Reductive Elimination at Carbon under Steric Control.
Tolentino, Daniel R.; Neale, Samuel E.; Isaac, Connie J.; Macgregor, Stuart A.; Whittlesey, Michael K.; Jazzar, Rodolphe; Bertrand, Guy; Journal of the American Chemical Society 141 (2019) 9823–9826; doi:10.1021/jacs.9b04957

data_4128282
_publ_section_title
;
 Reductive Elimination at Carbon under Steric Control.
;
_journal_issue                   25
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9823
_journal_page_last               9826
_journal_paper_doi               10.1021/jacs.9b04957
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C28 H43 N O2'
_chemical_formula_sum            'C28 H43 N O2'
_chemical_formula_weight         425.63
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-05-07
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 101.346(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.595(5)
_cell_length_b                   18.456(9)
_cell_length_c                   13.848(6)
_cell_measurement_reflns_used    1815
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      65.45
_cell_measurement_theta_min      4.79
_cell_volume                     2404(2)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1272
_diffrn_reflns_av_unetI/netI     0.0549
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            37347
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.343
_diffrn_reflns_theta_min         4.042
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.553
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6341
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0830 before and 0.0640 after correction. The Ratio of minimum to maximum transmission is 0.8420. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.176
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.223
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         4396
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0903
_refine_ls_R_factor_gt           0.0553
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0463P)^2^+1.6018P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1172
_refine_ls_wR_factor_ref         0.1323
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3037
_reflns_number_total             4396
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            5_MenthCAACCO2.cif
_cod_data_source_block           5_menthcaacco2
_cod_original_cell_volume        2404.4(19)
_cod_database_code               4128282
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.769
_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:
 C8(H8), C11(H11), C13(H13), C23(H23), C26(H26)
2.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C9(H9A,H9B), C10(H10A,H10B), C12(H12A,H12B)
2.c Aromatic/amide H refined with riding coordinates:
 C19(H19), C20(H20), C21(H21)
2.d Idealised Me refined as rotating group:
 C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C),
 C16(H16A,H16B,H16C), C24(H24A,H24B,H24C), C25(H25A,H25B,H25C), C27(H27A,H27B,
 H27C), C28(H28A,H28B,H28C)
;
_shelx_res_checksum              18335
_shelx_hkl_checksum              49774
_olex2_submission_special_instructions 'No special instructions were received'