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_4076182
_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            'C11 H18 Ag Cl N2'
_chemical_formula_weight         321.59
_chemical_name_systematic
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 ? 
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_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1431(2)
_cell_length_b                   8.1431(2)
_cell_length_c                   20.5450(8)
_cell_measurement_reflns_used    22326
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.511
_cell_measurement_theta_min      2.501
_cell_volume                     1362.34(7)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0152
_diffrn_reflns_av_sigmaI/netI    0.0071
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            15153
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.69
_exptl_absorpt_coefficient_mu    1.649
_exptl_absorpt_correction_T_max  1.000000
_exptl_absorpt_correction_T_min  0.857833
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.568
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.7
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.5
_refine_diff_density_max         0.561
_refine_diff_density_min         -0.315
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.02(4)
_refine_ls_extinction_coef       0.0091(5)
_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   1.393
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         1206
_refine_ls_number_restraints     53
_refine_ls_restrained_S_all      1.365
_refine_ls_R_factor_all          0.0145
_refine_ls_R_factor_gt           0.0144
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0187P)^2^+0.6497P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0453
_refine_ls_wR_factor_ref         0.0453
_reflns_number_gt                1203
_reflns_number_total             1206
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050735isi20050825_013844.cif
_cod_data_source_block           nol274m
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
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_cod_original_sg_symbol_H-M      P4(1)2(1)2
_cod_database_code               4076182