Bis-Salicylaldiminato Complexes of Zinc. Examination of the Catalyzed Epoxide/CO2 Copolymerization
Donald J. Darensbourg; Patrick Rainey; Jason Yarbrough; Inorganic Chemistry 40 (2001) 986–993; doi:10.1021/ic0006403

data_4319280
_publ_section_title
;
 Bis-Salicylaldiminato Complexes of Zinc. Examination of the Catalyzed
 Epoxide/CO2 Copolymerization
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              986
_journal_page_last               993
_journal_paper_doi               10.1021/ic0006403
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C20 H26 N O'
_chemical_formula_weight         296.42
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 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                   7.541(3)
_cell_length_b                   9.580(4)
_cell_length_c                   23.817(9)
_cell_measurement_temperature    110(2)
_cell_volume                     1720.6(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0218
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            7578
_diffrn_reflns_theta_full        23.30
_diffrn_reflns_theta_max         23.30
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.069
_exptl_crystal_density_diffrn    1.144
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             644
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.187
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         2480
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0513
_refine_ls_R_factor_gt           0.0491
_refine_ls_shift/su_max          0.035
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0971P)^2^+0.1304P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1297
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                2319
_reflns_number_total             2480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0006403_4.cif
_cod_data_source_block           ddm
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        1720.6(11)
_cod_database_code               4319280