Activation of Epoxides by a Cooperative Iron–Thiolate Catalyst: Intermediacy of Ferrous Alkoxides in Catalytic Hydroboration
Song, Heng; Ye, Ke; Geng, Peiyu; Han, Xiao; Liao, Rongzhen; Tung, Chen-Ho; Wang, Wenguang; ACS Catalysis 7 (2017) 7709–; doi:10.1021/acscatal.7b02527

data_4514239
_publ_section_title
;
 Activation of Epoxides by a Cooperative Iron--Thiolate Catalyst:
 Intermediacy of Ferrous Alkoxides in Catalytic Hydroboration
;
_journal_issue                   11
_journal_name_full               'ACS Catalysis'
_journal_page_first              7709
_journal_paper_doi               10.1021/acscatal.7b02527
_journal_volume                  7
_journal_year                    2017
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C20 H25 B O3'
_chemical_formula_sum            'C20 H25 B O3'
_chemical_formula_weight         324.21
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_audit_creation_date             2017-06-01
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.28 svn.r3405 for OlexSys, GUI svn.r5337)
;
_cell_angle_alpha                90
_cell_angle_beta                 101.110(16)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.468(2)
_cell_length_b                   24.149(9)
_cell_length_c                   12.121(4)
_cell_measurement_reflns_used    3693
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.994
_cell_measurement_theta_min      2.404
_cell_volume                     1857.8(11)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      173.15
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'Bruker APEXII'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.710
_diffrn_reflns_av_R_equivalents  0.1340
_diffrn_reflns_av_unetI/netI     0.1270
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.985
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            13268
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.986
_diffrn_reflns_theta_full        25.214
_diffrn_reflns_theta_max         27.444
_diffrn_reflns_theta_min         1.685
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.3495
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1442 before and 0.0753 after correction.
The Ratio of minimum to maximum transmission is 0.4687.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.159
_exptl_crystal_description       block
_exptl_crystal_F_000             696
_refine_diff_density_max         0.421
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.080
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   1(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.958
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     442
_refine_ls_number_reflns         7775
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.958
_refine_ls_R_factor_all          0.1160
_refine_ls_R_factor_gt           0.0839
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1020P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1856
_refine_ls_wR_factor_ref         0.2079
_reflns_Friedel_coverage         0.956
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.988
_reflns_number_gt                4853
_reflns_number_total             7775
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs7b02527_si_002.cif
_cod_data_source_block           3i
_cod_depositor_comments
'Adding full bibliography for 4514233--4514239.cif.'
_cod_database_code               4514239
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0(2)
 1(2)
2. 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
3.a Ternary CH refined with riding coordinates:
 C7(H7), C28(H28)
3.b Secondary CH2 refined with riding coordinates:
 C8(H8A,H8B), C27(H27A,H27B)
3.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C4(H4), C5(H5), C6(H6), C10(H10), C11(H11), C12(H12),
 C13(H13), C14(H14), C22(H22), C23(H23), C24(H24), C25(H25), C26(H26), C30(H30),
  C31(H31), C32(H32), C33(H33), C34(H34)
3.d Idealised Me refined as rotating group:
 C17(H17A,H17B,H17C), C18(H18A,H18B,H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,
 H20C), C35(H35A,H35B,H35C), C36(H36A,H36B,H36C), C38(H38A,H38B,H38C), C39(H39A,
 H39B,H39C)
;
_olex2_submission_special_instructions 'No special instructions were received'