N-Functionalised heterocyclic carbene complexes of silver
Tulloch, Arran A. D.; Danopoulos, Andreas A.; Winston, Scott; Kleinhenz, Sven; Eastham, Graham; Journal of the Chemical Society, Dalton Transactions  (2000) 4499–; doi:10.1039/b007504n

data_7010267
_publ_section_title
;
 N-Functionalised heterocyclic carbene complexes of silver
;
_journal_issue                   24
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              4499
_journal_paper_doi               10.1039/b007504n
_journal_year                    2000
_chemical_formula_moiety         'C34 H50 Ag1 Br0.65 Cl7.35 N4 O2'
_chemical_formula_sum            'C18 H25 Ag Br0.08 Cl0.92 N3 O'
_chemical_formula_weight         446.34
_chemical_name_common            00skl035
_chemical_name_systematic
;
3-mesityl-1-(N,N-diethylacetamido) imidazol-2-ylidene 
silver bromide
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 125.9000(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   26.5398(2)
_cell_length_b                   10.44890(10)
_cell_length_c                   16.8853(2)
_cell_measurement_reflns_used    20698
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.034
_cell_measurement_theta_min      0.998
_cell_volume                     3793.01(8)
_computing_cell_refinement       'Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'Denzo a. Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean '9.091 pixels/mm'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Enraf Nonius KappaCCD area detector'
_diffrn_measurement_method       '\p and \q scans to fill Ewald sphere'
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0348
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            21107
_diffrn_reflns_theta_full        30.04
_diffrn_reflns_theta_max         30.04
_diffrn_reflns_theta_min         1.89
_diffrn_standards_decay_%        n/a
_diffrn_standards_interval_count n/a
_diffrn_standards_interval_time  n/a
_diffrn_standards_number         n/a
_exptl_absorpt_coefficient_mu    1.373
_exptl_absorpt_correction_T_max  0.9345
_exptl_absorpt_correction_T_min  0.8205
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SORTAV - multi-scan from symmetry-related measurements (R.H. Blessing, 1995-1997
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.563
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1820
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.858
_refine_diff_density_min         -1.421
_refine_diff_density_rms         0.208
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.111
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     218
_refine_ls_number_reflns         5526
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0678
_refine_ls_R_factor_gt           0.0542
_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^)+(0.0912P)^2^+12.1639P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1574
_refine_ls_wR_factor_ref         0.1690
_reflns_number_gt                4535
_reflns_number_total             5526
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b007504n.txt
_cod_data_source_block           9b
_cod_original_cell_volume        3793.01(6)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7010267