PNPCB heterocycles via thermal and Lewis acid catalyzed trans-hydroborations.
Fan, Louie; Stephan, Douglas W.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 9229–9234; doi:10.1039/c6dt01659f

data_7702083
_publ_section_title
;
 PNPCB heterocycles via thermal and Lewis acid catalyzed
 trans-hydroborations.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9229
_journal_page_last               9234
_journal_paper_doi               10.1039/c6dt01659f
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C20 H44 B N P2'
_chemical_formula_sum            'C20 H44 B N P2'
_chemical_formula_weight         371.35
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_Int_Tables_number      2
_audit_creation_date             2015-11-08
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-04-25 deposited with the CCDC.
2016-05-06 downloaded from the CCDC.
;
_cell_angle_alpha                85.608(2)
_cell_angle_beta                 88.203(2)
_cell_angle_gamma                65.678(2)
_cell_formula_units_Z            2
_cell_length_a                   8.8873(4)
_cell_length_b                   9.6687(5)
_cell_length_c                   15.5632(8)
_cell_measurement_reflns_used    9992
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.32
_cell_volume                     1215.05(11)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'olex2.refine (Bourhis et al., 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      149.7
_diffrn_measured_fraction_theta_full 0.9920
_diffrn_measured_fraction_theta_max 0.9920
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0297
_diffrn_reflns_av_unetI/netI     0.0296
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            20822
_diffrn_reflns_theta_full        27.5308
_diffrn_reflns_theta_max         27.53
_diffrn_reflns_theta_min         2.32
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.182
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7181
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0444 before and 0.0406 after correction.
The Ratio of minimum to maximum transmission is 0.9631.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.0149
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             412.5196
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.3743
_refine_diff_density_min         -0.3420
_refine_diff_density_rms         0.0519
_refine_ls_d_res_high            0.7688
_refine_ls_d_res_low             8.7890
_refine_ls_goodness_of_fit_ref   1.0354
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_constraints    56
_refine_ls_number_parameters     241
_refine_ls_number_reflns         5573
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.0354
_refine_ls_R_factor_all          0.0424
_refine_ls_R_factor_gt           0.0336
_refine_ls_shift/su_max          0.0000
_refine_ls_shift/su_mean         0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0383P)^2^+0.4413P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0825
_refine_ls_wR_factor_ref         0.0889
_reflns_Friedel_coverage         0.0
_reflns_limit_h_max              11
_reflns_limit_h_min              -11
_reflns_limit_k_max              12
_reflns_limit_k_min              -12
_reflns_limit_l_max              20
_reflns_limit_l_min              0
_reflns_number_gt                4675
_reflns_number_total             5573
_reflns_threshold_expression     I>=2u(I)
_cod_data_source_file            c6dt01659f2.cif
_cod_data_source_block           LF005_0m
_cod_database_code               7702083
_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:
 C2(H2), C8(H8)
2.b Idealised Me refined as rotating group:
 C1(H1a,H1b,H1c), C5(H5a,H5b,H5c), C6(H6a,H6b,H6c), C7(H7a,H7b,H7c), C9(H9a,
 H9b,H9c), C10(H10a,H10b,H10c), C12(H12a,H12b,H12c), C13(H13a,H13b,H13c),
 C14(H14a,H14b,H14c), C16(H16a,H16b,H16c), C17(H17a,H17b,H17c), C18(H18a,H18b,
 H18c), C19(H19a,H19b,H19c)
;
_olex2_submission_special_instructions 'No special instructions were received'