A family of ligand and anion dependent structurally diverse Cu(II) Schiff-base complexes and their catalytic efficacy in O-arylation reaction in ethanolic medium
Maity, Tanmoy; Saha, Debraj; Bhunia, Susmita; Brandao, Paula; Das, Soma; Koner, Subratanath; RSC Adv.  (2015) –; doi:10.1039/C5RA14758A

data_7222146
_publ_section_title
;
 A family of ligand and anion dependent structurally diverse Cu(II)
 Schiff-base complexes and their catalytic efficacy in O-arylation
 reaction in ethanolic medium
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA14758A
_journal_year                    2015
_chemical_formula_sum            'C28 H42 Cu2 N10 O18'
_chemical_formula_weight         933.82
_chemical_name_systematic
;
 ?
;
_chemical_properties_physical    Moisture-sensitive
_space_group_IT_number           15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-06-28 deposited with the CCDC.
2015-09-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.446(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.3483(9)
_cell_length_b                   12.7358(8)
_cell_length_c                   19.0760(11)
_cell_measurement_reflns_used    90
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      30
_cell_measurement_theta_min      3
_cell_volume                     3725.4(4)
_computing_cell_refinement       'SMART APEX II'
_computing_data_collection       'SMART APEX II (Bruker,2010)'
_computing_data_reduction        'SMART APEX II'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0811
_diffrn_reflns_av_sigmaI/netI    0.0674
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            26925
_diffrn_reflns_theta_full        27.09
_diffrn_reflns_theta_max         27.09
_diffrn_reflns_theta_min         2.08
_exptl_absorpt_coefficient_mu    1.234
_exptl_absorpt_correction_T_max  0.9129
_exptl_absorpt_correction_T_min  0.7682
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABAS
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.665
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1928
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.31
_refine_diff_density_max         1.113
_refine_diff_density_min         -0.884
_refine_diff_density_rms         0.110
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     264
_refine_ls_number_reflns         4079
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1406
_refine_ls_R_factor_gt           0.0756
_refine_ls_shift/su_max          0.055
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1245P)^2^+13.0985P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1962
_refine_ls_wR_factor_ref         0.2470
_reflns_number_gt                2247
_reflns_number_total             4116
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra14758a2.cif
_cod_data_source_block           sk-4_12_12
_cod_original_sg_symbol_H-M      c2/c
_cod_database_code               7222146