A polynuclear helical and two dinuclear copper(II) complexes of a monocondensed N,N,O donor Schiff base with pseudohalides as co-ligand
Pallab Bhowmik; Shouvik Chattopadhyay; Michael G.B. Drew; Ashutosh Ghosh; Inorganica Chimica Acta 395 (2013) 24–32; doi:10.1016/j.ica.2012.10.020

data_1512848
_publ_section_title
;
 A polynuclear helical and two dinuclear copper(II) complexes of a
 monocondensed N,N,O donor Schiff base with pseudohalides as co-ligand
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              24
_journal_page_last               32
_journal_paper_doi               10.1016/j.ica.2012.10.020
_journal_volume                  395
_journal_year                    2013
_chemical_formula_sum            'C13 H17 Cu N3 O2'
_chemical_formula_weight         310.84
_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                 93.1880(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.55122(12)
_cell_length_b                   20.0881(2)
_cell_length_c                   11.64687(12)
_cell_measurement_reflns_used    14673
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      61.68
_cell_measurement_theta_min      4.39
_cell_volume                     2698.38(5)
_computing_cell_refinement       'Crysalis, Oxford Diffraction'
_computing_data_collection       'Crysalis, Oxford Diffraction'
_computing_data_reduction        'Crysalis, Oxford Diffraction'
_computing_molecular_graphics    PLATON(Spek,2004)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.920
_diffrn_measured_fraction_theta_max 0.920
_diffrn_measurement_device       'Oxford Diffaction X-Calibur System'
_diffrn_measurement_method       '1780 frames, counting time 3 s.'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0289
_diffrn_reflns_av_sigmaI/netI    0.0235
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14673
_diffrn_reflns_theta_full        61.68
_diffrn_reflns_theta_max         61.68
_diffrn_reflns_theta_min         4.39
_exptl_absorpt_coefficient_mu    2.306
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.799
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'ABSPACK, Oxford Diffraction Ltd'
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.530
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1288
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.17
_refine_diff_density_max         1.356
_refine_diff_density_min         -0.460
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     349
_refine_ls_number_reflns         3866
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.145
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0497
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
_refine_ls_weighting_details 
  w=1/[\s^2^(Fo^2^)+(0.0575P)^2^+5.6657P] where P=(Fo^2^+2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1303
_refine_ls_wR_factor_ref         0.1311
_reflns_number_gt                3765
_reflns_number_total             3866
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-395-24-32-1.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               1512848