Hydrogen production using cobalt-based molecular catalysts containing a proton relay in the second coordination sphere
Jacobsen, George M.; Yang, Jenny Y.; Twamley, Brendan; Wilson, Aaron D.; Bullock, R. Morris; Rakowski DuBois, M.; DuBois, Daniel L.; Energy & Environmental Science 1 (2008) 167–; doi:10.1039/b805309j

data_1515998
_publ_section_title
;
 Hydrogen production using cobalt-based molecular catalysts containing a
 proton relay in the second coordination sphere
;
_journal_issue                   1
_journal_name_full               'Energy &amp; Environmental Science'
_journal_page_first              167
_journal_paper_doi               10.1039/b805309j
_journal_volume                  1
_journal_year                    2008
_chemical_formula_moiety         'C34 H37 Co N5 P2, 2(B F4)'
_chemical_formula_sum            'C34 H37 B2 Co F8 N5 P2'
_chemical_formula_weight         810.18
_chemical_name_common            '[C34H37CoN5P2]2[BF4]'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 93.1020(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0584(4)
_cell_length_b                   20.1715(7)
_cell_length_c                   17.6050(6)
_cell_measurement_reflns_used    9863
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      29.90
_cell_measurement_theta_min      2.26
_cell_volume                     3566.7(2)
_computing_cell_refinement       'SAINT+ v. 7.23a (Bruker, 2006)'
_computing_data_collection       'SMART v. 5.632 (Bruker, 2006)'
_computing_data_reduction        'SAINT+ v. 7.23a (Bruker, 2006)'
_computing_molecular_graphics    'XP, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_publication_material  'XCIF, SHELXTL, v. 6.14 (Bruker, 2003)'
_computing_structure_refinement  'XL, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_structure_solution    'XS, SHELXTL v. 6.14 (Bruker, 2003)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker/Siemens SMART APEX'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0384
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            52775
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.54
_diffrn_source                   'normal-focus sealed tube'
_diffrn_source_type              'Bruker SMART APEX'
_exptl_absorpt_coefficient_mu    0.647
_exptl_absorpt_correction_T_max  0.9381
_exptl_absorpt_correction_T_min  0.8346
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS-2007/4 (Bruker, 2007)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.509
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1660
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.466
_refine_diff_density_min         -0.266
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.034
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     472
_refine_ls_number_reflns         8183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0345
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0475P)^2^+1.5921P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0838
_refine_ls_wR_factor_ref         0.0899
_reflns_number_gt                6790
_reflns_number_total             8183
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b805309j.txt
_cod_data_source_block           bt1194
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1515998