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_7109502
_publ_section_title
;
 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 N3 O Ir)2.5(C H4 O)'
_chemical_formula_sum            'C39.5 H40 Ir N3 O3.5'
_chemical_formula_weight         804.95
_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                   9.541(2)
_cell_length_b                   12.508(3)
_cell_length_c                   28.060(7)
_cell_measurement_reflns_used    977
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.550
_cell_measurement_theta_min      3.258
_cell_volume                     3348.6(14)
_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 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0471
_diffrn_reflns_av_sigmaI/netI    0.0431
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            25945
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.45
_exptl_absorpt_coefficient_mu    4.032
_exptl_absorpt_correction_T_max  0.862
_exptl_absorpt_correction_T_min  0.600
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
absorption correction based on 20098 reflections(SADABS);Rint 0.0845 before
correction and 0.0560 after.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.597
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1612
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.13
_refine_diff_density_max         2.377
_refine_diff_density_min         -1.955
_refine_diff_density_rms         0.132
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.026(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.246
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     440
_refine_ls_number_reflns         6587
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.246
_refine_ls_R_factor_all          0.0428
_refine_ls_R_factor_gt           0.0398
_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^)+(0.0396P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0832
_refine_ls_wR_factor_ref         0.0841
_reflns_number_gt                6338
_reflns_number_total             6587
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc43121e.txt
_cod_data_source_block           08016
_cod_depositor_comments
;
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_cell_volume        3348.8(14)
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_original_formula_sum        'C39.50 H40 Ir N3 O3.50'
_cod_database_code               7109502