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_7006858
_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            'C28 H10 F18 N2'
_chemical_formula_weight         716.38
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                104.597(2)
_cell_angle_beta                 105.654(2)
_cell_angle_gamma                105.656(2)
_cell_formula_units_Z            2
_cell_length_a                   10.4708(12)
_cell_length_b                   11.8225(14)
_cell_length_c                   12.6383(15)
_cell_measurement_temperature    293(2)
_cell_volume                     1358.6(3)
_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 0.920
_diffrn_measured_fraction_theta_max 0.920
_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  0.0125
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9024
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.79
_exptl_absorpt_coefficient_mu    0.191
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.751
_exptl_crystal_density_meas      hemisphere
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       iregblok
_exptl_crystal_F_000             708
_exptl_crystal_size_max          .50
_exptl_crystal_size_mid          .36
_exptl_crystal_size_min          .35
_refine_diff_density_max         0.418
_refine_diff_density_min         -0.456
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.048
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     453
_refine_ls_number_reflns         6203
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.048
_refine_ls_R_factor_all          0.0647
_refine_ls_R_factor_gt           0.0496
_refine_ls_shift/su_max          0.025
_refine_ls_shift/su_mean         0.007
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0691P)^2^+0.8063P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1313
_refine_ls_wR_factor_ref         0.1459
_reflns_number_gt                4784
_reflns_number_total             6203
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b514797b.txt
_cod_data_source_block           03328
_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               7006858