Nickel Pyridinethiolate Complexes as Catalysts for the Light-Driven Production of Hydrogen from Aqueous Solutions in Noble-Metal-Free Systems
Zhiji Han; Luxi Shen; William W. Brennessel; Patrick L. Holland; Richard Eisenberg; Journal of the American Chemical Society 135 (2013) 14659–14669; doi:10.1021/ja405257s

data_4120871
_publ_section_title
;
 Nickel Pyridinethiolate Complexes as Catalysts for the Light-Driven
 Production of Hydrogen from Aqueous Solutions in Noble-Metal-Free Systems
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              14659
_journal_page_last               14669
_journal_paper_doi               10.1021/ja405257s
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         'C6 H16 N, C18 H21 N6 Ni S3, H2 O'
_chemical_formula_sum            'C24 H39 N7 Ni O S3'
_chemical_formula_weight         596.51
_chemical_name_common            eiszh21
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 115.925(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.7067(16)
_cell_length_b                   8.1827(7)
_cell_length_c                   21.3806(18)
_cell_measurement_reflns_used    4087
_cell_measurement_temperature    100.0(5)
_cell_measurement_theta_max      37.89
_cell_measurement_theta_min      2.42
_cell_volume                     2943.4(4)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2011)'
_computing_data_reduction        'SAINT (Bruker, 2009)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0(5)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker SMART APEX II CCD Platform'
_diffrn_measurement_method       'area detector, \w scans per \f'
_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  0.0610
_diffrn_reflns_av_sigmaI/netI    0.0481
_diffrn_reflns_limit_h_max       32
_diffrn_reflns_limit_h_min       -32
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            88172
_diffrn_reflns_theta_full        37.78
_diffrn_reflns_theta_max         37.78
_diffrn_reflns_theta_min         1.93
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.902
_exptl_absorpt_correction_T_max  0.8995
_exptl_absorpt_correction_T_min  0.7863
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.346
_exptl_crystal_description       block
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.12
_refine_diff_density_max         3.956
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     346
_refine_ls_number_reflns         15760
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0854
_refine_ls_R_factor_gt           0.0559
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0738P)^2^+2.0792P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1415
_refine_ls_wR_factor_ref         0.1569
_reflns_number_gt                10955
_reflns_number_total             15760
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja405257s_si_005.cif
_cod_data_source_block           eiszh21
_cod_database_code               4120871