Synthesis of Calcium and Ytterbium Complexes Supported by a Tridentate Imino-Amidinate Ligand and Their Application in the Intermolecular Hydrophosphination of Alkenes and Alkynes
Hu, Hongfan; Cui, Chunming; Organometallics 31 (2012) 1208–; doi:10.1021/om201223j

data_4068208
_publ_section_title
;
 Synthesis of Calcium and Ytterbium Complexes Supported by a Tridentate
 Imino-Amidinate Ligand and Their Application in the Intermolecular
 Hydrophosphination of Alkenes and Alkynes
;
_journal_issue                   3
_journal_name_full               Organometallics
_journal_page_first              1208
_journal_paper_doi               10.1021/om201223j
_journal_volume                  31
_journal_year                    2012
_chemical_formula_moiety         'C48 H70 Ca N4 O Si2'
_chemical_formula_sum            'C48 H70 Ca N4 O Si2'
_chemical_formula_weight         815.34
_space_group_IT_number           148
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_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                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            18
_cell_length_a                   50.829(8)
_cell_length_b                   50.829(8)
_cell_length_c                   11.144(2)
_cell_measurement_reflns_used    22465
_cell_measurement_temperature    113(2)
_cell_measurement_theta_max      28.0
_cell_measurement_theta_min      1.4
_cell_volume                     24934(7)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r2'
_computing_data_collection       'CrystalClear-SM Expert 2.0 r2 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r2'
_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      113(2)
_diffrn_detector_area_resol_mean 14.6
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Rigaku Saturn 724CCD camera'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  Multilayer
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0793
_diffrn_reflns_av_sigmaI/netI    0.0562
_diffrn_reflns_limit_h_max       60
_diffrn_reflns_limit_h_min       -60
_diffrn_reflns_limit_k_max       60
_diffrn_reflns_limit_k_min       -60
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            69723
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.39
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_T_max  0.9668
_exptl_absorpt_correction_T_min  0.9596
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Crystalclear
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    0.977
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             7956
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         1.070
_refine_diff_density_min         -0.604
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.147
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     536
_refine_ls_number_reflns         9754
_refine_ls_number_restraints     81
_refine_ls_restrained_S_all      1.161
_refine_ls_R_factor_all          0.1316
_refine_ls_R_factor_gt           0.1050
_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^)+(0.1146P)^2^+92.7572P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2527
_refine_ls_wR_factor_ref         0.2716
_reflns_number_gt                7958
_reflns_number_total             9754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om201223j_si_002.cif
_cod_data_source_block           sa
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      R-3
_cod_database_code               4068208