Methoxy-FunctionalizedN-Heterocyclic Carbenes
Nelson, David J.; Collado, Alba; Manzini, Simone; Meiries, Sebastien; Slawin, Alexandra M. Z.; Cordes, David B.; Nolan, Steven P.; Organometallics 33 (2014) 2048–; doi:10.1021/om5001919

data_4082997
_publ_section_title
;
 Methoxy-FunctionalizedN-Heterocyclic Carbenes
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2048
_journal_paper_doi               10.1021/om5001919
_journal_volume                  33
_journal_year                    2014
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C79.5 H74 Cl Ir N2 O2'
_chemical_formula_sum            'C79.5 H74 Cl Ir N2 O2'
_chemical_formula_weight         1317.14
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      19
_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
_cell_angle_alpha                90.0000
_cell_angle_beta                 90.0000
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   14.4914(11)
_cell_length_b                   21.2450(16)
_cell_length_c                   21.3270(16)
_cell_measurement_reflns_used    21308
_cell_measurement_temperature    93
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      1.91
_cell_volume                     6565.9(9)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b28'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b28 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b28'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'DIRDIF99-PATTY (Gould, et al., 1999)'
_diffrn_ambient_temperature      93
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku XtaLAB P200'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0410
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            67972
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.360
_diffrn_reflns_theta_min         1.910
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.128
_exptl_absorpt_correction_T_max  0.653
_exptl_absorpt_correction_T_min  0.486
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.332
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2700.00
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         1.23
_refine_diff_density_min         -0.39
_refine_ls_abs_structure_details
;
 Flack x determined using 5069 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.002(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     797
_refine_ls_number_reflns         12033
_refine_ls_number_restraints     37
_refine_ls_R_factor_gt           0.0278
_refine_ls_shift/su_max          0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0570P)^2^+1.3433P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0832
_reflns_number_gt                11577
_reflns_number_total             12033
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om5001919_si_002.cif
_cod_data_source_block           3f
_cod_depositor_comments
'Adding full bibliography for 4082989--4083003.cif.'
_cod_database_code               4082997