CNC-Pincer Rare-Earth Metal Amido Complexes with a Diarylamido Linked Biscarbene Ligand: Synthesis, Characterization, and Catalytic Activity
Gu, Xiaoxia; Zhu, Xiancui; Wei, Yun; Wang, Shaowu; Zhou, Shuangliu; Zhang, Guangchao; Mu, Xiaolong; Organometallics 33 (2014) 2372–; doi:10.1021/om500354s

data_4083105
_publ_section_title
;
 CNC-Pincer Rare-Earth Metal Amido Complexes with a Diarylamido Linked
 Biscarbene Ligand: Synthesis, Characterization, and Catalytic Activity
;
_journal_issue                   9
_journal_name_full               Organometallics
_journal_page_first              2372
_journal_paper_doi               10.1021/om500354s
_journal_volume                  33
_journal_year                    2014
_chemical_formula_sum            'C46 H66 Er N7 Si4'
_chemical_formula_weight         996.68
_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                 110.1740(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.8663(12)
_cell_length_b                   12.5260(7)
_cell_length_c                   20.5250(12)
_cell_measurement_reflns_used    9912
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.57
_cell_measurement_theta_min      2.40
_cell_volume                     5035.5(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and 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  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0464
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            42834
_diffrn_reflns_theta_full        27.60
_diffrn_reflns_theta_max         27.60
_diffrn_reflns_theta_min         1.93
_exptl_absorpt_coefficient_mu    1.799
_exptl_absorpt_correction_T_max  0.6328
_exptl_absorpt_correction_T_min  0.6055
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.315
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2060
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.639
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     537
_refine_ls_number_reflns         11612
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0602
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.033
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0300P)^2^+0.7522P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0736
_reflns_number_gt                8458
_reflns_number_total             11612
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om500354s_si_002.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 4083104--4083112.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4083105