Amido phosphine complexes of zinc: synthesis, structure, and catalytic ring-opening polymerization of epsilon-caprolactone.
Liang, Lan-Chang; Lee, Wei-Ying; Tsai, Tzung-Ling; Hsu, Yu-Lin; Lee, Ting-Yu; Dalton transactions (Cambridge, England : 2003) 39 (2010) 8748–8758; doi:10.1039/c0dt00327a

data_7026288
_publ_section_title
;
 Amido phosphine complexes of zinc: synthesis, structure, and catalytic
 ring-opening polymerization of epsilon-caprolactone.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8748
_journal_page_last               8758
_journal_paper_doi               10.1039/c0dt00327a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C28 H45 Li N O2 P'
_chemical_formula_sum            'C28 H45 Li N O2 P'
_chemical_formula_weight         465.56
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2ab'
_symmetry_space_group_name_H-M   'P b n 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7145(3)
_cell_length_b                   15.3867(5)
_cell_length_c                   17.6868(6)
_cell_measurement_reflns_used    8909
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.037
_cell_volume                     2915.86(16)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 19'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0533
_diffrn_reflns_av_sigmaI/netI    0.0592
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            13751
_diffrn_reflns_theta_full        25.36
_diffrn_reflns_theta_max         25.36
_diffrn_reflns_theta_min         2.22
_exptl_absorpt_coefficient_mu    0.116
_exptl_absorpt_correction_T_max  1.0059
_exptl_absorpt_correction_T_min  0.946
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2.10 (Sheldrick, 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.061
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.517
_refine_diff_density_rms         0.160
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.3(2)
_refine_ls_extinction_coef       0.072(6)
_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   1.163
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4376
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.162
_refine_ls_R_factor_all          0.1159
_refine_ls_R_factor_gt           0.0837
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1290P)^2^+0.1948P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1914
_refine_ls_wR_factor_ref         0.2194
_reflns_number_gt                3237
_reflns_number_total             4376
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00327a.txt
_cod_data_source_block           5994_5d
_cod_database_code               7026288