Synthesis of Cationic N-Heterocyclic Carbene Lanthanide Bromide and the Influence of N-Heterocyclic Carbene and Lanthanide Metals
Yao, Haisheng; Zhang, Jinguo; Zhang, Yong; Sun, Hongmei; Shen, Qi; Organometallics 29 (2010) 5841–; doi:10.1021/om100562q

data_4066657
_publ_section_title
;
 Synthesis of Cationic N-Heterocyclic Carbene Lanthanide Bromide and the
 Influence of N-Heterocyclic Carbene and Lanthanide Metals
;
_journal_issue                   22
_journal_name_full               Organometallics
_journal_page_first              5841
_journal_paper_doi               10.1021/om100562q
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C54 H88 N6 O2 Y, Br, C4 H8 O'
_chemical_formula_sum            'C58 H96 Br N6 O3 Y'
_chemical_formula_weight         1094.23
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 91.525(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.849(3)
_cell_length_b                   24.089(5)
_cell_length_c                   20.174(4)
_cell_measurement_reflns_used    12159
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      3.0
_cell_volume                     6242(2)
_computing_cell_refinement       CrystalClear
_computing_data_collection       CrystalClear
_computing_data_reduction        CrystalStructure
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_detector_area_resol_mean 14.63
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Rigaku Saturn'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0481
_diffrn_reflns_av_sigmaI/netI    0.0855
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            25650
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.10
_exptl_absorpt_coefficient_mu    1.617
_exptl_absorpt_correction_T_max  0.724
_exptl_absorpt_correction_T_min  0.478
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             2336
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.857
_refine_diff_density_min         -0.361
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.141
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     617
_refine_ls_number_reflns         11554
_refine_ls_number_restraints     29
_refine_ls_restrained_S_all      1.157
_refine_ls_R_factor_all          0.1240
_refine_ls_R_factor_gt           0.0898
_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^)+(0.0765P)^2^+6.8748P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1977
_refine_ls_wR_factor_ref         0.2146
_reflns_number_gt                8411
_reflns_number_total             11554
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om100562q_si_001.cif
_cod_data_source_block           complex2
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4066657