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_7716041
_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      orthorhombic
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_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                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.8322(7)
_cell_length_b                   11.7938(6)
_cell_length_c                   15.1516(7)
_cell_measurement_reflns_used    2137
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      22.74
_cell_measurement_theta_min      2.27
_cell_measurement_wavelength     0.71073
_cell_volume                     2471.7(2)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2014)'
_computing_data_collection       'Bruker APEX2 (Bruker, 2014)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2014)'
_computing_molecular_graphics
;
   'SXGRAPH (L. Farrugia, 1999), Mercury (CSD, 2020)'
;
_computing_publication_material
'CRYSCALC (T. Roisnel, local program, ver. 2024)'
_computing_structure_refinement  'SHELXL-2019_2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2014_4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'APEXII, Bruker-AXS'
_diffrn_measurement_method       'CCD rotation images, thin slices'
_diffrn_orient_matrix_UB_11      -0.0143200
_diffrn_orient_matrix_UB_12      0.0632379
_diffrn_orient_matrix_UB_13      -0.0299800
_diffrn_orient_matrix_UB_21      -0.0745065
_diffrn_orient_matrix_UB_22      0.0054323
_diffrn_orient_matrix_UB_23      0.0311121
_diffrn_orient_matrix_UB_31      0.0378568
_diffrn_orient_matrix_UB_32      0.0346122
_diffrn_orient_matrix_UB_33      0.0498916
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0415
_diffrn_reflns_av_unetI/netI     0.0521
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            11228
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.512
_diffrn_reflns_theta_min         2.638
_diffrn_source_current           30.
_diffrn_source_power             1500.0
_diffrn_source_voltage           50.
_exptl_absorpt_coefficient_mu    6.527
_exptl_absorpt_correction_T_max  0.376
_exptl_absorpt_correction_T_min  0.245
_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    1.817
_exptl_crystal_description       prism
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.360
_exptl_crystal_size_mid          0.220
_exptl_crystal_size_min          0.150
_refine_diff_density_max         0.515
_refine_diff_density_min         -0.716
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.999
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         2835
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.999
_refine_ls_R_factor_all          0.0998
_refine_ls_R_factor_gt           0.0445
_refine_ls_shift/su_max          0.013
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0466P)^2^+0.1732P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.1010
_reflns_number_gt                1667
_reflns_number_total             2835
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d4dt00498a2.cif
_cod_data_source_block           TC1004
_cod_depositor_comments
'Adding full bibliography for 7716039--7716046.cif.'
_cod_database_code               7716041
_shelx_res_checksum              80769