Ether-Substituted Group 4 Metallocene Complexes: Cytostatic Effects and Applications in Ethylene Polymerization
Ceballos-Torres, Jesús; Prashar, Sanjiv; Fajardo, Mariano; Chicca, Andrea; Gertsch, Jürg; Pinar, Ana B.; Gómez-Ruiz, Santiago; Organometallics 34 (2015) 2522–; doi:10.1021/om5012209

data_1518944
_publ_section_title
;
 Ether-Substituted Group 4 Metallocene Complexes: Cytostatic Effects and
 Applications in Ethylene Polymerization
;
_journal_issue                   11
_journal_name_full               Organometallics
_journal_page_first              2522
_journal_paper_doi               10.1021/om5012209
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C22 H34 Cl2 O4 Zr'
_chemical_formula_weight         524.61
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 94.620(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   25.577(5)
_cell_length_b                   6.6615(13)
_cell_length_c                   14.001(3)
_cell_measurement_reflns_used    1159
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.89
_cell_measurement_theta_min      2.92
_cell_volume                     2377.8(8)
_computing_cell_refinement       'Bruker smart'
_computing_data_collection       'Bruker smart'
_computing_data_reduction        'Bruker smart'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXL-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker Axs APEX automatic diffractometer'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0519
_diffrn_reflns_av_sigmaI/netI    0.0657
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -5
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            6807
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         1.60
_exptl_absorpt_coefficient_mu    0.712
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.820
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Bruker SADABS (Bruker, 1999)'
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prismatic
_exptl_crystal_F_000             1088
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.677
_refine_diff_density_min         -0.912
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2424
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0683
_refine_ls_R_factor_gt           0.0531
_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^)+(0.0667P)^2^+6.7380P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1307
_refine_ls_wR_factor_ref         0.1409
_reflns_number_gt                1941
_reflns_number_total             2424
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5012209_si_002.cif
_cod_data_source_block           s7b
_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 'Empirical' changed to
'empirical' 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 3143 2015-03-26 13:38:13Z robertas 

 Adding full bibliography for 1518944--1518945.cif.
;
_cod_original_cell_volume        2377.7(8)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1518944