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_4334359
_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         'C44 H97 Ce2 K O11'
_chemical_formula_sum            'C44 H97 Ce2 K O11'
_chemical_formula_weight         1121.56
_space_group_IT_number           29
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P -2bc -2c'
_symmetry_space_group_name_H-M   'P c 21 b'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2012-09-05 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.0121(4)
_cell_length_b                   18.0594(4)
_cell_length_c                   19.6945(6)
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      26.83
_cell_measurement_theta_min      1.58
_cell_volume                     6050.7(3)
_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      170(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0930
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            65822
_diffrn_reflns_theta_full        26.83
_diffrn_reflns_theta_max         26.83
_diffrn_reflns_theta_min         1.58
_exptl_absorpt_coefficient_mu    1.598
_exptl_absorpt_correction_T_max  0.9337
_exptl_absorpt_correction_T_min  0.7906
_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    1.231
_exptl_crystal_description       plate
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.765
_refine_diff_density_min         -0.999
_refine_diff_density_rms         0.227
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.007(19)
_refine_ls_extinction_coef       0.00162(16)
_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   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         12814
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0566
_refine_ls_R_factor_gt           0.0477
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0894P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1242
_refine_ls_wR_factor_ref         0.1318
_reflns_number_gt                10761
_reflns_number_total             12814
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic400030j_si_002_3.cif
_cod_data_source_block           3
_cod_database_code               4334359