A bis(silylene)pyridine pincer ligand can stabilize mononuclear manganese(0) complexes: facile access to isolable analogues of the elusive d7-Mn(CO)5 radical
Kalra, Shweta; Pividori, Daniel; Fehn, Dominik; Dai, Chenshu; Dong, Shicheng; Yao, Shenglai; Zhu, Jun; Meyer, Karsten; Driess, Matthias; Chemical Science 13 (2022) 8634–8641; doi:10.1039/D2SC03352F

data_1567400
_publ_section_title
;
 A bis(silylene)pyridine pincer ligand can stabilize mononuclear
 manganese(0) complexes: facile access to isolable analogues of the
 elusive d7-Mn(CO)5 radical
;
_journal_issue                   29
_journal_name_full               'Chemical Science'
_journal_page_first              8634
_journal_page_last               8641
_journal_paper_doi               10.1039/D2SC03352F
_journal_volume                  13
_journal_year                    2022
_chemical_absolute_configuration unk
_chemical_formula_sum            'C45 H75 Mn N7 P2 Si2'
_chemical_formula_weight         887.18
_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'
_atom_sites_solution_hydrogens   geom
_audit_block_doi                 10.5517/ccdc.csd.cc2c13p7
_audit_creation_method           'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_audit_update_record
;
2022-05-30 deposited with the CCDC.	2022-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.0220(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.52200(10)
_cell_length_b                   18.7589(2)
_cell_length_c                   13.6576(2)
_cell_measurement_reflns_used    10154
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      73.6540
_cell_measurement_theta_min      3.2320
_cell_volume                     2421.25(5)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Single source at offset/far, Atlas'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0485
_diffrn_reflns_av_unetI/netI     0.0492
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_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            16262
_diffrn_reflns_point_group_measured_fraction_full 0.929
_diffrn_reflns_point_group_measured_fraction_max 0.929
_diffrn_reflns_theta_full        67.496
_diffrn_reflns_theta_max         67.496
_diffrn_reflns_theta_min         3.260
_exptl_absorpt_coefficient_mu    3.602
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.11869
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'dark red'
_exptl_crystal_density_diffrn    1.217
_exptl_crystal_description       block
_exptl_crystal_F_000             954
_exptl_crystal_size_max          0.280
_exptl_crystal_size_mid          0.170
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.158
_refine_diff_density_min         -0.392
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   -0.014(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     533
_refine_ls_number_reflns         8126
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0447
_refine_ls_R_factor_gt           0.0407
_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^)+(0.0666P)^2^+0.2802P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1093
_reflns_Friedel_coverage         0.799
_reflns_Friedel_fraction_full    0.853
_reflns_Friedel_fraction_max     0.853
_reflns_number_gt                7647
_reflns_number_total             8126
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc03352f2.cif
_cod_data_source_block           CU-3621
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               1567400
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.432
_shelx_estimated_absorpt_t_max   0.738
_shelx_res_checksum              71190
_shelx_hkl_checksum              56939