Synthesis and Structure of Silicon-Bridged Boratabenzene Fluorenyl Rare-Earth Metal Complexes
Wang, Chunhong; Xiang, Li; Leng, Xuebing; Chen, Yaofeng; Organometallics 35 (2016) 1995–; doi:10.1021/acs.organomet.6b00282

data_4088661
_publ_section_title
;
 Synthesis and Structure of Silicon-Bridged Boratabenzene Fluorenyl
 Rare-Earth Metal Complexes
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              1995
_journal_paper_doi               10.1021/acs.organomet.6b00282
_journal_volume                  35
_journal_year                    2016
_chemical_formula_moiety         'C28 H36 B I La N O Si'
_chemical_formula_sum            'C28 H36 B I La N O Si'
_chemical_formula_weight         707.29
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-03-30
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                102.3620(10)
_cell_angle_beta                 103.9670(10)
_cell_angle_gamma                108.2410(10)
_cell_formula_units_Z            2
_cell_length_a                   9.2580(5)
_cell_length_b                   11.3088(7)
_cell_length_c                   15.0949(9)
_cell_measurement_reflns_used    8377
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      30.529
_cell_measurement_theta_min      2.456
_cell_volume                     1382.80(14)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      133.15
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0132
_diffrn_reflns_av_unetI/netI     0.0241
_diffrn_reflns_Laue_measured_fraction_full 0.993
_diffrn_reflns_Laue_measured_fraction_max 0.986
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13657
_diffrn_reflns_point_group_measured_fraction_full 0.993
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.528
_diffrn_reflns_theta_min         1.997
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.725
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6659
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2008/1 (Bruker,2008) was used for absorption correction. wR2(int) was 0.0436 before and 0.0256 after correction. The Ratio of minimum to maximum transmission is 0.8925. The \l/2 correction factor is 0.0015.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.699
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.814
_refine_diff_density_min         -0.920
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     311
_refine_ls_number_reflns         8336
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0233
_refine_ls_R_factor_gt           0.0191
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0199P)^2^+0.5102P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0450
_refine_ls_wR_factor_ref         0.0466
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7493
_reflns_number_total             8336
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00282_si_002.cif
_cod_data_source_block           7
_cod_database_code               4088661
_shelx_estimated_absorpt_t_max   0.685
_shelx_estimated_absorpt_t_min   0.549
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Rigid bond restraints
 N1, B1
 with sigma for 1-2 distances of 0.001 and sigma for 1-3 distances of 0.001
3.a Ternary CH refined with riding coordinates:
 C2(H2), C1(H1), C5(H5), C4(H4)
3.b Secondary CH2 refined with riding coordinates:
 C23(H23A,H23B), C21(H21A,H21B), C25(H25A,H25B), C26(H26A,H26B), C27(H27A,
 H27B), C28(H28A,H28B)
3.c Aromatic/amide H refined with riding coordinates:
 C18(H18), C17(H17), C16(H16), C15(H15), C14(H14), C13(H13), C12(H12), C11(H11)
3.d Idealised Me refined as rotating group:
 C20(H20A,H20B,H20C), C19(H19A,H19B,H19C), C24(H24A,H24B,H24C), C22(H22A,H22B,
 H22C)
;
_shelx_res_checksum              67942
_shelx_hkl_checksum              53525
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'