An Ionic Liquid-Mediated Route to Cerium(III) Bromide Solvates
Kalyan V. Vasudevan; Nickolaus A. Smith; Brian L. Scott; Edward A. McKigney; Michael W. Blair; John C. Gordon; Ross E. Muenchausen; Inorganic Chemistry 50 (2011) 4627–4631; doi:10.1021/ic200353s

data_4325102
_publ_section_title
;
 An Ionic Liquid-Mediated Route to Cerium(III) Bromide Solvates
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4627
_journal_page_last               4631
_journal_paper_doi               10.1021/ic200353s
_journal_volume                  50
_journal_year                    2011
_chemical_formula_sum            'C20 H40 Br3 Ce O4'
_chemical_formula_weight         724.37
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_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                 131.149(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   22.421(9)
_cell_length_b                   9.395(4)
_cell_length_c                   16.657(11)
_cell_measurement_temperature    140(1)
_cell_volume                     2642(2)
_computing_cell_refinement       'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_data_collection       'APEX II, v. 7.0 (Bruker AXS, 2009)'
_computing_data_reduction        'SAINT+, v. 7.66a (Bruker AXS, 2009)'
_computing_molecular_graphics    'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_publication_material  'SHELXTL, v. 6.14, (Bruker AXS, 2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(1)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  'Bruker D8 with APEXII CCD'
_diffrn_measurement_method       '\w 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  0.0366
_diffrn_reflns_av_sigmaI/netI    0.0336
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13442
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.43
_diffrn_reflns_theta_min         2.41
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.281
_exptl_absorpt_correction_T_max  0.5195
_exptl_absorpt_correction_T_min  0.2722
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS v. 1 (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.821
_exptl_crystal_description       block
_exptl_crystal_F_000             1420
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.996
_refine_diff_density_min         -1.202
_refine_diff_density_rms         0.210
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.435
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     140
_refine_ls_number_reflns         3106
_refine_ls_number_restraints     13
_refine_ls_restrained_S_all      1.438
_refine_ls_R_factor_all          0.0535
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0635P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1214
_refine_ls_wR_factor_ref         0.1411
_reflns_number_gt                2374
_reflns_number_total             3106
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic200353s_si_003.cif
_cod_data_source_block           apx1155a
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4325102