A practical guide to arylbiguanides — Synthesis and structural characterization
Olivier LeBel; Thierry Maris; Hugues Duval; James D. Wuest; Can. J. Chem. 83 (2005) 615–625; doi:10.1139/v05-093

data_1501608
_publ_section_title
;
 A practical guide to arylbiguanides --- Synthesis and structural
 characterization
;
_journal_name_full               'Can. J. Chem.'
_journal_page_first              615
_journal_page_last               625
_journal_paper_doi               10.1139/v05-093
_journal_volume                  83
_journal_year                    2005
_chemical_compound_source        'Synthesized by the authors. See text'
_chemical_formula_moiety         'C14 H15 N5'
_chemical_formula_sum            'C14 H15 N5'
_chemical_formula_weight         253.31
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yc'
_symmetry_space_group_name_H-M   'P 1 c 1'
_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                 99.588(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0317(3)
_cell_length_b                   6.3945(2)
_cell_length_c                   22.5874(8)
_cell_measurement_reflns_used    4072
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      71.97
_cell_measurement_theta_min      3.97
_cell_volume                     1286.27(7)
_computing_cell_refinement       'SMART (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        'SAINT (Bruker, 1999)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  'UdMX (local program)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.5
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart 2000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'X-ray Sealed Tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.035
_diffrn_reflns_av_sigmaI/netI    0.1470
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            7271
_diffrn_reflns_theta_full        71.96
_diffrn_reflns_theta_max         71.96
_diffrn_reflns_theta_min         3.97
_diffrn_standards_decay_%        0.23
_diffrn_standards_number         88
_exptl_absorpt_coefficient_mu    0.663
_exptl_absorpt_correction_T_max  0.980
_exptl_absorpt_correction_T_min  0.890
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs (Sheldrick,1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.308
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.327
_refine_diff_density_rms         0.081
_refine_ls_abs_structure_details 'friedel pairs merged'
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         2530
_refine_ls_number_restraints     470
_refine_ls_restrained_S_all      0.951
_refine_ls_R_factor_all          0.0745
_refine_ls_R_factor_gt           0.0673
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0550P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1525
_refine_ls_wR_factor_ref         0.1551
_reflns_number_gt                1570
_reflns_number_total             2530
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            deposit.cif
_cod_data_source_block           jiw810
_cod_original_sg_symbol_H-M      Pc
_cod_database_code               1501608