Synthesis, characterization, and antimicrobial activity of silver carbene complexes derived from 4,5,6,7-tetrachlorobenzimidazole against antibiotic resistant bacteria.
Wright, Brian D.; Shah, Parth N.; McDonald, Lucas J.; Shaeffer, Michael L.; Wagers, Patrick O.; Panzner, Matthew J.; Smolen, Justin; Tagaev, Jasur; Tessier, Claire A.; Cannon, Carolyn L.; Youngs, Wiley J.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 6500–6506; doi:10.1039/c2dt00055e

data_7019057
_publ_section_title
;
 Synthesis, characterization, and antimicrobial activity of silver carbene
 complexes derived from 4,5,6,7-tetrachlorobenzimidazole against
 antibiotic resistant bacteria.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6500
_journal_page_last               6506
_journal_paper_doi               10.1039/c2dt00055e
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C7 H2 Cl4 N2'
_chemical_formula_sum            'C7 H2 Cl4 N2'
_chemical_formula_weight         255.91
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                108.611(4)
_cell_angle_beta                 94.721(4)
_cell_angle_gamma                90.265(4)
_cell_formula_units_Z            8
_cell_length_a                   7.4984(19)
_cell_length_b                   15.060(4)
_cell_length_c                   16.612(4)
_cell_measurement_reflns_used    6123
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.02
_cell_measurement_theta_min      2.22
_cell_volume                     1770.8(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.977
_diffrn_measured_fraction_theta_max 0.977
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0438
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            13921
_diffrn_reflns_theta_full        26.30
_diffrn_reflns_theta_max         26.30
_diffrn_reflns_theta_min         1.30
_exptl_absorpt_coefficient_mu    1.280
_exptl_absorpt_correction_T_max  0.8827
_exptl_absorpt_correction_T_min  0.7974
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.920
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.591
_refine_diff_density_min         -0.447
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     485
_refine_ls_number_reflns         7025
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0377
_refine_ls_shift/su_max          0.026
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0692P)^2^+0.8804P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1055
_refine_ls_wR_factor_ref         0.1227
_reflns_number_gt                6112
_reflns_number_total             7025
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt00055e.txt
_cod_data_source_block           bw4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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        1770.9(8)
_cod_original_sg_symbol_H-M      'P-1 '
_cod_database_code               7019057