BiPh3–a convenient synthon for heavy alkaline-earth metal amides.
Gillett-Kunnath, Miriam M; MacLellan, Jonathan G; Forsyth, Craig M; Andrews, Philip C; Deacon, Glen B; Ruhlandt-Senge, Karin; Chemical communications (Cambridge, England)  (2008) 4490–4492; doi:10.1039/b806948d

data_7103359
_publ_section_title
;
 BiPh3--a convenient synthon for heavy alkaline-earth metal amides.
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_journal_issue                   37
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              4490
_journal_page_last               4492
_journal_paper_doi               10.1039/b806948d
_journal_year                    2008
_chemical_formula_sum            'C32 H56 N2 O2 Si2 Sr'
_chemical_formula_weight         644.59
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.321(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.1914(15)
_cell_length_b                   15.3503(19)
_cell_length_c                   19.413(2)
_cell_measurement_reflns_used    7732
_cell_measurement_temperature    95(2)
_cell_measurement_theta_max      26.07
_cell_measurement_theta_min      2.36
_cell_volume                     3632.1(8)
_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      95(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_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  0.0439
_diffrn_reflns_av_sigmaI/netI    0.0396
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            38062
_diffrn_reflns_theta_full        28.37
_diffrn_reflns_theta_max         28.37
_diffrn_reflns_theta_min         1.69
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    1.578
_exptl_absorpt_correction_T_max  0.8842
_exptl_absorpt_correction_T_min  0.7432
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'R. Blessing, Acta Cryst. (1995) A51 33-38.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.179
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1376
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.565
_refine_diff_density_min         -0.281
_refine_diff_density_rms         0.067
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     364
_refine_ls_number_reflns         9062
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0525
_refine_ls_R_factor_gt           0.0367
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.8488P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0827
_refine_ls_wR_factor_ref         0.0888
_reflns_number_gt                7320
_reflns_number_total             9062
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b806948d.txt
_cod_data_source_block           sad
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7103359