Highly Birefringent Cyanoaurate Coordination Polymers: The Effect of Polarizable C-X Bonds (X = Cl, Br)
Michael J. Katz; Daniel B. Leznoff; Journal of the American Chemical Society 131 (2009) 18435–18444; doi:10.1021/ja907519c

data_4105500
_publ_contact_author_address
; 
Daniel B. Leznoff
Department of Chemistry
Simon Fraser University
Burnaby, British Columbia
CANADA   V5A 1S6
;
_publ_contact_author_email       dleznoff@sfu.ca
_publ_contact_author_fax         1-778-782-3765
_publ_contact_author_name        'Daniel B. Leznoff'
_publ_contact_author_phone       1-778-782-4887
_publ_section_title
;
 Highly Birefringent Cyanoaurate Coordination Polymers: The Effect of
 Polarizable C-X Bonds (X = Cl, Br)
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              18435
_journal_page_last               18444
_journal_paper_doi               10.1021/ja907519c
_journal_volume                  131
_journal_year                    2009
_chemical_formula_moiety         'C19 H11.48 Au2.00 Br1 N7 O0.74 Pb1'
_chemical_formula_sum            'C19 H11.48 Au2 Br N7 O0.74 Pb'
_chemical_formula_weight         1030.70
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90
_cell_angle_beta                 111.505(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7680(3)
_cell_length_b                   23.6668(7)
_cell_length_c                   11.2028(3)
_cell_measurement_reflns_used    9669
_cell_measurement_temperature    150
_cell_measurement_theta_max      44.017
_cell_measurement_theta_min      1.721
_cell_volume                     2162.87(12)
_computing_cell_refinement       ' Bruker SMART APEX II'
_computing_data_collection       ' Bruker SMART APEX II'
_computing_data_reduction        ' Bruker SMART APEX II'
_computing_molecular_graphics    ORTEP/PovRay
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    ' SIR92 (Altomare et al, 1994)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker SMART APEX-II CCD'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.056
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -45
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            111834
_diffrn_reflns_theta_full        29.932
_diffrn_reflns_theta_max         44.017
_diffrn_reflns_theta_min         1.721
_exptl_absorpt_coefficient_mu    23.171
_exptl_absorpt_correction_T_max  0.749
_exptl_absorpt_correction_T_min  0.192
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    3.165
_exptl_crystal_description       plate
_exptl_crystal_F_000             1821.596
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.41
_exptl_crystal_size_min          0.10
_refine_diff_density_max         3.19
_refine_diff_density_min         -2.38
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.8448
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     294
_refine_ls_number_reflns         6909
_refine_ls_number_restraints     53
_refine_ls_R_factor_all          0.0990
_refine_ls_R_factor_gt           0.0323
_refine_ls_shift/su_max          0.019936
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
 Method= Modified Sheldrick 
 w=1/[\s^2^(F^2^) + ( 0.01P)^2^ + 0.00P] 
 ,where P=(max(Fo^2^,0) + 2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.0650
_refine_ls_wR_factor_gt          0.0366
_refine_ls_wR_factor_ref         0.0359
_reflns_limit_h_max              15
_reflns_limit_h_min              -17
_reflns_limit_k_max              45
_reflns_limit_k_min              0
_reflns_limit_l_max              21
_reflns_limit_l_min              0
_reflns_number_gt                7354
_reflns_number_total             16426
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   1.12
_oxford_diffrn_Wilson_scale      1349.09
_oxford_refine_ls_r_factor_ref   0.0305
_oxford_refine_ls_scale          0.03299(3)
_oxford_reflns_number_all        16426
_oxford_reflns_threshold_expression_ref I>2.5\s(I)
_cod_data_source_file            ja907519c_si_001_3.cif
_cod_data_source_block           Pb(BrTerpy)(mu-OH2)(0.5)[Au(CN)2]2
_cod_original_sg_symbol_H-M      'P 1 21/m 1 '
_cod_original_formula_sum        'C19 H11.48 Au2.00 Br1 N7 O0.74 Pb1'
_cod_database_code               4105500