Controlling the Reactivity of Bifunctional Ligands: Carboxylate-Bridged Nonheme Diiron(II) Complexes Bearing Free Thiol Groups.
Pal, Nabhendu; Majumdar, Amit; Inorganic chemistry 55 (2016) 3181–3191; doi:10.1021/acs.inorgchem.6b00316

data_4347542
_publ_section_title
;
 Controlling the Reactivity of Bifunctional Ligands: Carboxylate-Bridged
 Nonheme Diiron(II) Complexes Bearing Free Thiol Groups.
;
_journal_issue                   6
_journal_name_full               'Inorganic chemistry'
_journal_page_first              3181
_journal_page_last               3191
_journal_paper_doi               10.1021/acs.inorgchem.6b00316
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C43 H50 N10 O'
_chemical_formula_sum            'C43 H50 N10 O'
_chemical_formula_weight         722.93
_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             2015-09-14
_audit_creation_method
;
Olex2 1.2
(compiled 2014.08.28 svn.r2986 for OlexSys, GUI svn.r4874)
;
_cell_angle_alpha                90
_cell_angle_beta                 96.525(11)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.205(6)
_cell_length_b                   16.268(11)
_cell_length_c                   25.917(18)
_cell_measurement_reflns_used    3118
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      19.75
_cell_measurement_theta_min      2.23
_cell_volume                     3856(5)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_collection       'APEX2 v2014.7-1 (Bruker-Axs,2014)'
_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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0555
_diffrn_reflns_av_unetI/netI     0.0667
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            14512
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.916
_diffrn_reflns_theta_min         1.481
_diffrn_source_type              'fine-focus sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.7453
_exptl_absorpt_correction_T_min  0.6510
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.1168 before and 0.0549 after correction.
The Ratio of minimum to maximum transmission is 0.8735.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.245
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1544
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.387
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     488
_refine_ls_number_reflns         7437
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.339
_refine_ls_R_factor_all          0.1432
_refine_ls_R_factor_gt           0.0704
_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^)+(0.0923P)^2^+0.5924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1777
_refine_ls_wR_factor_ref         0.2143
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3746
_reflns_number_total             7437
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic6b00316_si_002.cif
_cod_data_source_block           HNEtHPTB
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               4347542
_shelxl_version_number           2014-3
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.977
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Restrained distances
 C1-O1A = C2-O1B
 1 with sigma of 0.02
 C21-C22A \\sim C21-C22B
 with sigma of 0.02
 C32-C33A \\sim C32-C33B
 with sigma of 0.02
3. Uiso/Uaniso restraints and constraints
Uanis(N8) = Uanis(C32) = Uanis(C33A) = Uanis(C33B)
Uanis(N5) = Uanis(C21) = Uanis(C22A) = Uanis(C22B)
4. Others
 Sof(H1B)=Sof(O1B)=Sof(H1BA)=1-FVAR(1)
 Sof(H1A)=Sof(O1A)=Sof(H1AA)=FVAR(1)
 Sof(H21C)=Sof(H21D)=Sof(C22B)=Sof(H22D)=Sof(H22E)=Sof(H22F)=Sof(H32C)=
 Sof(H32D)=Sof(C33B)=Sof(H33D)=Sof(H33E)=Sof(H33F)=1-FVAR(2)
 Sof(H21A)=Sof(H21B)=Sof(C22A)=Sof(H22A)=Sof(H22B)=Sof(H22C)=Sof(H32A)=
 Sof(H32B)=Sof(C33A)=Sof(H33A)=Sof(H33B)=Sof(H33C)=FVAR(2)
5.a Ternary CH refined with riding coordinates:
 C1(H1A), C1(H1B)
5.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C11(H11A,H11B), C13(H13A,H13B), C21(H21A,H21B),
 C21(H21C,H21D), C23(H23A,H23B), C24(H24A,H24B), C32(H32A,H32B), C32(H32C,H32D),
  C34(H34A,H34B), C42(H42A,H42B)
5.c Aromatic/amide H refined with riding coordinates:
 C6(H6), C7(H7), C8(H8), C9(H9), C16(H16), C17(H17), C18(H18), C19(H19),
 C27(H27), C28(H28), C29(H29), C30(H30), C37(H37), C38(H38), C39(H39), C40(H40)
5.d Idealised Me refined as rotating group:
 C12(H12A,H12B,H12C), C22A(H22A,H22B,H22C), C22B(H22D,H22E,H22F), C33A(H33A,
 H33B,H33C), C33B(H33D,H33E,H33F), C43(H43A,H43B,H43C)
5.e Idealised tetrahedral OH refined as rotating group:
 O1A(H1AA), O1B(H1BA)
;
_shelx_res_checksum              1283
_shelx_hkl_checksum              3065
_olex2_submission_special_instructions 'No special instructions were received'