Organoamido zirconium(IV) and titanium(IV) complexes and their catalysis towards ethylene polymerization
Zhou, Meisu; Yang, Qiaokun; Tong, Hongbo; RSC Adv.  (2015) –; doi:10.1039/C5RA20868H

data_7223429
_publ_section_title
;
 Organoamido zirconium(IV) and titanium(IV) complexes and their catalysis
 towards ethylene polymerization
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA20868H
_journal_year                    2015
_chemical_formula_sum            'C53 H98 Cl N15 O2 Si3 Zr'
_chemical_formula_weight         1188.40
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-09-15 deposited with the CCDC.
2015-12-02 downloaded from the CCDC.
;
_cell_angle_alpha                87.593(4)
_cell_angle_beta                 76.510(3)
_cell_angle_gamma                82.086(4)
_cell_formula_units_Z            2
_cell_length_a                   12.6863(19)
_cell_length_b                   14.732(2)
_cell_length_c                   18.976(3)
_cell_measurement_reflns_used    2603
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      21.7115
_cell_measurement_theta_min      2.2065
_cell_volume                     3415.6(9)
_computing_cell_refinement       SAINT
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Smart apec ccd'
_diffrn_measurement_method       \w
_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  0.0425
_diffrn_reflns_av_sigmaI/netI    0.0896
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19339
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.10
_exptl_absorpt_coefficient_mu    0.299
_exptl_absorpt_correction_T_max  0.9399
_exptl_absorpt_correction_T_min  0.9026
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.339
_refine_diff_density_rms         0.060
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     676
_refine_ls_number_reflns         12078
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0534
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0358P)^2^+1.3130P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0997
_refine_ls_wR_factor_ref         0.1201
_reflns_number_gt                7669
_reflns_number_total             12078
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra20868h1.cif
_cod_data_source_block           s826b
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 
;
_cod_original_cell_volume        3415.7(9)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7223429