The contrasting behaviour of bridged amido-cyclopentadienyl (constrained geometry) group 15 chlorides and cations derived therefrom
Wiacek, Robert J.; Macdonald, Charles L. B.; Jones, Jamie N.; Pietryga, Jeffrey M.; Cowley, Alan H.; Chemical Communications (Cambridge, United Kingdom)  (2003) 430–431; doi:10.1039/b211591c

data_7103966
_publ_section_title
;
 The contrasting behaviour of bridged amido-cyclopentadienyl (constrained
 geometry) group 15 chlorides and cations derived therefrom
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   3
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              430
_journal_page_last               431
_journal_paper_doi               10.1039/b211591c
_journal_year                    2003
_chemical_formula_moiety         'C15 H27 Cl N Sb Si'
_chemical_formula_sum            'C15 H27 Cl N Sb Si'
_chemical_formula_weight         406.67
_chemical_name_common            '(CGC)antimony chloride'
_chemical_name_systematic
;
t-butyl(dimetyl(tetra-methylcyclopentadienyl)silyl)amido antimony chloride
;
_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                90.000(5)
_cell_angle_beta                 95.488(5)
_cell_angle_gamma                90.000(5)
_cell_formula_units_Z            4
_cell_length_a                   8.146(5)
_cell_length_b                   24.618(5)
_cell_length_c                   8.984(5)
_cell_measurement_reflns_used    all
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      30.45
_cell_measurement_theta_min      3.01
_cell_volume                     1793.4(15)
_computing_cell_refinement       Denzo-SMN
_computing_data_collection       'Collect software, Nonius B.V. 1998'
_computing_data_reduction        Scalepack
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.890
_diffrn_measured_fraction_theta_max 0.890
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0672
_diffrn_reflns_av_sigmaI/netI    0.0477
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            19298
_diffrn_reflns_theta_full        30.45
_diffrn_reflns_theta_max         30.45
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.744
_exptl_absorpt_correction_T_max  0.7218
_exptl_absorpt_correction_T_min  0.7218
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             824
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.803
_refine_diff_density_min         -1.265
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4856
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0511
_refine_ls_R_factor_gt           0.0329
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0415P)^2^+0.3861P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0742
_refine_ls_wR_factor_ref         0.0826
_reflns_number_gt                3895
_reflns_number_total             4856
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b211591c.txt
_cod_data_source_block           shelx
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7103966