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_7112857
_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            'C22 H41 B Li N2 P Si'
_chemical_formula_weight         410.38
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 100.889(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.345(2)
_cell_length_b                   14.114(3)
_cell_length_c                   18.403(4)
_cell_measurement_reflns_used    807
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      15.72
_cell_measurement_theta_min      2.47
_cell_volume                     2638.6(10)
_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, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1957
_diffrn_reflns_av_sigmaI/netI    0.1471
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24522
_diffrn_reflns_theta_full        24.25
_diffrn_reflns_theta_max         24.25
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    0.159
_exptl_absorpt_correction_T_max  0.9859
_exptl_absorpt_correction_T_min  0.9108
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details   'XPREP (Bruker, 2005a)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.033
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.215
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.000
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     286
_refine_ls_number_reflns         4264
_refine_ls_number_restraints     49
_refine_ls_restrained_S_all      1.007
_refine_ls_R_factor_all          0.2018
_refine_ls_R_factor_gt           0.0697
_refine_ls_shift/su_max          0.047
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0492P)^2^+1.0260P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1195
_refine_ls_wR_factor_ref         0.1658
_reflns_number_gt                1749
_reflns_number_total             4264
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0cc01999b.txt
_cod_data_source_block           gbc042
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        2638.7(9)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7112857