Novel Zn and Cd coordination polymers of 1,1′-(1,6-hexanediyl)bis-1H-benzimidazole: solvothermal synthesis, crystal structures and photoluminescence properties
Jing, Wang; Ren, Zhi-Gang; Dai, Ming; Chen, Yang; Lang, Jian-Ping; CrystEngComm 13 (2011) 5111–; doi:10.1039/c1ce05156c

data_7206211
_publ_section_title
;
 Novel Zn and Cd coordination polymers of
 1,1&#x2032;-(1,6-hexanediyl)bis-1H-benzimidazole: solvothermal
 synthesis, crystal structures and photoluminescence properties
;
_journal_issue                   16
_journal_name_full               CrystEngComm
_journal_page_first              5111
_journal_paper_doi               10.1039/c1ce05156c
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C20 H22 Br2 N4 Zn'
_chemical_formula_sum            'C20 H22 Br2 N4 Zn'
_chemical_formula_weight         543.61
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                102.64(3)
_cell_angle_beta                 105.75(3)
_cell_angle_gamma                98.64(3)
_cell_formula_units_Z            2
_cell_length_a                   9.2071(18)
_cell_length_b                   10.196(2)
_cell_length_c                   12.285(3)
_cell_measurement_reflns_used    4420
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.4391
_cell_measurement_theta_min      3.1100
_cell_volume                     1055.7(5)
_computing_cell_refinement       'CrystalClear, Ver. 1.30 (Rigaku/MSC, 2001)'
_computing_data_collection       'CrystalClear, Ver. 1.30 (Rigaku/MSC, 2001)'
_computing_data_reduction
'CrystalStructure, Ver. 3.60 (Rigaku/MSC,2004)'
_computing_molecular_graphics    'SHELXS-97 (Sheldrick, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Rigaku MercuryCCD 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  0.0688
_diffrn_reflns_av_sigmaI/netI    0.0977
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8151
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.11
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.960
_exptl_absorpt_correction_T_max  0.6369
_exptl_absorpt_correction_T_min  0.2416
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Jacobson, R. (1998) Private communication to Rigaku Company, Tokyo, Japan.'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.710
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             540
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.058
_refine_diff_density_min         -0.524
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         3657
_refine_ls_number_restraints     198
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.1564
_refine_ls_R_factor_gt           0.0863
_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^)+(0.1125P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2023
_refine_ls_wR_factor_ref         0.2452
_reflns_number_gt                2015
_reflns_number_total             3657
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05156c.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1055.8(4)
_cod_database_code               7206211