Pyridine Substituted N-Heterocyclic Carbene Ligands as Supports for Au(I)-Ag(I) Interactions: Formation of a Chiral Coordination Polymer
Vincent J. Catalano; Mark A. Malwitz; Anthony O. Etogo; Inorganic Chemistry 43 (2004) 5714–5724; doi:10.1021/ic049604k

data_4311522
_publ_section_title
;
 Pyridine Substituted N-Heterocyclic Carbene Ligands as Supports for
 Au(I)-Ag(I) Interactions: Formation of a Chiral Coordination Polymer
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5714
_journal_page_last               5724
_journal_paper_doi               10.1021/ic049604k
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C42 H40 B2 F8 Hg N8'
_chemical_formula_weight         1031.03
_chemical_name_common            8
_chemical_name_systematic
; 
 ? 
;
_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                88.07(2)
_cell_angle_beta                 82.92(3)
_cell_angle_gamma                68.24(4)
_cell_formula_units_Z            2
_cell_length_a                   11.224(7)
_cell_length_b                   11.666(2)
_cell_length_c                   18.096(4)
_cell_measurement_reflns_used    30
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      12.53
_cell_measurement_theta_min      5.06
_cell_volume                     2183.7(16)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0555
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -1
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            8991
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.88
_diffrn_standards_interval_count 97
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.598
_exptl_absorpt_correction_T_max  0.8159
_exptl_absorpt_correction_T_min  0.3295
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            lt._brown
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1020
_exptl_crystal_size_max          .34
_exptl_crystal_size_mid          .44
_exptl_crystal_size_min          .46
_refine_diff_density_max         0.922
_refine_diff_density_min         -0.850
_refine_diff_density_rms         0.099
_refine_ls_extinction_coef       0.0052(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
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_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     551
_refine_ls_number_reflns         7696
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.0670
_refine_ls_R_factor_gt           0.0439
_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^)+(0.0586P)^2^+0.5157P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0942
_refine_ls_wR_factor_ref         0.1035
_reflns_number_gt                6043
_reflns_number_total             7696
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic049604ksi20040323_054337_7.cif
_cod_data_source_block           vjc349
_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_cell_volume        2183.8(14)
_cod_database_code               4311522