Coordination Polymers of Flexible Bis(benzimidazole) Ligand: Halogen Bridging and Metal···Arene Interactions
Samai, Suman; Biradha, Kumar; Crystal Growth & Design 11 (2011) 5723–; doi:10.1021/cg2013254

data_4501431
_publ_section_title
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 Coordination Polymers of Flexible Bis(benzimidazole) Ligand: Halogen
 Bridging and Metal&#x00B7;&#x00B7;&#x00B7;Arene Interactions
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_journal_issue                   12
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              5723
_journal_paper_doi               10.1021/cg2013254
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C24 H26 N4 O2'
_chemical_formula_weight         402.49
_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                 94.931(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   5.5126(7)
_cell_length_b                   11.0763(14)
_cell_length_c                   17.406(2)
_cell_measurement_reflns_used    13002
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      2.18
_cell_volume                     1058.9(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker CCD APEX 2'
_diffrn_measurement_method       hemisphere
_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  0.0451
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            13002
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.18
_exptl_absorpt_coefficient_mu    0.082
_exptl_absorpt_correction_T_max  0.991
_exptl_absorpt_correction_T_min  0.985
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    1.262
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.423
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.149
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2081
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.149
_refine_ls_R_factor_all          0.0910
_refine_ls_R_factor_gt           0.0577
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1593
_refine_ls_wR_factor_ref         0.1773
_reflns_number_gt                1423
_reflns_number_total             2081
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg2013254_si_002.cif
_cod_data_source_block           L
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4501431