1,2-Azaborolyl-Ligated Titanium(IV) Half-Metallocenes: Synthesis, Characterization, and Catalytic Activity in Ethylene Polymerization
Chen, Yang; Fang, Xiangdong; Dan, Wenyan; Organometallics 35 (2016) 15–; doi:10.1021/acs.organomet.5b00779

data_4086357
_publ_section_title
;
 1,2-Azaborolyl-Ligated Titanium(IV) Half-Metallocenes: Synthesis,
 Characterization, and Catalytic Activity in Ethylene Polymerization
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              15
_journal_paper_doi               10.1021/acs.organomet.5b00779
_journal_volume                  35
_journal_year                    2016
_chemical_formula_sum            'C19 H40 B Cl2 N2 P Ti'
_chemical_formula_weight         457.11
_chemical_name_common            'Titanium boron chloride'
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_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                 100.399(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.5993(2)
_cell_length_b                   14.5811(4)
_cell_length_c                   19.6033(5)
_cell_measurement_temperature    173(2)
_cell_volume                     2417.63(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0476
_diffrn_reflns_av_sigmaI/netI    0.0491
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            20330
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.99
_exptl_absorpt_coefficient_mu    0.648
_exptl_absorpt_correction_T_max  0.8294
_exptl_absorpt_correction_T_min  0.7817
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Tetragonal
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.692
_refine_diff_density_min         -0.580
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.102
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         5215
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.102
_refine_ls_R_factor_all          0.0756
_refine_ls_R_factor_gt           0.0615
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0561P)^2^+4.3577P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1405
_refine_ls_wR_factor_ref         0.1479
_reflns_number_gt                4390
_reflns_number_total             5215
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00779_si_004.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 

 Adding full bibliography for 4086356--4086361.cif.
;
_cod_original_cell_volume        2417.6(1)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4086357