density_min         -0.489
_refine_diff_density_rms         0.076
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.70(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         1481
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0340
_refine_ls_R_factor_gt           0.0339
_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^)+(0.0718P)^2^+0.8875P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0835
_refine_ls_wR_factor_ref         0.0844
_reflns_number_gt                1480
_reflns_number_total             1481
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400030j_si_002_4.cif
_cod_data_source_block           4
_cod_original_sg_symbol_H-M      'R 3 m'
_cod_database_code               4334360