Synthesis, structural characterization and the first electroluminescent properties of tris- and bis-cycloiridiated complexes of sterically hindered electron-poor 2-(3,5-bis(trifluoromethyl)phenyl)-4-trifluoromethylpyridine.
Ionkin, Alex S.; Marshall, William J.; Roe, D. Christopher; Wang, Ying; Dalton transactions (Cambridge, England : 2003)  (2006) 2468–2478; doi:10.1039/b514797b

data_7006857
_publ_section_title
;
 Synthesis, structural characterization and the first
 electroluminescent properties of tris- and bis-cycloiridiated
 complexes of sterically hindered electron-poor
 2-(3,5-bis(trifluoromethyl)phenyl)-4-trifluoromethylpyridine.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2468
_journal_page_last               2478
_journal_paper_doi               10.1039/b514797b
_journal_year                    2006
_chemical_formula_sum            'C61 H31 F36 Ir N4'
_chemical_formula_weight         1696.10
_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                67.8845(17)
_cell_angle_beta                 72.2741(17)
_cell_angle_gamma                69.862(2)
_cell_formula_units_Z            2
_cell_length_a                   12.9220(13)
_cell_length_b                   15.9360(16)
_cell_length_c                   17.7587(18)
_cell_measurement_temperature    293(2)
_cell_volume                     3115.9(5)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.891
_diffrn_measured_fraction_theta_max 0.891
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0202
_diffrn_reflns_av_sigmaI/netI    0.0465
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            18319
_diffrn_reflns_theta_full        28.30
_diffrn_reflns_theta_max         28.30
_diffrn_reflns_theta_min         1.43
_exptl_absorpt_coefficient_mu    2.295
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            dk.gold
_exptl_crystal_density_diffrn    1.808
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       iregblok
_exptl_crystal_F_000             1652
_exptl_crystal_size_max          .28
_exptl_crystal_size_mid          .20
_exptl_crystal_size_min          .12
_refine_diff_density_max         2.819
_refine_diff_density_min         -0.668
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     921
_refine_ls_number_reflns         13836
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0478
_refine_ls_R_factor_gt           0.0378
_refine_ls_shift/su_max          0.064
_refine_ls_shift/su_mean         0.003
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0580P)^2^+1.8337P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.1010
_reflns_number_gt                11898
_reflns_number_total             13836
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b514797b.txt
_cod_data_source_block           03324
_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 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constrained' was replaced with
the value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7006857