Cyclometalations on the Imidazo[1,2-a][1,8]naphthyridine Framework
Daw, Prosenjit; Ghatak, Tapas; Doucet, Henri; Bera, Jitendra K.; Organometallics 32 (2013) 4306–; doi:10.1021/om4004658

data_4081131
_publ_section_title
;
 Cyclometalations on the Imidazo[1,2-a][1,8]naphthyridine Framework
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              4306
_journal_paper_doi               10.1021/om4004658
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C28 H29 Cl3 Ir N3 Sn'
_chemical_formula_sum            'C28 H29 Cl3 Ir N3 Sn'
_chemical_formula_weight         824.78
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 92.872(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   36.268(5)
_cell_length_b                   9.3125(12)
_cell_length_c                   18.140(2)
_cell_measurement_reflns_used    9701
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.27
_cell_measurement_theta_min      2.25
_cell_volume                     6119.0(13)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP
_computing_publication_material  ciftab
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker SMART APEX'
_diffrn_measurement_method       '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  0.0590
_diffrn_reflns_av_sigmaI/netI    0.0559
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -48
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            26196
_diffrn_reflns_theta_full        28.36
_diffrn_reflns_theta_max         28.36
_diffrn_reflns_theta_min         2.76
_exptl_absorpt_coefficient_mu    5.444
_exptl_absorpt_correction_T_max  0.3943
_exptl_absorpt_correction_T_min  0.3431
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.791
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3168
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.21
_platon_squeeze_details
;
;
_refine_diff_density_max         2.602
_refine_diff_density_min         -1.999
_refine_diff_density_rms         0.243
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     332
_refine_ls_number_reflns         7492
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0510
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0553P)^2^+0.0896P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.1019
_reflns_number_gt                6279
_reflns_number_total             7492
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om4004658_si_002.cif
_cod_data_source_block           compound4
_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_cell_volume        6119.1(14)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4081131