Chelation and Stereodynamic Equilibria in Neutral Hypercoordinate Organosilicon Complexes of 1-Hydroxy-2-pyridinone
Kraft, Bradley M.; Brennessel, William W.; Organometallics 33 (2014) 158–; doi:10.1021/om400907s

data_4082548
_publ_section_title
;
 Chelation and Stereodynamic Equilibria in Neutral Hypercoordinate
 Organosilicon Complexes of 1-Hydroxy-2-pyridinone
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              158
_journal_paper_doi               10.1021/om400907s
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C23 H19 N O2 Si, C18 H16 O Si, 0.5(C5 H12)'
_chemical_formula_sum            'C43.5 H41 N O3 Si2'
_chemical_formula_weight         681.95
_chemical_name_common            sjfbk10
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                89.128(7)
_cell_angle_beta                 84.821(7)
_cell_angle_gamma                76.804(7)
_cell_formula_units_Z            2
_cell_length_a                   9.389(4)
_cell_length_b                   12.602(6)
_cell_length_c                   15.847(7)
_cell_measurement_reflns_used    4080
_cell_measurement_temperature    100.0(5)
_cell_measurement_theta_max      28.35
_cell_measurement_theta_min      2.46
_cell_volume                     1818.0(14)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2011)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      100.0(5)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD platform'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0861
_diffrn_reflns_av_unetI/netI     0.1219
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.970
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            24214
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.970
_diffrn_reflns_theta_full        28.285
_diffrn_reflns_theta_max         29.702
_diffrn_reflns_theta_min         1.290
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.9890
_exptl_absorpt_correction_T_min  0.9440
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.246
_exptl_crystal_description       needle
_exptl_crystal_F_000             722
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.392
_refine_diff_density_min         -0.477
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.947
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     477
_refine_ls_number_reflns         10009
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      0.949
_refine_ls_R_factor_all          0.1337
_refine_ls_R_factor_gt           0.0544
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0653P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1188
_refine_ls_wR_factor_ref         0.1538
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5121
_reflns_number_total             10009
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om400907s_si_002.cif
_cod_data_source_block           0
_cod_original_cell_volume        1818.1(15)
_cod_database_code               4082548
_shelx_estimated_absorpt_t_min   0.944
_shelx_estimated_absorpt_t_max   0.989
_shelxl_version_number           2013-4
_shelx_res_checksum              24001