Side Arm Twist on Zn-Catalyzed Hydrosilylative Reduction of CO2 to Formate and Methanol Equivalents with High Selectivity and Activity
Feng, Guoqin; Du, Chongyang; Xiang, Li; del Rosal, Iker; Li, Guangyu; Leng, Xuebing; Chen, Eugene Y.-X.; Maron, Laurent; Chen, Yaofeng; ACS Catalysis 8 (2018) 4710–; doi:10.1021/acscatal.8b01033

data_4515600
_publ_section_title
;
 Side Arm Twist on Zn-Catalyzed Hydrosilylative Reduction of CO2 to
 Formate and Methanol Equivalents with High Selectivity and Activity
;
_journal_issue                   5
_journal_name_full               'ACS Catalysis'
_journal_page_first              4710
_journal_paper_doi               10.1021/acscatal.8b01033
_journal_volume                  8
_journal_year                    2018
_chemical_formula_moiety         '2(C30 H42 N2 O2 Zn)'
_chemical_formula_sum            'C60 H84 N4 O4 Zn2'
_chemical_formula_weight         1056.05
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2016-07-01
_audit_creation_method
;
Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_cell_angle_alpha                88.145(2)
_cell_angle_beta                 89.8600(10)
_cell_angle_gamma                65.4960(10)
_cell_formula_units_Z            2
_cell_length_a                   13.4707(11)
_cell_length_b                   14.5272(13)
_cell_length_c                   16.2991(14)
_cell_measurement_reflns_used    7894
_cell_measurement_temperature    130
_cell_measurement_theta_max      27.198
_cell_measurement_theta_min      2.50
_cell_volume                     2900.6(4)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      130
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.982
_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  0.0326
_diffrn_reflns_av_unetI/netI     0.0598
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.982
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            23180
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.982
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.410
_diffrn_reflns_theta_min         1.250
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.874
_exptl_absorpt_correction_T_max  0.7455
_exptl_absorpt_correction_T_min  0.6305
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2008/1 (Bruker,2008) was used for absorption correction.
wR2(int) was 0.0637 before and 0.0412 after correction.
The Ratio of minimum to maximum transmission is 0.8457.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.209
_exptl_crystal_description       block
_exptl_crystal_F_000             1128
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.554
_refine_diff_density_min         -0.725
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     651
_refine_ls_number_reflns         12981
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.0640
_refine_ls_R_factor_gt           0.0385
_refine_ls_shift/su_max          0.017
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+0.0459P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0919
_refine_ls_wR_factor_ref         0.1024
_reflns_Friedel_coverage         0.000
_reflns_number_gt                9461
_reflns_number_total             12981
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            cs8b01033_si_002.cif
_cod_data_source_block           L5ZnO2CH
_cod_database_code               4515600
_shelx_estimated_absorpt_t_max   0.880
_shelx_estimated_absorpt_t_min   0.811
_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:
 C12(H12), C15(H15), C24(H24), C27(H27), C42(H42), C45(H45), C54(H54), C57(H57)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C8(H8), C9(H9), C10(H10), C20(H20), C21(H21), C22(H22), C30(H30),
 C33(H33), C38(H38), C39(H39), C40(H40), C50(H50), C51(H51), C52(H52), C60(H60)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C5(H5A,H5B,H5C), C13(H13A,H13B,H13C), C14(H14A,H14B,H14C),
 C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C25(H25A,H25B,H25C), C26(H26A,H26B,
 H26C), C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C31(H31A,H31B,H31C), C35(H35A,
 H35B,H35C), C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C46(H46A,H46B,H46C),
 C47(H47A,H47B,H47C), C55(H55A,H55B,H55C), C56(H56A,H56B,H56C), C58(H58A,H58B,
 H58C), C59(H59A,H59B,H59C)
;
_shelx_res_checksum              52145
_shelx_hkl_checksum              64413
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'