Molecular structures of dinuclear zinc(II) complexes of chiral tridentate imine and amine ligands: Effect of ligand geometry on diastereoselectivity
Himanshu Sekhar Jena; Vadivelu Manivannan; Inorganica Chimica Acta 393 (2012) 210–219; doi:

data_1512726
_publ_section_title
;
 Molecular structures of dinuclear zinc(II) complexes of chiral tridentate
 imine and amine ligands: Effect of ligand geometry on
 diastereoselectivity
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              210
_journal_page_last               219
_journal_volume                  393
_journal_year                    2012
_chemical_formula_moiety         'C30 H26 N6 O4 Zn2'
_chemical_formula_sum            'C30 H26 N6 O4 Zn2'
_chemical_formula_weight         665.35
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 94.381(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.6765(12)
_cell_length_b                   16.646(2)
_cell_length_c                   10.0095(14)
_cell_measurement_reflns_used    9976
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.37
_cell_measurement_theta_min      2.38
_cell_volume                     1441.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.00
_diffrn_measured_fraction_theta_max 1.00
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0160
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            21158
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    1.711
_exptl_absorpt_correction_T_max  0.620
_exptl_absorpt_correction_T_min  0.455
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   multi-scan
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.533
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             680.0
_exptl_crystal_size_max          0.48
_exptl_crystal_size_mid          0.39
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     191
_refine_ls_number_reflns         3588
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.0381
_refine_ls_R_factor_gt           0.0274
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0420P)^2^+0.4000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0733
_refine_ls_wR_factor_ref         0.0799
_reflns_number_gt                2755
_reflns_number_total             3588
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-394-210-219-1.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1512726