Preparation of single enantiomers of chiral at metal bis-cyclometallated iridium complexes
David L. Davies; Kuldip Singh; Shalini Singh; Barbara Villa-Marcos; Chem.Commun. 49 (2013) 6546–; doi:10.1039/c3cc43121e

data_7109501
_publ_section_title
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 Preparation of single enantiomers of chiral at metal bis-cyclometallated
 iridium complexes
;
_journal_name_full               Chem.Commun.
_journal_page_first              6546
_journal_paper_doi               10.1039/c3cc43121e
_journal_volume                  49
_journal_year                    2013
_chemical_formula_moiety         'C37 H30 Ir N3 O'
_chemical_formula_sum            'C37 H30 Ir N3 O'
_chemical_formula_weight         724.84
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.1790(18)
_cell_length_b                   12.986(3)
_cell_length_c                   27.068(6)
_cell_measurement_reflns_used    1011
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.154
_cell_measurement_theta_min      3.481
_cell_volume                     2875.0(11)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      150(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.0382
_diffrn_reflns_av_sigmaI/netI    0.0325
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            23997
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    4.680
_exptl_absorpt_correction_T_max  0.604
_exptl_absorpt_correction_T_min  0.389
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absorption correction based on 16785 reflections(SADABS);Rint 0.1021 before
correction and 0.0480 after.
;
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.675
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1432
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.24
_refine_diff_density_max         1.824
_refine_diff_density_min         -0.520
_refine_diff_density_rms         0.084
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.002(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         6235
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.000
_refine_ls_R_factor_all          0.0288
_refine_ls_R_factor_gt           0.0239
_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^)+(0.0255P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0498
_refine_ls_wR_factor_ref         0.0511
_reflns_number_gt                5590
_reflns_number_total             6235
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc43121e.txt
_cod_data_source_block           08014
_cod_depositor_comments
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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      P2(1)2(1)2(1)
_cod_database_code               7109501