Octahedral and Bicapped-Tetrahedral Silicon Configurations in the Solid State and Their Dynamic Coexistence in Solution
Kalikhman, Inna; Gostevskii, Boris; Botoshansky, Mark; Kaftory, Menahem; Tessier, Claire A.; Panzner, Matthew J.; Youngs, Wiley J.; Kost, Daniel; Organometallics 25 (2006) 1252–1258; doi:10.1021/om0509802

data_4074897
_publ_section_title
;
 Octahedral and Bicapped-Tetrahedral Silicon Configurations in the Solid
 State and Their Dynamic Coexistence in Solution
;
_journal_coden_ASTM              ORGND7
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1252
_journal_page_last               1258
_journal_paper_doi               10.1021/om0509802
_journal_volume                  25
_journal_year                    2006
_chemical_formula_moiety         'C16 H28 N4 O2 Si'
_chemical_formula_sum            'C16 H28 N4 O2 Si'
_chemical_formula_weight         336.51
_chemical_name_common            8
_chemical_name_systematic
;
 Bis[N-(cyclopentylideneimino)acetimidato-N,O]dimethylsilicon(IV) 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.5760(9)
_cell_length_b                   8.0012(5)
_cell_length_c                   16.4807(11)
_cell_measurement_reflns_used    6200
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.24
_cell_measurement_theta_min      2.47
_cell_volume                     1790.2(2)
_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      100(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  0.0328
_diffrn_reflns_av_sigmaI/netI    0.0213
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            14847
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.47
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_T_max  0.9671
_exptl_absorpt_correction_T_min  0.8921
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.249
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             728
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.44
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.386
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.109
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     107
_refine_ls_number_reflns         2204
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.109
_refine_ls_R_factor_all          0.0420
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0474P)^2^+1.0015P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1028
_refine_ls_wR_factor_ref         0.1039
_reflns_number_gt                2109
_reflns_number_total             2204
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om0509802si20051115_102220.cif
_cod_data_source_block           8
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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      'Pbcn '
_cod_database_code               4074897