Formation of exceptionally weak C–C bonds by metal-templated pinacol coupling
Folkertsma, E.; Benthem, S. H.; Witteman, L.; van Slagmaat, C. A. M. R.; Lutz, M.; Klein Gebbink, R. J. M.; Moret, M.-E.; Dalton Trans.  (2017) –; doi:10.1039/C7DT01130J

data_7042815
_publ_section_title
;
 Formation of exceptionally weak C--C bonds by metal-templated pinacol
 coupling
;
_journal_name_full               'Dalton Trans.'
_journal_paper_doi               10.1039/C7DT01130J
_journal_year                    2017
_chemical_formula_moiety
'C70 H60 Cl2 Fe2 N8 O3, C66 H52 Cl2 Fe2 N8 O2, 3(C H2 Cl2)'
_chemical_formula_sum            'C139 H118 Cl10 Fe4 N16 O5'
_chemical_formula_weight         2670.39
_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'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2016-11-24 deposited with the CCDC.
2017-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.152(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   14.2435(3)
_cell_length_b                   17.6941(6)
_cell_length_c                   25.6720(7)
_cell_measurement_reflns_used    136354
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.54
_cell_measurement_theta_min      1.51
_cell_volume                     6300.3(3)
_computing_cell_refinement       Peakref
_computing_data_collection       Apex2
_computing_data_reduction        'Eval15, SADABS-2014/4'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    SIR-2011
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker Kappa ApexII'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0249
_diffrn_reflns_av_unetI/netI     0.0186
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            169375
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.501
_diffrn_reflns_theta_min         1.508
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.727
_exptl_absorpt_correction_T_max  0.9784
_exptl_absorpt_correction_T_min  0.8248
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   SADABS-2014/4
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_description       plate
_exptl_crystal_F_000             2756
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.304
_refine_diff_density_min         -0.847
_refine_diff_density_rms         0.077
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.34(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.016
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1718
_refine_ls_number_reflns         28957
_refine_ls_number_restraints     521
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0639
_refine_ls_R_factor_gt           0.0537
_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^)+(0.0742P)^2^+9.0370P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1372
_refine_ls_wR_factor_ref         0.1468
_reflns_Friedel_coverage         0.937
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     1.000
_reflns_number_gt                25127
_reflns_number_total             28957
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt01130j2.cif
_cod_data_source_block           l0768a
_cod_database_code               7042815
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              8550