Dehydrogenation of amines in aryl-amine functionalized pincer-like nitrogen-donor redox non-innocent ligands via ligand reduction on a Ni(ii) template.
Khatua, Manas; Goswami, Bappaditya; Samanta, Subhas; Dalton transactions (Cambridge, England : 2003) 49 (2020) 6816–6831; doi:10.1039/d0dt00466a

data_7704107
_publ_section_title
;
 Dehydrogenation of amines in aryl-amine functionalized pincer-like
 nitrogen-donor redox non-innocent ligands via ligand reduction on a
 Ni(ii) template.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6816
_journal_page_last               6831
_journal_paper_doi               10.1039/d0dt00466a
_journal_volume                  49
_journal_year                    2020
_chemical_formula_moiety         'C18 H14 I2 N4 Ni'
_chemical_formula_sum            'C18 H14 I2 N4 Ni'
_chemical_formula_weight         598.82
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2019-11-11
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-11-14 deposited with the CCDC.	2020-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 95.1020(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.3761(6)
_cell_length_b                   15.2932(9)
_cell_length_c                   11.9597(7)
_cell_measurement_reflns_used    9900
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      31.48
_cell_measurement_theta_min      2.17
_cell_volume                     1890.29(19)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_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    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      293.15
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0279
_diffrn_reflns_av_unetI/netI     0.0179
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            21887
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.17
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    4.301
_exptl_absorpt_correction_T_max  0.7464
_exptl_absorpt_correction_T_min  0.5181
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1032 before and 0.0480 after correction.
The Ratio of minimum to maximum transmission is 0.6941.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'metallic reddish red'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   reddish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    2.104
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.4
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.731
_refine_diff_density_min         -0.754
_refine_diff_density_rms         0.105
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.127
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     220
_refine_ls_number_reflns         3321
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.127
_refine_ls_R_factor_all          0.0322
_refine_ls_R_factor_gt           0.0288
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0277P)^2^+6.2905P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0694
_refine_ls_wR_factor_ref         0.0709
_reflns_number_gt                3036
_reflns_number_total             3321
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d0dt00466a2.cif
_cod_data_source_block           10
_cod_depositor_comments
'Adding full bibliography for 7704099--7704110.cif.'
_cod_database_code               7704107
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2. Uiso/Uaniso restraints and constraints
Uanis(N2) = Uanis(N1)
3.a Aromatic/amide H refined with riding coordinates:
 C12(H12), C5(H5), C2(H2), C10(H10), C1(H1), C4(H4), C9(H9), C3(H3), C8(H8),
 C14(H14), C18(H18), C17(H17), C16(H16), C15(H15)
;
_olex2_submission_special_instructions 'No special instructions were received'