Dinuclear group IV metal complexes based on a bis(indenyl)-(<i>E</i>/<i>Z</i>)-stilbene platform: a potential prototype of "photoswitchable" catalysts for olefin polymerization.
Romero, Nuria; Chavagnan, Thierry; Roisnel, Thierry; Welle, Alexandre; Kirillov, Evgueni; Carpentier, Jean-François; Dalton transactions (Cambridge, England : 2003) 53 (2024) 9452–9466; doi:10.1039/d4dt00498a

data_7716042
_publ_section_title
;
 Dinuclear group IV metal complexes based on a
 bis(indenyl)-(<i>E</i>/<i>Z</i>)-stilbene platform: a potential prototype
 of "photoswitchable" catalysts for olefin polymerization.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9452
_journal_page_last               9466
_journal_paper_doi               10.1039/d4dt00498a
_journal_volume                  53
_journal_year                    2024
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C14 H10 Br2'
_chemical_formula_sum            'C14 H10 Br2'
_chemical_formula_weight         338.04
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_update_record
;
2024-02-19 deposited with the CCDC.	2024-05-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.258(5)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   15.6067(17)
_cell_length_b                   14.7909(18)
_cell_length_c                   11.1941(15)
_cell_measurement_reflns_used    8920
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.36
_cell_measurement_wavelength     0.71073
_cell_volume                     2453.9(5)
_computing_cell_refinement       'APEX3 (Bruker, 2015)'
_computing_data_collection       'Bruker APEX3 (Bruker, 2015)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics
;
   'SXGRAPH (L. Farrugia, 1999), Mercury (CSD, 2020)'
;
_computing_publication_material  'CRYSCALC (T. Roisnel, local program, 2023)'
_computing_structure_refinement  'SHELXL-2019_2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2014_4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 '(CMOS) PHOTON 100'
_diffrn_detector_area_resol_mean 7.39
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'D8 VENTURE Bruker AXS'
_diffrn_measurement_method       'rotation images'
_diffrn_orient_matrix_UB_11      -0.0063251
_diffrn_orient_matrix_UB_12      0.0487673
_diffrn_orient_matrix_UB_13      0.0427479
_diffrn_orient_matrix_UB_21      0.0935050
_diffrn_orient_matrix_UB_22      -0.0007610
_diffrn_orient_matrix_UB_23      0.0279789
_diffrn_orient_matrix_UB_31      0.0081079
_diffrn_orient_matrix_UB_32      0.0468204
_diffrn_orient_matrix_UB_33      -0.0440707
_diffrn_radiation_monochromator  'multilayer monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'Incoatec microfocus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0578
_diffrn_reflns_av_unetI/netI     0.0588
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            23663
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.569
_diffrn_reflns_theta_min         2.359
_diffrn_source_current           1.0
_diffrn_source_power             50.0
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    6.575
_exptl_absorpt_correction_T_max  0.130
_exptl_absorpt_correction_T_min  0.060
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
  [Sheldrick, G.M. (2014). SADABS Bruker AXS Inc., Madison, Wisconsin, USA]
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.830
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.560
_exptl_crystal_size_mid          0.470
_exptl_crystal_size_min          0.310
_refine_diff_density_max         1.066
_refine_diff_density_min         -1.118
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5644
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0343
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0097P)^2^+2.8881P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0744
_refine_ls_wR_factor_ref         0.0810
_reflns_number_gt                4522
_reflns_number_total             5644
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d4dt00498a2.cif
_cod_data_source_block           TC1002F1_2
_cod_depositor_comments
'Adding full bibliography for 7716039--7716046.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7716042
_shelx_res_checksum              7547