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_7042811
_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         'C33 H26 Cl2 N4 O Zn, C H2 Cl2'
_chemical_formula_sum            'C34 H28 Cl4 N4 O Zn'
_chemical_formula_weight         715.77
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2016-11-24 deposited with the CCDC.
2017-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 115.255(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.3128(8)
_cell_length_b                   17.2091(5)
_cell_length_c                   10.5274(4)
_cell_measurement_reflns_used    17529
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      1.66
_cell_volume                     3164.4(2)
_computing_cell_refinement       Peakref
_computing_data_collection       Apex2
_computing_data_reduction        'Eval15, SADABS-2012/1'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'coordinates from Fe-complex'
_diffrn_ambient_temperature      110(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  0.0176
_diffrn_reflns_av_unetI/netI     0.0122
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            20286
_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         27.450
_diffrn_reflns_theta_min         1.661
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    1.149
_exptl_absorpt_correction_T_max  0.9623
_exptl_absorpt_correction_T_min  0.6692
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details   SADABS-2012/1
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.502
_exptl_crystal_description       needle
_exptl_crystal_F_000             1464
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.354
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     212
_refine_ls_number_reflns         3617
_refine_ls_number_restraints     14
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0242
_refine_ls_R_factor_gt           0.0220
_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^)+(0.0242P)^2^+3.9519P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0551
_refine_ls_wR_factor_ref         0.0561
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3379
_reflns_number_total             3617
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7dt01130j2.cif
_cod_data_source_block           l0691a
_cod_original_cell_volume        3164.41(19)
_cod_database_code               7042811
_shelxl_version_number           2013-3
_shelx_res_checksum              27774