Expanded ring N-heterocyclic carbene adducts of group 15 element trichlorides: synthesis and reduction studies.
Sidiropoulos, Anastas; Osborne, Brooke; Simonov, Alexandr N.; Dange, Deepak; Bond, Alan M.; Stasch, Andreas; Jones, Cameron; Dalton transactions (Cambridge, England : 2003) 43 (2014) 14858–14864; doi:10.1039/c4dt02074j

data_7032122
_publ_section_title
;
 Expanded ring N-heterocyclic carbene adducts of group 15 element
 trichlorides: synthesis and reduction studies.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14858
_journal_page_last               14864
_journal_paper_doi               10.1039/c4dt02074j
_journal_volume                  43
_journal_year                    2014
_chemical_formula_sum            'C28 H40 Cl3 N2 Sb'
_chemical_formula_weight         632.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 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                 109.300(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.7102(5)
_cell_length_b                   15.3670(5)
_cell_length_c                   11.5589(7)
_cell_measurement_temperature    123(2)
_cell_volume                     1460.21(14)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Oxford Gemini Ultra'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0232
_diffrn_reflns_av_sigmaI/netI    0.0372
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            11963
_diffrn_reflns_theta_full        27.99
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    1.238
_exptl_absorpt_correction_T_max  0.747
_exptl_absorpt_correction_T_min  0.603
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.439
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.531
_refine_diff_density_min         -0.245
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.012(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     315
_refine_ls_number_reflns         6677
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0230
_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^)+(0.0197P)^2^+0.2304P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0488
_refine_ls_wR_factor_ref         0.0501
_reflns_number_gt                6378
_reflns_number_total             6677
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt02074j2.cif
_cod_data_source_block           compound3
_cod_depositor_comments
'Adding full bibliography for 7032119--7032124.cif.'
_cod_original_cell_volume        1460.21(13)
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7032122