The Role of Nitrogen Donors in Zinc Catalysts for Lactide Ring-Opening Polymerization.
Ebrahimi, Tannaz; Mamleeva, Emiliya; Yu, Insun; Hatzikiriakos, Savvas G.; Mehrkhodavandi, Parisa; Inorganic chemistry 55 (2016) 9445–9453; doi:10.1021/acs.inorgchem.6b01722

data_4348850
_publ_section_title
;
 The Role of Nitrogen Donors in Zinc Catalysts for Lactide Ring-Opening
 Polymerization.
;
_journal_issue                   18
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9445
_journal_page_last               9453
_journal_paper_doi               10.1021/acs.inorgchem.6b01722
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C60 H88 N4 O4 Zn2'
_chemical_formula_sum            'C60 H88 N4 O4 Zn2'
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_atom_sites_solution_secondary   difmap
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_cell_angle_gamma                104.696(4)
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_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
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_diffrn_reflns_limit_k_min       -16
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_diffrn_reflns_limit_l_min       -17
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_diffrn_reflns_point_group_measured_fraction_full 0.999
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_diffrn_source                   'fine-focus sealed tube'
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_exptl_absorpt_correction_T_min  0.8078
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_exptl_crystal_colour            yellow
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_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.25
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_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0542
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0669P)^2^+1.6550P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_shelx_res_checksum              16627
_shelx_hkl_checksum              48553