5,5′-Dicyano-2,2′-bithiophene and 3,3′-dicyanobiphenyl: off-axis rod-like ligands for silver(I)
MacKinnon, Craig D.; Parent, Shawna L. M.; Mawhinney, Robert C.; Assoud, Abdeljalil; Robertson, Craig M.; CrystEngComm 11 (2009) 160–; doi:10.1039/b810479d

data_7200213
_publ_section_title
;
 5,5&#x2032;-Dicyano-2,2&#x2032;-bithiophene and
 3,3&#x2032;-dicyanobiphenyl: off-axis rod-like ligands for silver(I)
;
_journal_issue                   1
_journal_name_full               CrystEngComm
_journal_page_first              160
_journal_paper_doi               10.1039/b810479d
_journal_volume                  11
_journal_year                    2009
_chemical_formula_sum            'C17.5 H16 Ag B F4 N2'
_chemical_formula_weight         449.00
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 108.114(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8779(14)
_cell_length_b                   14.465(2)
_cell_length_c                   13.422(2)
_cell_measurement_temperature    200(2)
_cell_volume                     1638.2(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(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  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0200
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18925
_diffrn_reflns_theta_full        30.56
_diffrn_reflns_theta_max         30.56
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    1.275
_exptl_absorpt_correction_T_max  0.8517
_exptl_absorpt_correction_T_min  0.6164
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'APEX II'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.821
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             892
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.33
_exptl_crystal_size_min          0.13
_refine_diff_density_max         1.227
_refine_diff_density_min         -0.928
_refine_diff_density_rms         0.076
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     250
_refine_ls_number_reflns         5016
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0425
_refine_ls_R_factor_gt           0.0384
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0356P)^2^+1.8329P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.0979
_reflns_number_gt                4475
_reflns_number_total             5016
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b810479d.txt
_cod_data_source_block           cdm13_0m
_cod_original_cell_volume        1638.1(4)
_cod_original_sg_symbol_H-M      P2_1/c
_cod_original_formula_sum        'C17.50 H16 Ag B F4 N2'
_cod_database_code               7200213