Exploration of the effect of 2,6-(t-Bu)2-4-Me-C6H2OH (BHT) in chain shuttling polymerization
Descour, Camille; Sciarone, Timo J. J.; Cavallo, Dario; Macko, Tibor; Kelchtermans, Mauritz; Korobkov, Ilia; Duchateau, Robbert; Polymer Chemistry 4 (2013) 4718–; doi:10.1039/c3py00506b

data_1514896
_publ_section_title
;
 Exploration of the effect of 2,6-(t-Bu)2-4-Me-C6H2OH (BHT) in chain
 shuttling polymerization
;
_journal_issue                   17
_journal_name_full               'Polymer Chemistry'
_journal_page_first              4718
_journal_paper_doi               10.1039/c3py00506b
_journal_volume                  4
_journal_year                    2013
_chemical_formula_sum            'C32 H51 Al O2'
_chemical_formula_weight         494.71
_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
_cell_angle_alpha                65.237(4)
_cell_angle_beta                 75.393(4)
_cell_angle_gamma                69.574(4)
_cell_formula_units_Z            2
_cell_length_a                   10.9975(11)
_cell_length_b                   12.3835(11)
_cell_length_c                   13.3184(12)
_cell_measurement_reflns_used    9916
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.33
_cell_volume                     1531.4(3)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_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  0.0201
_diffrn_reflns_av_sigmaI/netI    0.0190
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            24101
_diffrn_reflns_theta_full        28.38
_diffrn_reflns_theta_max         28.38
_diffrn_reflns_theta_min         1.88
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.9768
_exptl_absorpt_correction_T_min  0.9707
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.073
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.26
_refine_diff_density_max         0.388
_refine_diff_density_min         -0.399
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     316
_refine_ls_number_reflns         7448
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0666
_refine_ls_R_factor_gt           0.0553
_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^)+(0.1028P)^2^+0.5326P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1566
_refine_ls_wR_factor_ref         0.1718
_reflns_number_gt                6223
_reflns_number_total             7448
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3py00506b.txt
_cod_data_source_block           sg071
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1531.4(2)
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1514896