Structural and spectroscopic analysis of a new family of monomeric diphosphinoboranes.
Ordyszewska, Anna; Szynkiewicz, Natalia; Perzanowski, Emil; Chojnacki, Jarosław; Wiśniewska, Aleksandra; Grubba, Rafał; Dalton transactions (Cambridge, England : 2003) 48 (2019) 12482–12495; doi:10.1039/c9dt02195g

data_7701645
_publ_section_title
;
 Structural and spectroscopic analysis of a new family of monomeric
 diphosphinoboranes.
;
_journal_issue                   33
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12482
_journal_page_last               12495
_journal_paper_doi               10.1039/c9dt02195g
_journal_volume                  48
_journal_year                    2019
_chemical_formula_moiety         'C30 H49 B P2'
_chemical_formula_sum            'C30 H49 B P2'
_chemical_formula_weight         482.44
_space_group_IT_number           15
_space_group_name_Hall           '-I 2ya'
_space_group_name_H-M_alt        'I 1 2/a 1'
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-02-13T14:32:23-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2019-02-13 deposited with the CCDC.	2019-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.429(4)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   26.9740(15)
_cell_length_b                   6.4025(3)
_cell_length_c                   33.1460(15)
_cell_measurement_reflns_used    42855
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.5
_cell_measurement_theta_min      2.89
_cell_volume                     5724.2(5)
_computing_cell_refinement       'X-Area Recipe 1.33.0.0 (STOE, 2015)'
_computing_data_collection       'X-Area WinXpose 2.0.22.0 (STOE, 2016)'
_computing_data_reduction
'X-Area Integrate 1.72.0.0 (STOE, 2018) X-Area X-Red32 1.63.4.0 (STOE, 2017)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector                 'image plate (34 cm diameter)'
_diffrn_detector_area_resol_mean 6.67
_diffrn_detector_type            'STOE Imaging Plate'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device       '2-circle diffractometer'
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_monochromator  'parabolic x-ray mirror'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.047
_diffrn_reflns_av_unetI/netI     0.0275
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -45
_diffrn_reflns_number            39521
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.985
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.331
_diffrn_reflns_theta_min         2.895
_diffrn_source                   'GeniX Mo, 0.05 x 0.05 mm2 microfocus'
_exptl_absorpt_coefficient_mu    0.168
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.12
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2112
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.312
_refine_diff_density_min         -0.523
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     323
_refine_ls_number_reflns         7736
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0623
_refine_ls_R_factor_gt           0.0477
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0589P)^2^+5.3075P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1231
_refine_ls_wR_factor_ref         0.1307
_reflns_Friedel_coverage         0
_reflns_number_gt                6147
_reflns_number_total             7736
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt02195g2.cif
_cod_data_source_block           9
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               7701645