Silver(I) complexes of N-4-halophenyl-N′-4-pyridyl ureas. Isostructurality, urea⋯nitrate hydrogen bonding, and Ag⋯halogen interaction
Chandran, Sreekanth K.; Thakuria, Ranjit; Nangia, Ashwini; CrystEngComm 10 (2008) 1891–; doi:10.1039/b810549a

data_7202340
_publ_section_title
;
 Silver(I) complexes of N-4-halophenyl-N&#x2032;-4-pyridyl ureas.
 Isostructurality, urea&#x22EF;nitrate hydrogen bonding, and
 Ag&#x22EF;halogen interaction
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              1891
_journal_paper_doi               10.1039/b810549a
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         '(C24 H20 Ag Br2 N6 O2), (C2 H3 N), (N O3)'
_chemical_formula_sum            'C26 H23 Ag Br2 N8 O5'
_chemical_formula_weight         795.21
_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                84.5970(10)
_cell_angle_beta                 79.3760(10)
_cell_angle_gamma                71.7090(10)
_cell_formula_units_Z            2
_cell_length_a                   9.5477(5)
_cell_length_b                   12.3303(6)
_cell_length_c                   12.8922(7)
_cell_measurement_reflns_used    9941
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      2.28
_cell_volume                     1415.29(13)
_computing_cell_refinement       'Bruker SMART'
_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 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0166
_diffrn_reflns_av_sigmaI/netI    0.0194
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14663
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    3.588
_exptl_absorpt_correction_T_max  0.5339
_exptl_absorpt_correction_T_min  0.3012
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.866
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             784
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.393
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     400
_refine_ls_number_reflns         5522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0229
_refine_ls_R_factor_gt           0.0212
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0326P)^2^+0.5189P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0542
_refine_ls_wR_factor_ref         0.0550
_reflns_number_gt                5186
_reflns_number_total             5522
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            B810549A.txt
_cod_data_source_block           2_bromo
_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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_Hall     '-P 1 '
_cod_original_sg_symbol_H-M      'P-1 '
_cod_database_code               7202340