Half-sandwich Ni(II) complexes bearing enantiopure bidentate NHC-carboxylate ligands: efficient catalysts for the hydrosilylative reduction of acetophenones.
Sanz-Garrido, Jorge; Martin, Avelino; González-Arellano, Camino; Flores, Juan C.; Dalton transactions (Cambridge, England : 2003) 53 (2024) 1460–1468; doi:10.1039/d3dt03739h

data_7714732
_publ_section_title
;
 Half-sandwich Ni(II) complexes bearing enantiopure bidentate
 NHC-carboxylate ligands: efficient catalysts for the hydrosilylative
 reduction of acetophenones.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1460
_journal_page_last               1468
_journal_paper_doi               10.1039/d3dt03739h
_journal_volume                  53
_journal_year                    2024
_chemical_formula_moiety         'C21 H24 N2 Ni O2 S'
_chemical_formula_sum            'C21 H24 N2 Ni O2 S'
_chemical_formula_weight         427.19
_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'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2023-09-25
_audit_creation_method
;
Olex2 1.5
(compiled 2023.08.24 svn.re1ec1418 for OlexSys, GUI svn.r6817)
;
_audit_update_record
;
2023-10-23 deposited with the CCDC.	2023-12-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.693(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.3923(7)
_cell_length_b                   11.6720(6)
_cell_length_c                   15.6603(7)
_cell_measurement_reflns_used    5682
_cell_measurement_temperature    200.00
_cell_measurement_theta_max      27.483
_cell_measurement_theta_min      2.807
_cell_volume                     2082.21(19)
_computing_cell_refinement       'SAINT V8.40B (Bruker, 2019)'
_computing_data_collection       'Apex3 v2019.11-0 (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40B (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement
;
SHELXL-2018/3 (Sheldrick, 2015, 2018), 
;
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      200.00
_diffrn_detector_area_resol_mean 7.4074
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture UAH'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_collimation    'focusing mirrors'
_diffrn_radiation_monochromator  'multilayer mirror optics'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0763
_diffrn_reflns_av_unetI/netI     0.0601
_diffrn_reflns_Laue_measured_fraction_full 0.984
_diffrn_reflns_Laue_measured_fraction_max 0.966
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            17587
_diffrn_reflns_point_group_measured_fraction_full 0.984
_diffrn_reflns_point_group_measured_fraction_max 0.966
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.505
_diffrn_reflns_theta_min         3.726
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_type              'INCOATEC I\ms 3.0'
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    1.049
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4785
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016) was used for absorption correction.
wR2(int) was 0.1202 before and 0.0804 after correction.
The Ratio of minimum to maximum transmission is 0.6418.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.616
_refine_diff_density_min         -0.473
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         4624
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0710
_refine_ls_R_factor_gt           0.0484
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0388P)^2^+1.6684P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1037
_refine_ls_wR_factor_ref         0.1133
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3565
_reflns_number_total             4624
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt03739h2.cif
_cod_data_source_block           pgscysni_2_0m_a
_cod_depositor_comments
'Adding full bibliography for 7714726--7714736.cif.'
_cod_database_code               7714732
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.893
_shelx_estimated_absorpt_t_min   0.818
_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:
 C4(H4)
2.b Secondary CH2 refined with riding coordinates:
 C6(H6A,H6B)
2.c Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C10(H10), C12(H12), C21(H21), C22(H22), C23(H23), C24(H24),
 C25(H25)
2.d Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C16(H16A,H16B,H16C)
;
_shelx_res_checksum              60447
_shelx_hkl_checksum              49520
_olex2_submission_special_instructions 'No special instructions were received'