Potential of silver against human colon cancer: (synthesis, characterization and crystal structures of xylyl (Ortho, meta, & Para) linked bis-benzimidazolium salts and Ag(I)-NHC complexes: In vitroanticancer studies)
Muhammad Adnan Iqbal; Rosenani A Haque; Siti Fatimah Nasri; AMS Abdul Majid; Mohamed B Khadeer Ahamed; Elham Farsi; Tabinda Fatima; Chemistry Central Journal 7 (2013) 27–; doi:10.1186/1752-153X-7-27

data_1547251
_publ_section_title
;
 Potential of silver against human colon cancer: (synthesis,
 characterization and crystal structures of xylyl (Ortho, meta, & Para)
 linked bis-benzimidazolium salts and Ag(I)-NHC complexes: In
 vitroanticancer studies)
;
_journal_name_full               'Chemistry Central Journal'
_journal_page_first              27
_journal_paper_doi               10.1186/1752-153X-7-27
_journal_volume                  7
_journal_year                    2013
_chemical_formula_sum            'C28 H32 F12 N4 P2'
_chemical_formula_weight         714.52
_space_group_IT_number           14
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 96.8960(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.3719(4)
_cell_length_b                   10.0392(2)
_cell_length_c                   19.1499(4)
_cell_measurement_temperature    100(2)
_cell_volume                     3124.72(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0334
_diffrn_reflns_av_sigmaI/netI    0.0333
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            41315
_diffrn_reflns_theta_full        31.92
_diffrn_reflns_theta_max         31.92
_diffrn_reflns_theta_min         2.14
_exptl_absorpt_coefficient_mu    0.238
_exptl_absorpt_correction_T_max  0.9475
_exptl_absorpt_correction_T_min  0.9125
_exptl_crystal_density_diffrn    1.519
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.889
_refine_diff_density_min         -0.641
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         10750
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0707
_refine_ls_R_factor_gt           0.0522
_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^)+(0.0714P)^2^+2.9781P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1309
_refine_ls_wR_factor_ref         0.1531
_reflns_number_gt                8517
_reflns_number_total             10750
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            13065_2012_593_MOESM5_ESM.cif
_cod_data_source_block           ladipf6_0m
_cod_database_code               1547251