Iridium(iii) complexes with polypyridine ligands coordinated as N-heterocyclic carbenes. Synthesis, structure and photophysical properties.
Conejero, Salvador; Maya, Celia; Paneque, Margarita; Petronilho, Ana; Poveda, Manuel L.; Vattier, Florencia; Alvarez, Eleuterio; Carmona, Ernesto; Laguna, Antonio; Crespo, Olga; Dalton transactions (Cambridge, England : 2003) 41 (2012) 14126–14136; doi:10.1039/c2dt31754k

data_7020514
_publ_section_title
;
 Iridium(iii) complexes with polypyridine ligands coordinated as
 N-heterocyclic carbenes. Synthesis, structure and photophysical
 properties.
;
_journal_issue                   46
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14126
_journal_page_last               14136
_journal_paper_doi               10.1039/c2dt31754k
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C39 H40 B Ir N8'
_chemical_formula_weight         823.80
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 102.0930(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6897(3)
_cell_length_b                   20.2130(6)
_cell_length_c                   20.1292(6)
_cell_measurement_reflns_used    9984
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      0.00
_cell_measurement_theta_min      0.00
_cell_volume                     3457.13(19)
_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      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0320
_diffrn_reflns_av_sigmaI/netI    0.0300
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -30
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            63240
_diffrn_reflns_theta_full        33.10
_diffrn_reflns_theta_max         33.10
_diffrn_reflns_theta_min         1.44
_exptl_absorpt_coefficient_mu    3.903
_exptl_absorpt_correction_T_max  0.495
_exptl_absorpt_correction_T_min  0.358
_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_density_diffrn    1.583
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1648
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.595
_refine_diff_density_min         -1.209
_refine_diff_density_rms         0.102
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     452
_refine_ls_number_reflns         13022
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0383
_refine_ls_R_factor_gt           0.0284
_refine_ls_shift/su_max          0.020
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0225P)^2^+2.0586P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0546
_refine_ls_wR_factor_ref         0.0571
_reflns_number_gt                11032
_reflns_number_total             13022
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31754k.txt
_cod_data_source_block           5a
_cod_depositor_comments
;
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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7020514