Ring-Opening Polymerization of Trimethylene Carbonate Using Aluminum(III) and Tin(IV) Salen Chloride Catalysts
Darensbourg, Donald. J.; Ganguly, Poulomi; Billodeaux, Damon; Macromolecules 38 (2005) 5406–; doi:10.1021/ma050666j

data_1506425
_publ_section_title
;
 Ring-Opening Polymerization of Trimethylene Carbonate Using Aluminum(III)
 and Tin(IV) Salen Chloride Catalysts
;
_journal_issue                   13
_journal_name_full               Macromolecules
_journal_page_first              5406
_journal_paper_doi               10.1021/ma050666j
_journal_volume                  38
_journal_year                    2005
_chemical_formula_sum            'C24 H26 Cl6 N2 O4 Sn'
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_chemical_name_systematic
; 
 ? 
;
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_atom_sites_solution_secondary   difmap
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_cell_formula_units_Z            4
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_cell_length_c                   16.323(11)
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_computing_cell_refinement       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
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_diffrn_radiation_type           MoK\a
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_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       14
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_diffrn_reflns_theta_max         23.58
_diffrn_reflns_theta_min         1.97
_exptl_absorpt_coefficient_mu    1.513
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'light yellow'
_exptl_crystal_density_diffrn    1.742
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
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_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
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_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0758P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1045
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_reflns_number_gt                3501
_reflns_number_total             4139
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma050666jsi20050502_101947.cif
_cod_data_source_block           db208m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1506425