Synthesis and Catalytic Activity of Amido-Boratabenzene Complexes of Rare-Earth Metals and Zirconium and Chromium
Wang, Xiufang; Peng, Weijie; Cui, Peng; Leng, Xuebing; Xia, Wei; Chen, Yaofeng; Organometallics 32 (2013) 6166–; doi:10.1021/om400893c

data_4082016
_publ_section_title
;
 Synthesis and Catalytic Activity of Amido-Boratabenzene Complexes of
 Rare-Earth Metals and Zirconium and Chromium
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              6166
_journal_paper_doi               10.1021/om400893c
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C21 H44 B Lu N2 Si2'
_chemical_formula_weight         566.54
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.3993(10)
_cell_length_b                   18.3187(17)
_cell_length_c                   28.328(3)
_cell_measurement_reflns_used    9768
_cell_measurement_temperature    133(2)
_cell_measurement_theta_max      30.51
_cell_measurement_theta_min      2.22
_cell_volume                     5396.5(9)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0151
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            36240
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    3.756
_exptl_absorpt_correction_T_max  0.4194
_exptl_absorpt_correction_T_min  0.3532
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         1.339
_refine_diff_density_min         -1.462
_refine_diff_density_rms         0.103
_refine_ls_extinction_coef       0.00056(8)
_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   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         5291
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0311
_refine_ls_R_factor_gt           0.0275
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0860P)^2^+11.7900P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1125
_refine_ls_wR_factor_ref         0.1181
_reflns_number_gt                4821
_reflns_number_total             5291
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400893c_si_002.cif
_cod_data_source_block           mo_dm11522_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        5396.6(9)
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4082016