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_7701643
_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         'C18 H36 B Br N P'
_chemical_formula_sum            'C18 H36 B Br N P'
_chemical_formula_weight         388.17
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -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                78.374(3)
_cell_angle_beta                 78.775(3)
_cell_angle_gamma                64.478(3)
_cell_formula_units_Z            2
_cell_length_a                   9.3592(3)
_cell_length_b                   10.4885(4)
_cell_length_c                   11.7596(4)
_cell_measurement_reflns_used    24612
_cell_measurement_temperature    120
_cell_measurement_theta_max      29.64
_cell_measurement_theta_min      2.62
_cell_volume                     1012.73(7)
_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
_diffrn_detector_area_resol_mean 6.67
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.995
_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  0.0254
_diffrn_reflns_av_unetI/netI     0.0231
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13517
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.172
_diffrn_reflns_theta_min         2.619
_diffrn_source                   'GeniX Mo, 0.05 x 0.05 mm2 microfocus'
_exptl_absorpt_coefficient_mu    2.12
_exptl_absorpt_correction_T_max  0.6725
_exptl_absorpt_correction_T_min  0.4649
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'STOE X-Red32, absorption correction by Gaussian integration, analogous to P. Coppens, "The Evaluation of Absorption and Extinction in Single-Crystal Structure Analysis", published in F. R. Ahmed (Editor), "Crystallographic Computing", Munksgaard, Copenhagen (1970), 255 - 270'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.273
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.742
_refine_diff_density_min         -0.530
_refine_diff_density_rms         0.071
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     203
_refine_ls_number_reflns         5449
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0308
_refine_ls_R_factor_gt           0.0281
_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^)+(0.0476P)^2^+0.3198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0730
_refine_ls_wR_factor_ref         0.0748
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4651
_reflns_number_total             5449
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9dt02195g2.cif
_cod_data_source_block           5
_cod_original_cell_volume        1012.73(6)
_cod_database_code               7701643
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.833
_shelx_estimated_absorpt_t_min   0.729
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C1(H1), C7(H7), C13(H13), C16(H16)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B), C8(H8A,H8B),
 C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B)
2.c Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C)
;
_olex2_submission_special_instructions 'No special instructions were received'