Electrocatalytic CO<sub>2</sub> reduction with nickel complexes supported by tunable bipyridyl-N-heterocyclic carbene donors: understanding redox-active macrocycles.
Su, Xiaojun; McCardle, Kaitlin M.; Panetier, Julien A.; Jurss, Jonah W.; Chemical communications (Cambridge, England) 54 (2018) 3351–3354; doi:10.1039/c8cc00266e

data_7121326
_publ_section_title
;
 Electrocatalytic CO<sub>2</sub> reduction with nickel complexes supported
 by tunable bipyridyl-N-heterocyclic carbene donors: understanding
 redox-active macrocycles.
;
_journal_issue                   27
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3351
_journal_page_last               3354
_journal_paper_doi               10.1039/c8cc00266e
_journal_volume                  54
_journal_year                    2018
_chemical_formula_moiety         'C19 H16 Cl2 N6 Ni O8'
_chemical_formula_sum            'C19 H16 Cl2 N6 Ni O8'
_chemical_formula_weight         585.99
_chemical_name_common            3-Ni(ClO4)2
_space_group_IT_number           12
_space_group_name_Hall           '-C 2y'
_space_group_name_H-M_alt        'C 1 2/m 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2y'
_symmetry_space_group_name_H-M   'C 1 2/m 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2017-12-16 deposited with the CCDC.
2018-02-26 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 109.402(11)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.978(9)
_cell_length_b                   12.184(8)
_cell_length_c                   13.374(9)
_cell_measurement_reflns_used    4046
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.29
_cell_measurement_theta_min      2.97
_cell_volume                     2148(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    ORTEP-32
_computing_publication_material  WinGX
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0202
_diffrn_reflns_av_sigmaI/netI    0.0199
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            7489
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.39
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    1.216
_exptl_absorpt_correction_T_max  0.8881
_exptl_absorpt_correction_T_min  0.7117
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.812
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             1192
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: acetonitrile, diethyl ether'
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.701
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     175
_refine_ls_number_reflns         2050
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0479
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0865P)^2^+3.0007P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1298
_refine_ls_wR_factor_ref         0.1398
_reflns_number_gt                1731
_reflns_number_total             2050
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8cc00266e2.cif
_cod_data_source_block           shelxl_CCDC1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7121325--7121327.cif.
;
_cod_original_sg_symbol_H-M      C2/m
_cod_database_code               7121326