Bis(phosphino)borates: A New Family of Monoanionic Chelating Phosphine Ligands
J. Christopher Thomas; Jonas C. Peters; Inorganic Chemistry 42 (2003) 5055–5073; doi:10.1021/ic034150x

data_4314038
_publ_section_title
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 Bis(phosphino)borates: A New Family of Monoanionic Chelating Phosphine
 Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              5055
_journal_page_last               5073
_journal_paper_doi               10.1021/ic034150x
_journal_volume                  42
_journal_year                    2003
_chemical_formula_moiety         'C34 H60 B Li O P2'
_chemical_formula_sum            'C34 H60 B Li O P2'
_chemical_formula_weight         564.51
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 105.480(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.295(3)
_cell_length_b                   12.898(2)
_cell_length_c                   17.470(3)
_cell_measurement_temperature    98(2)
_cell_volume                     3538.5(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      98(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0727
_diffrn_reflns_av_sigmaI/netI    0.0542
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            10511
_diffrn_reflns_theta_full        23.29
_diffrn_reflns_theta_max         23.29
_diffrn_reflns_theta_min         2.04
_exptl_absorpt_coefficient_mu    0.146
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.060
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1240
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.286
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.879
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     229
_refine_ls_number_reflns         2544
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.879
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0517
_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^)+(0.0000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.0952
_reflns_number_gt                1780
_reflns_number_total             2544
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034150xsi20030212_062841_2.cif
_cod_data_source_block           jct09
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_original_cell_volume        3538.6(11)
_cod_database_code               4314038