N^N <i>vs.</i> N^E (E = S or Se) coordination behavior of imino-phosphanamidinate chalcogenide ligands towards aluminum alkyls: efficient hydroboration catalysis of nitriles, alkynes, and alkenes.
Karmakar, Himadri; Kumar, Ravi; Sharma, Jyoti; Bag, Jayanta; Pal, Kuntal; Panda, Tarun K.; Chandrasekhar, Vadapalli; Dalton transactions (Cambridge, England : 2003)  (2023) –; doi:10.1039/d3dt00038a

data_7712645
_publ_section_title
;
 N^N <i>vs.</i> N^E (E = S or Se) coordination behavior of
 imino-phosphanamidinate chalcogenide ligands towards aluminum alkyls:
 efficient hydroboration catalysis of nitriles, alkynes, and alkenes.
;
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_paper_doi               10.1039/d3dt00038a
_journal_year                    2023
_chemical_formula_moiety         'C29 H43 N4 P Se'
_chemical_formula_sum            'C29 H43 N4 P Se'
_chemical_formula_weight         557.60
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     iterative
_audit_creation_date             2023-02-08
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2023-02-09 deposited with the CCDC.	2023-02-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.560(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.9301(5)
_cell_length_b                   15.0618(6)
_cell_length_c                   14.1789(6)
_cell_measurement_reflns_used    9328
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.3
_cell_measurement_theta_min      3.0530
_cell_volume                     2969.2(2)
_computing_cell_refinement       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.29d (Rigaku OD, 2017)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'olex2.solve 1.3 (Bourhis et al., 2015)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.899
_diffrn_measurement_device_type  'fine-focus sealed X-ray tube'
_diffrn_measurement_method       'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0757
_diffrn_reflns_av_unetI/netI     0.0740
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.899
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            35067
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.899
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.881
_diffrn_reflns_theta_min         2.705
_exptl_absorpt_coefficient_mu    1.342
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.28231
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.247
_exptl_crystal_description       block
_exptl_crystal_F_000             1176
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.456
_refine_diff_density_min         -0.550
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         7018
_refine_ls_number_restraints     39
_refine_ls_restrained_S_all      1.095
_refine_ls_R_factor_all          0.1092
_refine_ls_R_factor_gt           0.0609
_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^)+(0.0213P)^2^+4.0254P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1103
_refine_ls_wR_factor_ref         0.1207
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4665
_reflns_number_total             7018
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt00038a2.cif
_cod_data_source_block           4b
_cod_database_code               7712645
_shelx_shelxl_version_number     2016/6
_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. Restrained distances
 C4-C5 \\sim C4-C5A
 with sigma of 0.02
 C4-C6 \\sim C4-C6A
 with sigma of 0.02
 C4-C7 \\sim C4-C7A
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
Uanis(C6) = Uanis(C6A)
Uanis(C7) = Uanis(C7A) = Uanis(C5)
4. Rigid body (RIGU) restrains
 C4, C5A, C6A, C7A
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 C4, C5, C6, C7
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
5. Others
 Sof(C5A)=Sof(H5AA)=Sof(H5AB)=Sof(H5AC)=Sof(C7A)=Sof(H7AA)=Sof(H7AB)=Sof(H7AC)=
 Sof(C6A)=Sof(H6AA)=Sof(H6AB)=Sof(H6AC)=1-FVAR(1)
 Sof(C5)=Sof(H5A)=Sof(H5B)=Sof(H5C)=Sof(C6)=Sof(H6A)=Sof(H6B)=Sof(H6C)=Sof(C7)=
 Sof(H7A)=Sof(H7B)=Sof(H7C)=FVAR(1)
6.a Ternary CH refined with riding coordinates:
 C24(H24), C27(H27)
6.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C13(H13), C14(H14), C15(H15), C16(H16), C17(H17), C20(H20),
 C21(H21), C22(H22)
6.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C7(H7A,H7B,H7C), C9(H9A,H9B,H9C), C10(H10A,
 H10B,H10C), C11(H11A,H11B,H11C), C25(H25A,H25B,H25C), C26(H26A,H26B,H26C),
 C28(H28A,H28B,H28C), C29(H29A,H29B,H29C), C5A(H5AA,H5AB,H5AC), C7A(H7AA,H7AB,
 H7AC), C6A(H6AA,H6AB,H6AC)
;
_smtbx_masks_void_probe_radius   1.2
_smtbx_masks_void_truncation_radius 1.2
_shelx_res_checksum              8437
_olex2_submission_special_instructions 'No special instructions were received'