Synthesis of metallasiloxanes of group 13-15 and their application in catalysis.
Li, Yan; Wang, Jinjin; Wu, Yile; Zhu, Hongping; Samuel, Prinson P.; Roesky, Herbert W.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 13715–13722; doi:10.1039/c3dt51408k

data_7023502
_publ_section_title
;
 Synthesis of metallasiloxanes of group 13-15 and their application in
 catalysis.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13715
_journal_page_last               13722
_journal_paper_doi               10.1039/c3dt51408k
_journal_volume                  42
_journal_year                    2013
_chemical_formula_sum            'C48 H89 Ge2 N3 O6 Si6'
_chemical_formula_weight         1117.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           173
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  'P 6c'
_symmetry_space_group_name_H-M   'P 63'
_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            6
_cell_length_a                   24.8315(3)
_cell_length_b                   24.8315(3)
_cell_length_c                   16.6832(3)
_cell_measurement_reflns_used    20344
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.1544
_cell_measurement_theta_min      2.7820
_cell_volume                     8908.7(2)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_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      173(2)
_diffrn_detector_area_resol_mean 16.1903
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhanced (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0482
_diffrn_reflns_av_unetI/netI     0.0328
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -29
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            61089
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    1.177
_exptl_absorpt_correction_T_max  0.7573
_exptl_absorpt_correction_T_min  0.6632
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.250
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3564
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         2.742
_refine_diff_density_min         -4.661
_refine_diff_density_rms         0.118
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.215
_refine_ls_hydrogen_treatment
'refined in a riding mode to the carrier atom'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     547
_refine_ls_number_reflns         10449
_refine_ls_number_restraints     150
_refine_ls_restrained_S_all      1.208
_refine_ls_R_factor_all          0.0935
_refine_ls_R_factor_gt           0.0705
_refine_ls_shift/su_max          0.034
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0542P)^2^+30.1078P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1702
_refine_ls_wR_factor_ref         0.1816
_reflns_number_gt                8113
_reflns_number_total             10449
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51408k.txt
_cod_data_source_block           compound_3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Hexagonal' changed to 'hexagonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P6(3)
_cod_database_code               7023502