N-heterocyclic carbene stabilized copper- and silver-phenylchalcogenolate ring complexes.
Humenny, Will J.; Mitzinger, Stefan; Khadka, Chhatra B.; Najafabadi, Bahareh Khalili; Vieira, Isabelle; Corrigan, John F.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 4413–4422; doi:10.1039/c2dt11998f

data_7018472
_publ_section_title
;
 N-heterocyclic carbene stabilized copper- and silver-phenylchalcogenolate
 ring complexes.
;
_journal_issue                   15
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4413
_journal_page_last               4422
_journal_paper_doi               10.1039/c2dt11998f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C57 H69 Cu3 N6 Se3'
_chemical_formula_weight         1265.68
_chemical_name_systematic
;
?
;
_space_group_IT_number           161
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'R 3 -2"c'
_symmetry_space_group_name_H-M   'R 3 c :H'
_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                120.00
_cell_formula_units_Z            6
_cell_length_a                   15.5939(5)
_cell_length_b                   15.5939(5)
_cell_length_c                   40.870(2)
_cell_measurement_reflns_used    9899
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      22.38
_cell_measurement_theta_min      2.50
_cell_volume                     8606.9(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_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  0.0756
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       55
_diffrn_reflns_limit_l_min       -55
_diffrn_reflns_number            77705
_diffrn_reflns_theta_full        28.72
_diffrn_reflns_theta_max         28.72
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    3.045
_exptl_absorpt_correction_T_max  0.7775
_exptl_absorpt_correction_T_min  0.6513
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.465
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3852
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.638
_refine_diff_density_min         -0.623
_refine_diff_density_rms         0.082
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.001(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         4952
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0484
_refine_ls_R_factor_gt           0.0319
_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^)+(0.0305P)^2^+9.1448P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0715
_reflns_number_gt                4101
_reflns_number_total             4952
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt11998f.txt
_cod_data_source_block           b10122r3c
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Trigonal' changed to 'trigonal'
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_cell_volume        8606.8(6)
_cod_original_sg_symbol_H-M      R3c
_cod_database_code               7018472