Homoleptic organolanthanide compounds supported by the bis(dimethylsilyl)benzyl ligand.
Boteju, Kasuni C.; Ellern, Arkady; Sadow, Aaron D.; Chemical communications (Cambridge, England) 53 (2017) 716–719; doi:10.1039/c6cc09304c

data_7119346
_publ_section_title
;
 Homoleptic organolanthanide compounds supported by the
 bis(dimethylsilyl)benzyl ligand.
;
_journal_issue                   4
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              716
_journal_page_last               719
_journal_paper_doi               10.1039/c6cc09304c
_journal_volume                  53
_journal_year                    2017
_chemical_formula_moiety         '(C33 H57 La Si6),0.5(C5 H12)'
_chemical_formula_sum            'C35.5 H63 La Si6'
_chemical_formula_weight         797.31
_space_group_crystal_system      trigonal
_space_group_IT_number           147
_space_group_name_Hall           '-P 3'
_space_group_name_H-M_alt        'P -3'
_symmetry_space_group_name_Hall  '-P 3'
_symmetry_space_group_name_H-M   'P -3'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-11-17 deposited with the CCDC.
2016-12-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            2
_cell_length_a                   12.4380(6)
_cell_length_b                   12.4380(6)
_cell_length_c                   16.1574(11)
_cell_measurement_reflns_used    9998
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.4669
_cell_measurement_theta_min      2.2707
_cell_volume                     2164.7(2)
_computing_cell_refinement       'SAINT V7.66A (Bruker AXS, 2013)'
_computing_data_collection       'APEX2 Suite (Bruker AXS, 2013)'
_computing_data_reduction        'SAINT V7.66A (Bruker AXS, 2013)'
_computing_molecular_graphics    'XSHELL (Bruker AXS, 2007)'
_computing_publication_material  'APEX2 Suite (Bruker AXS, 2013)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       ' full spere \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0345
_diffrn_reflns_av_unetI/netI     0.0197
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23107
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.634
_diffrn_reflns_theta_min         1.260
_diffrn_source                   'X-ray tube'
_exptl_absorpt_coefficient_mu    1.174
_exptl_absorpt_correction_T_max  0.91
_exptl_absorpt_correction_T_min  0.73
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2013)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.223
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             834
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.838
_refine_diff_density_min         -0.610
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.107
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         3715
_refine_ls_number_restraints     17
_refine_ls_restrained_S_all      1.105
_refine_ls_R_factor_all          0.0352
_refine_ls_R_factor_gt           0.0310
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0542P)^2^+1.4414P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0842
_refine_ls_wR_factor_ref         0.0941
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3439
_reflns_number_total             3715
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6cc09304c2.cif
_cod_data_source_block           2_LaCSiHMe2Ph
_cod_original_cell_volume        2164.7(3)
_cod_original_formula_sum        'C35.50 H63 La Si6'
_cod_database_code               7119346
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.844
_shelx_estimated_absorpt_t_max   0.912
_shelx_res_checksum              89504