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_4070907
_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_moiety         'C38 H47 N3 P2 Si2 Zn'
_chemical_formula_sum            'C38 H47 N3 P2 Si2 Zn'
_chemical_formula_weight         729.28
_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                87.485(7)
_cell_angle_beta                 69.713(4)
_cell_angle_gamma                83.888(7)
_cell_formula_units_Z            2
_cell_length_a                   11.9240(10)
_cell_length_b                   12.2017(12)
_cell_length_c                   14.1673(14)
_cell_measurement_reflns_used    5747
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      27.9
_cell_measurement_theta_min      1.5
_cell_volume                     1922.3(3)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalClear
_computing_publication_material  'CrystalStructure 3.7.0'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      113(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0381
_diffrn_reflns_av_sigmaI/netI    0.0522
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            24238
_diffrn_reflns_theta_full        27.89
_diffrn_reflns_theta_max         27.89
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    0.814
_exptl_absorpt_correction_T_max  0.9604
_exptl_absorpt_correction_T_min  0.9377
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   crystalclear
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             768
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.620
_refine_diff_density_min         -0.580
_refine_diff_density_rms         0.087
_refine_ls_extinction_coef       0.0082(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.113
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     424
_refine_ls_number_reflns         9111
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.113
_refine_ls_R_factor_all          0.0671
_refine_ls_R_factor_gt           0.0606
_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^)+(0.0504P)^2^+2.3907P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1327
_refine_ls_wR_factor_ref         0.1374
_reflns_number_gt                8238
_reflns_number_total             9111
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om701112m-file001.cif
_cod_data_source_block           15
_cod_database_code               4070907