Influence of the metal-to-ligand ratio on the formation of metal organic complexes
Dobrzańska, Liliana; Kleinhans, Dewald J.; Barbour, Leonard J.; New Journal of Chemistry 32 (2008) 813–; doi:10.1039/b800720a

data_7051932
_publ_section_title
;
 Influence of the metal-to-ligand ratio on the formation of metal
 organic complexes
;
_journal_issue                   5
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              813
_journal_paper_doi               10.1039/b800720a
_journal_volume                  32
_journal_year                    2008
_chemical_formula_sum            'C28 H28 Br4 Cu2 N8'
_chemical_formula_weight         923.30
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_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                 98.926(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.264(5)
_cell_length_b                   7.469(4)
_cell_length_c                   22.621(11)
_cell_measurement_reflns_used    2514
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.809
_cell_measurement_theta_min      2.651
_cell_volume                     1546.3(14)
_computing_cell_refinement       'SAINT (Bruker, 2002)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'X-Seed (Barbour 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.934
_diffrn_measurement_device_type  'Bruker APEX CCD area-detector'
_diffrn_measurement_method       \w
_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  0.0428
_diffrn_reflns_av_sigmaI/netI    0.0580
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            9476
_diffrn_reflns_theta_full        26.50
_diffrn_reflns_theta_max         28.46
_diffrn_reflns_theta_min         2.23
_exptl_absorpt_coefficient_mu    6.578
_exptl_absorpt_correction_T_max  0.2507
_exptl_absorpt_correction_T_min  0.1626
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.983
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             900
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.21
_refine_diff_density_max         0.777
_refine_diff_density_min         -0.583
_refine_diff_density_rms         0.139
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.009
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3639
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0445
_refine_ls_R_factor_gt           0.0344
_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^)+(0.0350P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0777
_refine_ls_wR_factor_ref         0.0818
_reflns_number_gt                3051
_reflns_number_total             3639
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800720a.txt
_cod_data_source_block           IV
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7051932