Synthesis of Well-DefinedN-Heterocyclic Carbene Silver(I) Complexes
de Frémont, Pierre; Scott, Natalie M.; Stevens, Edwin D.; Ramnial, Taramatee; Lightbody, Owen C.; Macdonald, Charles L. B.; Clyburne, Jason A. C.; Abernethy, Colin D.; Nolan, Steven P.; Organometallics 24 (2005) 6301–; doi:10.1021/om050735i

data_4076187
_publ_section_title
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 Synthesis of Well-DefinedN-Heterocyclic Carbene Silver(I) Complexes
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_journal_issue                   26
_journal_name_full               Organometallics
_journal_page_first              6301
_journal_paper_doi               10.1021/om050735i
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C28 H50 Ag Cl3 N2'
_chemical_formula_weight         628.92
_chemical_name_systematic
; 
 ? 
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_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 116.7990(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.1296(6)
_cell_length_b                   13.0986(5)
_cell_length_c                   16.5205(6)
_cell_measurement_reflns_used    35228
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.522
_cell_measurement_theta_min      2.080
_cell_volume                     3115.5(2)
_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      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0337
_diffrn_reflns_av_sigmaI/netI    0.0191
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            19837
_diffrn_reflns_theta_full        20.00
_diffrn_reflns_theta_max         20.00
_diffrn_reflns_theta_min         2.38
_exptl_absorpt_coefficient_mu    0.923
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.860951
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.341
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1320
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.5
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.559
_refine_diff_density_min         -0.497
_refine_diff_density_rms         0.050
_refine_ls_extinction_coef       0.00123(11)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     308
_refine_ls_number_reflns         2900
_refine_ls_number_restraints     232
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0285
_refine_ls_R_factor_gt           0.0264
_refine_ls_shift/su_max          0.435
_refine_ls_shift/su_mean         0.034
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0138P)^2^+7.7562P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0600
_refine_ls_wR_factor_ref         0.0608
_reflns_number_gt                2717
_reflns_number_total             2900
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050735isi20050825_014012.cif
_cod_data_source_block           nol271m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' 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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4076187