Hydrothermal synthesis, crystal structure and properties of Ag(I)-4f compounds based on 1H-benzimidazole-5,6-dicarboxylic acid.
Sun, Ya-guang; Wu, Yong-li; Xiong, Gang; Smet, Philippe F.; Ding, Fu; Guo, Mei-yan; Zhu, Ming-chang; Gao, En-jun; Poelman, Dirk; Verpoort, Francis; Dalton transactions (Cambridge, England : 2003) 39 (2010) 11383–11395; doi:10.1039/c0dt00579g

data_7026668
_publ_section_title
;
 Hydrothermal synthesis, crystal structure and properties of Ag(I)-4f
 compounds based on 1H-benzimidazole-5,6-dicarboxylic acid.
;
_journal_issue                   47
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11383
_journal_page_last               11395
_journal_paper_doi               10.1039/c0dt00579g
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C18 H13 Ag N4 O10.5 Tb'
_chemical_formula_weight         720.11
_chemical_name_systematic
;
?
;
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.287(5)
_cell_length_b                   8.5525(17)
_cell_length_c                   17.827(4)
_cell_measurement_reflns_used    11983
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      25.02
_cell_measurement_theta_min      2.29
_cell_volume                     3855.4(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\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  0.0341
_diffrn_reflns_av_sigmaI/netI    0.0205
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -28
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24363
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.730
_exptl_absorpt_correction_T_max  0.4514
_exptl_absorpt_correction_T_min  0.3311
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.481
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       square
_exptl_crystal_F_000             2760
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.737
_refine_diff_density_min         -2.586
_refine_diff_density_rms         0.145
_refine_ls_extinction_coef       0.00121(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    none
_refine_ls_matrix_type           full
_refine_ls_number_parameters     313
_refine_ls_number_reflns         3397
_refine_ls_number_restraints     894
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0287
_refine_ls_R_factor_gt           0.0270
_refine_ls_shift/su_max          0.041
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0416P)^2^+27.8445P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0731
_refine_ls_wR_factor_ref         0.0743
_reflns_number_gt                3243
_reflns_number_total             3397
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00579g.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        3855.4(13)
_cod_original_sg_symbol_H-M      Pccn
_cod_original_formula_sum        'C18 H13 Ag N4 O10.50 Tb'
_cod_database_code               7026668