Exploring the versatility of a bis(phosphinimine) pincer ligand: effect of sterics on structure and lactide polymerization activity of cationic zinc complexes
Wheaton, Craig A.; Hayes, Paul G.; Catal. Sci. Technol. 2 (2012) 125–; doi:10.1039/C1CY00306B

data_1556287
_publ_section_title
;
 Exploring the versatility of a bis(phosphinimine) pincer ligand: effect
 of sterics on structure and lactide polymerization activity of cationic
 zinc complexes
;
_journal_issue                   1
_journal_name_full               'Catal. Sci. Technol.'
_journal_page_first              125
_journal_paper_doi               10.1039/C1CY00306B
_journal_volume                  2
_journal_year                    2012
_chemical_formula_sum            'C50 H40 N2 O P2'
_chemical_formula_weight         746.78
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 109.6460(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.0198(9)
_cell_length_b                   14.0045(7)
_cell_length_c                   16.7584(9)
_cell_measurement_reflns_used    9867
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      54.844
_cell_measurement_theta_min      4.907
_cell_volume                     3982.9(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0267
_diffrn_reflns_av_sigmaI/netI    0.0189
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            37535
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.58
_exptl_absorpt_coefficient_mu    0.150
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.6705
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1568
_exptl_crystal_size_max          0.46
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.21
_platon_squeeze_details
;
;
_refine_diff_density_max         0.533
_refine_diff_density_min         -0.585
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     498
_refine_ls_number_reflns         7010
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0394
_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^)+(0.0517P)^2^+1.5405P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1041
_refine_ls_wR_factor_ref         0.1079
_reflns_number_gt                5933
_reflns_number_total             7010
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1cy00306b.txt
_cod_data_source_block           L2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1556287