Synthesis and structural characterization of a binuclear iridium complex with bridging, bidentate N-heterocyclic carbene coordination of 2,2':6',2''-terpyridine.
Paneque, Margarita; Poveda, Manuel L; Vattier, Florencia; Alvarez, Eleuterio; Carmona, Ernesto; Chemical communications (Cambridge, England) 34 (2009) 5561–5563; doi:10.1039/b909837b

data_7104732
_publ_section_title
;
 Synthesis and structural characterization of a binuclear iridium
 complex with bridging, bidentate N-heterocyclic carbene coordination
 of 2,2':6',2''-terpyridine.
;
_journal_issue                   37
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              5561
_journal_page_last               5563
_journal_paper_doi               10.1039/b909837b
_journal_volume                  34
_journal_year                    2009
_chemical_formula_moiety         '2(C36 H43 B Ir N9), C4 H10 O'
_chemical_formula_sum            'C76 H96 B2 Ir2 N18 O'
_chemical_formula_weight         1683.73
_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                100.103(4)
_cell_angle_beta                 102.473(3)
_cell_angle_gamma                95.845(3)
_cell_formula_units_Z            1
_cell_length_a                   10.2938(15)
_cell_length_b                   11.8722(17)
_cell_length_c                   16.064(2)
_cell_measurement_reflns_used    9872
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      23.74
_cell_measurement_theta_min      2.40
_cell_volume                     1867.1(4)
_computing_cell_refinement       'Bruker (2006). APEX 2. Version 2.1.'
_computing_data_collection       'Bruker (2006). APEX 2. Version 2.1.'
_computing_data_reduction        'Bruker (2006). APEX 2. Version 2.1.'
_computing_molecular_graphics    'XP, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_publication_material  'XCIF, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_structure_refinement  'XL, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_structure_solution    'Bruker (2006). APEX 2. Version 2.1.'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type
;
Bruker-Nonius X8kappa APEX II CCD area detector'
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_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  0.0695
_diffrn_reflns_av_sigmaI/netI    0.0503
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            44999
_diffrn_reflns_theta_full        26.77
_diffrn_reflns_theta_max         26.77
_diffrn_reflns_theta_min         1.76
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    3.617
_exptl_absorpt_correction_T_max  0.7038
_exptl_absorpt_correction_T_min  0.5509
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS, Bruker (2006). APEX 2. Version 2.1. Bruker Analytical
X-ray Solutions, Madison, Wisconsin, USA.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.497
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             850
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.10
_refine_diff_density_max         2.631
_refine_diff_density_min         -2.369
_refine_diff_density_rms         0.172
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.115
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     480
_refine_ls_number_reflns         7919
_refine_ls_number_restraints     66
_refine_ls_restrained_S_all      1.111
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0499
_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^)+(0.0632P)^2^+9.5263P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1220
_refine_ls_wR_factor_ref         0.1364
_reflns_number_gt                6146
_reflns_number_total             7919
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b909837b.txt
_cod_data_source_block           2_T
_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_sg_symbol_H-M      P-1
_cod_database_code               7104732