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_4128280
_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         'C32 H42 N2'
_chemical_formula_sum            'C32 H42 N2'
_chemical_formula_weight         454.67
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-04-12
_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                 97.5350(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.9751(3)
_cell_length_b                   15.1881(3)
_cell_length_c                   9.8720(2)
_cell_measurement_reflns_used    9108
_cell_measurement_temperature    100.0
_cell_measurement_theta_max      68.26
_cell_measurement_theta_min      2.48
_cell_volume                     2671.86(9)
_computing_cell_refinement       'SAINT v8.38A (Bruker, 2017)'
_computing_data_collection       'APEX3 v2017.3-0 (Bruker, 2017)'
_computing_data_reduction        'SAINT v8.38A (Bruker, 2017)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100.0
_diffrn_detector                 'Bruker APEX-II CCD'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD Area Detector'
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device       'Fixed Chi Three-Circle Diffractometer'
_diffrn_measurement_device_type  'Bruker D8 APEX II'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'Double Bounce Multilayer Mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0278
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            21387
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.298
_diffrn_reflns_theta_min         2.479
_diffrn_source                   'Micro Focus Rotating Anode'
_diffrn_source_type              'Rigaku MicroMax-007HF'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.487
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6837
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.0615 before and 0.0408 after correction. The Ratio of minimum to maximum transmission is 0.9078. The \l/2 correction factor is Not present.'
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.130
_exptl_crystal_description       block
_exptl_crystal_F_000             992
_exptl_crystal_size_max          0.05
_exptl_crystal_size_mid          0.024
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.207
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.089
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     315
_refine_ls_number_reflns         4862
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.089
_refine_ls_R_factor_all          0.0473
_refine_ls_R_factor_gt           0.0430
_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^)+(0.0390P)^2^+1.6012P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1088
_refine_ls_wR_factor_ref         0.1112
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4367
_reflns_number_total             4862
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            1NH_MeCAACPh2NH_a.cif
_cod_data_source_block           1nh_mecaacph2nh_a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_diffrn_radiation_probe' value 'X-ray' changed to 'x-ray' according
to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               4128280
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.990
_shelx_estimated_absorpt_t_min   0.976
_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), C15(H15), C18(H18)
2.b Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B)
2.c Aromatic/amide H refined with riding coordinates:
 C11(H11), C12(H12), C13(H13), C22(H22), C23(H23), C24(H24), C25(H25),
 C26(H26), C28(H28), C29(H29), C30(H30), C31(H31), C32(H32)
2.d Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C), C16(H16A,
 H16B,H16C), C17(H17A,H17B,H17C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C)
;
_shelx_res_checksum              22357
_shelx_hkl_checksum              6027
_olex2_submission_special_instructions 'No special instructions were received'