CO2 reduction with protons and electrons at a boron-based reaction center
Taylor, Jordan W.; McSkimming, Alex; Essex, Laura A.; Harman, W. Hill; Chemical Science  (2019) –; doi:10.1039/C9SC02792K

data_1552247
_publ_section_title
;
 CO2 reduction with protons and electrons at a boron-based reaction center
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/C9SC02792K
_journal_year                    2019
_chemical_formula_sum            'C88 H128.5 Au2 B4 K2 O4 P4'
_chemical_formula_weight         1889.65
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2019-06-06 deposited with the CCDC.    2019-08-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.2727(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   17.3226(5)
_cell_length_b                   14.0750(4)
_cell_length_c                   18.5251(5)
_cell_measurement_reflns_used    9159
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.47
_cell_measurement_theta_min      2.42
_cell_volume                     4289.0(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0375
_diffrn_reflns_av_unetI/netI     0.0220
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            101496
_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         30.508
_diffrn_reflns_theta_min         1.853
_exptl_absorpt_coefficient_mu    3.637
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.463
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'prism frag'
_exptl_crystal_F_000             1929
_exptl_crystal_size_max          0.321
_exptl_crystal_size_mid          0.193
_exptl_crystal_size_min          0.102
_exptl_transmission_factor_max   0.715
_exptl_transmission_factor_min   0.569
_refine_diff_density_max         1.030
_refine_diff_density_min         -0.977
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     521
_refine_ls_number_reflns         13085
_refine_ls_number_restraints     38
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0326
_refine_ls_R_factor_gt           0.0211
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0092P)^2^+4.6165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0398
_refine_ls_wR_factor_ref         0.0429
_reflns_Friedel_coverage         0.000
_reflns_number_gt                10560
_reflns_number_total             13085
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9sc02792k2.cif
_cod_data_source_block           hh190JT93r_0m
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_formula_sum        'C88 H128.50 Au2 B4 K2 O4 P4'
_cod_database_code               1552247
_shelx_estimated_absorpt_t_min   0.388
_shelx_estimated_absorpt_t_max   0.708
_shelxl_version_number           2013-4
_shelx_res_checksum              96973