[μ-<i>N</i>,<i>N</i>,<i>N</i>',<i>N</i>'-Tetrakis(2-pyridylmethyl)butane-1,4-diamine]bis[dibromidocopper(II)]
Bartholomä, Mark; Cheung, Hoi; Zubieta, Jon; Acta Crystallographica Section E 66 (2010) m1198–; doi:10.1107/S1600536810034537

data_2227764
_publ_section_title
;
 [\m-<i>N</i>,<i>N</i>,<i>N</i>',<i>N</i>'-Tetrakis(2-pyridylmethyl)butane-1,4-diamine]bis[dibromidocopper(II)]
;
_journal_coeditor_code           LH5106
_journal_issue                   10
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1198
_journal_paper_doi               10.1107/S1600536810034537
_journal_volume                  66
_journal_year                    2010
_chemical_formula_iupac          '[Cu2 Br4 (C28 H32 N6)]'
_chemical_formula_moiety         'C28 H32 Br4 Cu2 N6'
_chemical_formula_sum            'C28 H32 Br4 Cu2 N6'
_chemical_formula_weight         899.32
_chemical_name_systematic
;[\m-<i>N</i>,<i>N</i>,<i>N</i>',<i>N</i>'-Tetrakis(2-pyridylmethyl)butane-
1,4-diamine]bis[dibromidocopper(II)]
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 98.588(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.8613(6)
_cell_length_b                   14.2490(10)
_cell_length_c                   11.9488(9)
_cell_measurement_reflns_used    2666
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      27.15
_cell_measurement_theta_min      2.68
_cell_volume                     1491.80(18)
_computing_cell_refinement       'SAINT (Bruker, 1998)'
_computing_data_collection       'SMART (Bruker, 1998)'
_computing_data_reduction        'SAINT (Bruker, 1998)'
_computing_molecular_graphics    'DIAMOND (Brandenburg & Putz, 1999)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 512
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX CCD'
_diffrn_measurement_method       '\f and \w 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  0.0516
_diffrn_reflns_av_sigmaI/netI    0.0487
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14513
_diffrn_reflns_theta_full        28.05
_diffrn_reflns_theta_max         28.05
_diffrn_reflns_theta_min         2.24
_diffrn_standards_decay_%        0.001
_exptl_absorpt_coefficient_mu    6.813
_exptl_absorpt_correction_T_max  0.6117
_exptl_absorpt_correction_T_min  0.3735
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 1998)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    2.002
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.377
_refine_diff_density_min         -0.852
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.375
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     181
_refine_ls_number_reflns         3623
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.375
_refine_ls_R_factor_all          0.0843
_refine_ls_R_factor_gt           0.0736
_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^)+(0.0420P)^2^+10.8322P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1440
_refine_ls_wR_factor_ref         0.1474
_reflns_number_gt                3171
_reflns_number_total             3623
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            lh5106.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2227764
_cod_database_fobs_code          2227764