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_4083003
_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         'C70.5 H59 N2 O2.5 Se'
_chemical_formula_sum            'C70.5 H59 N2 O2.5 Se'
_chemical_formula_weight         1053.21
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      33
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 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                   19.5267(11)
_cell_length_b                   14.8249(9)
_cell_length_c                   20.1659(11)
_cell_measurement_reflns_used    15345
_cell_measurement_temperature    173
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      1.71
_cell_volume                     5837.7(6)
_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    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.811
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0400
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            66375
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.354
_diffrn_reflns_theta_min         1.705
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.691
_exptl_absorpt_correction_T_max  0.933
_exptl_absorpt_correction_T_min  0.838
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.198
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2200.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.81
_refine_diff_density_min         -0.37
_refine_ls_abs_structure_details
;
 Flack x determined using 3915 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.009(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.838
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     687
_refine_ls_number_reflns         10659
_refine_ls_number_restraints     1
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.050
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.1300P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1368
_reflns_number_gt                9023
_reflns_number_total             10659
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            om5001919_si_002.cif
_cod_data_source_block           5f
_cod_depositor_comments
'Adding full bibliography for 4082989--4083003.cif.'
_cod_database_code               4083003