Synthesis and Reactivity of Cationic Iridium Aminocarbenes Derived from Terminal Alkynes and 2-Aminopyridines
Kumaran, Elumalai; How, Kai Tong Sonia; Ganguly, Rakesh; Li, Yongxin; Leong, Weng Kee; Organometallics 32 (2013) 4149–; doi:10.1021/om400326c

data_4080997
_publ_section_title
;
 Synthesis and Reactivity of Cationic Iridium Aminocarbenes Derived from
 Terminal Alkynes and 2-Aminopyridines
;
_journal_issue                   15
_journal_name_full               Organometallics
_journal_page_first              4149
_journal_paper_doi               10.1021/om400326c
_journal_volume                  32
_journal_year                    2013
_chemical_formula_moiety         'C21 H30 Br Cl Ir N2, 2(C H2 Cl2), Cl'
_chemical_formula_sum            'C23 H34 Br Cl6 Ir N2'
_chemical_formula_weight         823.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 96.4990(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.1605(7)
_cell_length_b                   10.9386(3)
_cell_length_c                   15.6735(6)
_cell_measurement_reflns_used    9996
_cell_measurement_temperature    103(2)
_cell_measurement_theta_max      32.42
_cell_measurement_theta_min      2.28
_cell_volume                     2923.20(18)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_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      103(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0374
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            35751
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.28
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.499
_exptl_absorpt_correction_T_max  0.5093
_exptl_absorpt_correction_T_min  0.2459
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.871
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1600
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         4.146
_refine_diff_density_min         -3.269
_refine_diff_density_rms         0.249
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.191
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     306
_refine_ls_number_reflns         5966
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.190
_refine_ls_R_factor_all          0.0600
_refine_ls_R_factor_gt           0.0518
_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^)+(0.0151P)^2^+98.0421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1252
_refine_ls_wR_factor_ref         0.1287
_reflns_number_gt                5279
_reflns_number_total             5966
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400326c_si_001.cif
_cod_data_source_block           lwk52
_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        2923.19(18)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4080997