Synthesis of Bis(NHC)-Based CNC-Pincer Rare-Earth-Metal Amido Complexes and Their Application for the Hydrophosphination of Heterocumulenes
Gu, Xiaoxia; Zhang, Lijun; Zhu, Xiancui; Wang, Shaowu; Zhou, Shuangliu; Wei, Yun; Zhang, Guangchao; Mu, Xiaolong; Huang, Zeming; Hong, Dongjing; Zhang, Feng; Organometallics 34 (2015) 4553–; doi:10.1021/acs.organomet.5b00628

data_4086294
_publ_section_title
;
 Synthesis of Bis(NHC)-Based CNC-Pincer Rare-Earth-Metal Amido Complexes
 and Their Application for the Hydrophosphination of Heterocumulenes
;
_journal_issue                   18
_journal_name_full               Organometallics
_journal_page_first              4553
_journal_paper_doi               10.1021/acs.organomet.5b00628
_journal_volume                  34
_journal_year                    2015
_chemical_formula_sum            'C34 H58 Er N7 Si4'
_chemical_formula_weight         844.49
_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                 104.9590(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.8985(11)
_cell_length_b                   29.713(3)
_cell_length_c                   12.2534(11)
_cell_measurement_reflns_used    9910
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.55
_cell_measurement_theta_min      2.20
_cell_volume                     4185.3(7)
_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 0.990
_diffrn_measured_fraction_theta_max 0.990
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0389
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       38
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            35656
_diffrn_reflns_theta_full        27.67
_diffrn_reflns_theta_max         27.67
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    2.151
_exptl_absorpt_correction_T_max  0.7674
_exptl_absorpt_correction_T_min  0.7385
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1740
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.13
_refine_diff_density_max         2.113
_refine_diff_density_min         -1.142
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     431
_refine_ls_number_reflns         9658
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0805
_refine_ls_R_factor_gt           0.0633
_refine_ls_shift/su_max          0.063
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1000P)^2^+19.3653P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1830
_refine_ls_wR_factor_ref         0.1935
_reflns_number_gt                7802
_reflns_number_total             9658
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om5b00628_si_003.cif
_cod_data_source_block           3
_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/current/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 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        4185.2(7)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4086294