Facilely synthesized benzotriazole phenolate zirconium complexes as versatile catalysts for copolymerization of carbon dioxide with cyclohexene oxide and lactide polymerization.
Chuang, Hui-Ju; Ko, Bao-Tsan; Dalton transactions (Cambridge, England : 2003) 44 (2015) 598–607; doi:10.1039/c4dt02774d

data_7032909
_publ_section_title
;
 Facilely synthesized benzotriazole phenolate zirconium complexes as
 versatile catalysts for copolymerization of carbon dioxide with
 cyclohexene oxide and lactide polymerization.
;
_journal_issue                   2
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              598
_journal_page_last               607
_journal_paper_doi               10.1039/c4dt02774d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C49 H62 N6 O4 Zr'
_chemical_formula_weight         890.26
_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                105.216(4)
_cell_angle_beta                 98.526(4)
_cell_angle_gamma                95.426(4)
_cell_formula_units_Z            4
_cell_length_a                   10.6166(7)
_cell_length_b                   21.7128(13)
_cell_length_c                   22.4253(14)
_cell_measurement_reflns_used    9774
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.22
_cell_measurement_theta_min      2.33
_cell_volume                     4884.6(5)
_computing_cell_refinement       'Bruker APEX2 (Bruker, 2008)'
_computing_data_collection       'APEX2 (Bruker, 2008)'
_computing_data_reduction        'Bruker APEX2 (Bruker, 2008)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0925
_diffrn_reflns_av_sigmaI/netI    0.1457
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            81995
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.47
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.272
_exptl_absorpt_correction_T_max  0.9786
_exptl_absorpt_correction_T_min  0.9401
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.211
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1880
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         2.883
_refine_diff_density_min         -1.652
_refine_diff_density_rms         0.138
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1083
_refine_ls_number_reflns         24142
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.1766
_refine_ls_R_factor_gt           0.0992
_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^)+(0.1200P)^2^+31.3035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2525
_refine_ls_wR_factor_ref         0.2959
_reflns_number_gt                13240
_reflns_number_total             24142
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02774d2.cif
_cod_data_source_block           yo29_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7032908--7032911.cif.
;
_cod_database_code               7032909