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_7701649
_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         'C26 H33 B P2'
_chemical_formula_sum            'C26 H33 B P2'
_chemical_formula_weight         418.27
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-02-04
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-02-13 deposited with the CCDC.	2019-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.036(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.9465(3)
_cell_length_b                   19.4060(3)
_cell_length_c                   11.5916(3)
_cell_measurement_reflns_used    38996
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      29.63
_cell_measurement_theta_min      2.58
_cell_volume                     2424.70(10)
_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 (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      120.0
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'STOE IPDS 2T'
_diffrn_measurement_method       'rotation method, \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_unetI/netI     0.0166
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            31618
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.284
_diffrn_reflns_theta_min         2.755
_diffrn_source                   'GeniX Mo, 0.05 x 0.05 mm2 microfocus'
_exptl_absorpt_coefficient_mu    0.189
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.146
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.398
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     268
_refine_ls_number_reflns         6525
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0410
_refine_ls_R_factor_gt           0.0334
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0461P)^2^+0.8024P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0851
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5622
_reflns_number_total             6525
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt02195g2.cif
_cod_data_source_block           8
_cod_database_code               7701649
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.940
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C12(H12), C13(H13), C14(H14),
 C15(H15), C16(H16), C22(H22), C23(H23), C24(H24), C25(H25), C26(H26)
2.b Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C9(H9A,H9B,H9C), C10(H10A,H10B,H10C), C18(H18A,H18B,H18C),
 C19(H19A,H19B,H19C), C20(H20A,H20B,H20C)
;
_olex2_submission_special_instructions 'No special instructions were received'