Synthesis, Characterization, and Catalysis in ϵ-Caprolactone Polymerization of Aluminum and Zinc Complexes Supported byN,N,N-Chelate Ligands
Chai, Zuo-Yun; Zhang, Cheng; Wang, Zhong-Xia; Organometallics 27 (2008) 1626–; doi:10.1021/om701112m

data_4070906
_publ_section_title
;
 Synthesis, Characterization, and Catalysis in &#x03F5;-Caprolactone
 Polymerization of Aluminum and Zinc Complexes Supported byN,N,N-Chelate
 Ligands
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1626
_journal_paper_doi               10.1021/om701112m
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C40 H52 Al N3 P2 Si2'
_chemical_formula_weight         719.95
_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                 107.876(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   27.217(2)
_cell_length_b                   9.5120(9)
_cell_length_c                   34.737(3)
_cell_measurement_reflns_used    2181
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.287
_cell_measurement_theta_min      2.281
_cell_volume                     8558.8(13)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'CCD area detector'
_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     0.71073
_diffrn_reflns_av_R_equivalents  0.0919
_diffrn_reflns_av_sigmaI/netI    0.1314
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       39
_diffrn_reflns_limit_l_min       -41
_diffrn_reflns_number            20764
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    0.208
_exptl_absorpt_correction_T_max  0.9656
_exptl_absorpt_correction_T_min  0.9577
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.117
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3072
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.366
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     472
_refine_ls_number_reflns         7491
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.2147
_refine_ls_R_factor_gt           0.0785
_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^)+(0.0759P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1720
_refine_ls_wR_factor_ref         0.2116
_reflns_number_gt                2499
_reflns_number_total             7491
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om701112m-file001.cif
_cod_data_source_block           14
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        8558.7(14)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4070906