Boron diamide derivatives containing N-N and N-P molecular fragments.
Major, Christopher J.; Chen, Shi-Ming; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 53 (2024) 2159–2166; doi:10.1039/d3dt03665k

data_7714861
_publ_section_title
;
 Boron diamide derivatives containing N-N and N-P molecular fragments.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2159
_journal_page_last               2166
_journal_paper_doi               10.1039/d3dt03665k
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C29 H45 B Cl2 N3 P Si'
_chemical_formula_sum            'C29 H45 B Cl2 N3 P Si'
_chemical_formula_weight         576.45
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2023-09-28
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2023-10-26 deposited with the CCDC.	2023-12-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0999(6)
_cell_length_b                   16.8384(11)
_cell_length_c                   19.3420(10)
_cell_measurement_reflns_used    9982
_cell_measurement_temperature    149.99
_cell_measurement_theta_max      23.12
_cell_measurement_theta_min      3.21
_cell_volume                     3289.4(3)
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_diffrn_ambient_temperature      149.99
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1160
_diffrn_reflns_av_unetI/netI     0.0483
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            88259
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         25.000
_diffrn_reflns_theta_min         3.940
_diffrn_source_current           30.0
_diffrn_source_power             1.5
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.304
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.164
_exptl_crystal_description       block
_exptl_crystal_F_000             1232
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.197
_refine_diff_density_rms         0.044
_refine_ls_abs_structure_details
;
 Flack x determined using 1994 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     345
_refine_ls_number_reflns         5762
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0213P)^2^+0.9327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0689
_refine_ls_wR_factor_ref         0.0749
_reflns_Friedel_coverage         0.777
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                4983
_reflns_number_total             5762
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt03665k2.cif
_cod_data_source_block           1_CCDC1
_cod_depositor_comments
'Adding full bibliography for 7714859--7714862.cif.'
_cod_database_code               7714861
_shelx_shelxl_version_number     2018/3
_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 Ternary CH refined with riding coordinates:
 C10(H10), C15(H15), C16(H16), C20(H20)
2.b Aromatic/amide H refined with riding coordinates:
 C5(H5), C9(H9), C12(H12), C17(H17), C19(H19), C23(H23), C27(H27), C29(H29)
2.c Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C22(H22A,H22B,H22C), C24(H24A,H24B,H24C), C25(H25A,H25B,
 H25C), C26(H26A,H26B,H26C), C28(H28A,H28B,H28C), C30(H30A,H30B,H30C), C31(H31A,
 H31B,H31C), C32(H32A,H32B,H32C), C33(H33A,H33B,H33C), C1(H1A,H1B,H1C)
;
_shelx_res_checksum              70858
_olex2_submission_special_instructions 'No special instructions were received'