Synthesis of a 1-boratabenzene-(2,3,4,5-tetramethylphosphole): towards a planar monophosphole.
Bélanger-Chabot, Guillaume; Rioux, Philippe; Maron, Laurent; Fontaine, Frédéric-Georges; Chemical communications (Cambridge, England) 46 (2010) 6816–6818; doi:10.1039/c0cc01999b

data_7112856
_publ_section_title
;
 Synthesis of a 1-boratabenzene-(2,3,4,5-tetramethylphosphole): towards a
 planar monophosphole.
;
_journal_issue                   36
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              6816
_journal_page_last               6818
_journal_paper_doi               10.1039/c0cc01999b
_journal_volume                  46
_journal_year                    2010
_chemical_formula_sum            'C19 H33 B Li N2 P'
_chemical_formula_weight         338.19
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_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                90.00
_cell_angle_beta                 95.630(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7343(5)
_cell_length_b                   18.1187(9)
_cell_length_c                   13.3941(7)
_cell_measurement_temperature    150(2)
_cell_volume                     2109.45(19)
_computing_cell_refinement       'APEX 2 (Bruker, 2005b)'
_computing_data_collection       'APEX 2 (Bruker, 2005b)'
_computing_data_reduction        'SAINT (Bruker, 2003)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2001)'
_computing_publication_material  'SHELXTL (Bruker, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker Smart APEX II CCD'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0791
_diffrn_reflns_av_sigmaI/netI    0.0531
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            24605
_diffrn_reflns_theta_full        69.37
_diffrn_reflns_theta_max         69.37
_diffrn_reflns_theta_min         4.12
_exptl_absorpt_coefficient_mu    1.138
_exptl_absorpt_correction_T_max  0.8850
_exptl_absorpt_correction_T_min  0.7878
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'XPREP (Bruker, 2005a)'
_exptl_crystal_density_diffrn    1.065
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             736
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.444
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.907
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         3932
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.907
_refine_ls_R_factor_all          0.0958
_refine_ls_R_factor_gt           0.0597
_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^)+(0.1073P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1502
_refine_ls_wR_factor_ref         0.1671
_reflns_number_gt                2327
_reflns_number_total             3932
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc01999b.txt
_cod_data_source_block           frede72
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7112856