Structural Investigations into the β-Effect of Pentavalent Silicon
Spiniello, Marisa; White, Jonathan M.; Organometallics 27 (2008) 994–; doi:10.1021/om701017q

data_4070794
_publ_section_title
;
 Structural Investigations into the \b-Effect of Pentavalent Silicon
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              994
_journal_paper_doi               10.1021/om701017q
_journal_volume                  27
_journal_year                    2008
_chemical_formula_sum            'C23 H26 N2 O4 Si'
_chemical_formula_weight         422.55
_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                 106.158(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5985(11)
_cell_length_b                   41.416(6)
_cell_length_c                   7.2772(11)
_cell_measurement_reflns_used    6743
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      28.29
_cell_measurement_theta_min      2.79
_cell_volume                     2199.7(6)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      403(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0337
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       49
_diffrn_reflns_limit_k_min       -48
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            21104
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         0.98
_exptl_absorpt_coefficient_mu    0.138
_exptl_crystal_colour            pale
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.316
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.323
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         3866
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.323
_refine_ls_R_factor_all          0.0572
_refine_ls_R_factor_gt           0.0551
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0388P)^2^+1.9725P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1393
_refine_ls_wR_factor_ref         0.1402
_reflns_number_gt                3707
_reflns_number_total             3866
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om701017q-file001.cif
_cod_data_source_block           naphsip
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P21/c  '
_cod_database_code               4070794